diff --git a/anwendung/src/components/InputForm.jsx b/anwendung/src/components/InputForm.jsx
index a754985..ab3a494 100644
--- a/anwendung/src/components/InputForm.jsx
+++ b/anwendung/src/components/InputForm.jsx
@@ -43,7 +43,13 @@ export default function InputForm(p) {
         let url = "http://localhost:8080/users/all?sessionid=" + sessionid;
 
 
-        await fetch(url).then(response => response.json()).then(user => setUsers(user));
+        try {
+            await fetch(url).then(response => response.json()).then(user => setUsers(user));
+        }
+        catch(e)
+        {
+            router.push("/")
+        }
     }
 
     useEffect(() => {
@@ -213,7 +219,7 @@ export default function InputForm(p) {
                                 }}><input type="checkbox" onChange={(e) => {
                                     onCheckBoxClicked(user, e);
                                 }}/></div></td>
-                                <td style={{}}>{user.firstName + " " + user.lastName}</td>
+                                <td style={{textAlign: "center"}}>{user.firstName + " " + user.lastName}</td>
                                 <select id={"userSelect"} name={"userSelect"} className={"box-shadow selector"}
                                         multiple={false} style={{
                                     maxHeight: 80,
diff --git a/anwendung/src/components/Logout.jsx b/anwendung/src/components/Logout.jsx
new file mode 100644
index 0000000..2fc6257
--- /dev/null
+++ b/anwendung/src/components/Logout.jsx
@@ -0,0 +1,24 @@
+import Button from "@/components/Button";
+import {useRouter} from "next/router";
+
+export default function Logout()
+{
+    const router = useRouter()
+
+    async function logout()
+    {
+        let url = "http://localhost:8080/users/logout?sessionid=" + localStorage.getItem("sessionid");
+        await fetch(url)
+        await router.push("/")
+    }
+
+    return (
+        <div style={{
+            position: "absolute",
+            left: 20,
+            top: 20
+        }}>
+            <Button onClick={() => logout()} text={"Logout"} color={"#77932b"} width={100} height={40}/>
+        </div>
+    )
+}
\ No newline at end of file
diff --git a/anwendung/src/pages/createSemester.js b/anwendung/src/pages/createSemester.js
index 7669497..242c873 100644
--- a/anwendung/src/pages/createSemester.js
+++ b/anwendung/src/pages/createSemester.js
@@ -1,13 +1,27 @@
 import InputForm from "@/components/InputForm";
 import {useRouter} from "next/router";
+import Logout from "@/components/Logout";
+import {useEffect} from "react";
 
 export default function CreateSemester()
 {
     const router = useRouter();
     let {courseName, startDate, endDate} = router.query;
 
+    useEffect(() => {
+        let checkURL = "http://localhost:8080/users/check?sessionid=" + localStorage.getItem("sessionid");
+        try {
+            fetch(checkURL).then(r => console.log(r))
+        }
+        catch(e)
+        {
+            router.push("/")
+        }
+    }, []);
+
     return (
         <div className={"normal-centered"}>
+            <Logout/>
             <InputForm startDate={startDate} endDate={endDate} courseName={courseName}/>
         </div>
     )
diff --git a/anwendung/src/pages/semesteroverview.js b/anwendung/src/pages/semesteroverview.js
index e6bb60d..7b41200 100644
--- a/anwendung/src/pages/semesteroverview.js
+++ b/anwendung/src/pages/semesteroverview.js
@@ -5,6 +5,7 @@ import InputForm from "@/components/InputForm";
 import {useRouter} from "next/router";
 import PopUp from "@/components/PopUp";
 import Background from "@/components/Background";
+import Logout from "@/components/Logout";
 
 export default function SemesterOverview(p)
 {
@@ -12,9 +13,14 @@ export default function SemesterOverview(p)
     {
         let urlTest = "http://localhost:8080/semester/all?sessionid=" + localStorage.getItem("sessionid");
 
-        await fetch(urlTest).then(response => response.json()).then(s => {
-            setEntries(s)
-        })
+        try {
+            await fetch(urlTest).then(response => response.json()).then(s => {
+                setEntries(s)
+            })
+        } catch(e)
+        {
+            router.push("/")
+        }
     }
 
     function onClickSemester(e, m)
@@ -83,8 +89,17 @@ export default function SemesterOverview(p)
 
     useEffect(() => {
         getSemesters();
+        let checkURL = "http://localhost:8080/users/check?sessionid=" + localStorage.getItem("sessionid");
+        try {
+            fetch(checkURL).then(r => console.log(r))
+        }
+        catch(e)
+        {
+            router.push("/")
+        }
     }, [])
 
+
     const [entries, setEntries] = useState([])
     const [modalDisplay, setModalDisplay] = useState("none");
     const [modalHint, setModalHint] = useState("");
@@ -92,6 +107,7 @@ export default function SemesterOverview(p)
 
     return (
         <div className={"semester-overview"}>
+            <Logout/>
             <Background/>
             {
                 entries.map(e => (<SemesterTile text={e.name} onClick={(f) => onClickSemester(e, f)} onButtonDeleteClick={() => {
diff --git a/backend/database.mv.db b/backend/database.mv.db
index 38bcfbd..7ffa9a3 100644
Binary files a/backend/database.mv.db and b/backend/database.mv.db differ
diff --git a/backend/database.trace.db b/backend/database.trace.db
index 49472f9..3043615 100644
--- a/backend/database.trace.db
+++ b/backend/database.trace.db
@@ -128204,3 +128204,1238 @@ No data is available [2000-214]
 2023-05-24 12:34:16 jdbc[3]: exception
 org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
 No data is available [2000-214]
+2023-05-24 15:14:38 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:14:41 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:14:41 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:14:42 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:14:42 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:14:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:14:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:05 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:05 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:18 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:18 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:15:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:05 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:05 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Allgemeiner Fehler: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getTableName(int)"" because ""this.result"" is null"
+General error: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getTableName(int)"" because ""this.result"" is null" [50000-214]
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:554)
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:477)
+	at org.h2.message.DbException.get(DbException.java:212)
+	at org.h2.message.DbException.convert(DbException.java:395)
+	at org.h2.message.DbException.toSQLException(DbException.java:367)
+	at org.h2.message.TraceObject.logAndConvert(TraceObject.java:365)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:339)
+	at com.example.backend.anwprj.DataBaseHandler.resultSetToUser(DataBaseHandler.java:546)
+	at com.example.backend.anwprj.DataBaseHandler.getAllUsers(DataBaseHandler.java:482)
+	at com.example.backend.anwprj.controller.UserController.getAllUsers(UserController.java:163)
+	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:578)
+	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207)
+	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152)
+	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
+	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
+	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081)
+	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974)
+	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
+	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
+	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:1623)
+Caused by: java.lang.NullPointerException: Cannot invoke "org.h2.result.ResultInterface.getTableName(int)" because "this.result" is null
+	at org.h2.jdbc.JdbcResultSet.getColumnIndex(JdbcResultSet.java:3476)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:337)
+	... 51 more
+2023-05-24 15:16:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Das Objekt wurde bereits geschlossen
+The object is already closed [90007-214]
+2023-05-24 15:16:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:15 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:15 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:24 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:24 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:25 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:25 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:25 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:26 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:26 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:27 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:27 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:27 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:57 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:57 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:58 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:58 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:16:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:17:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:17 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:17 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:17 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:37 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:37 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:37 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:39 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:39 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:39 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:39 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:39 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:43 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:43 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:53 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:53 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:19:53 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:26:31 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:27:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:27:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:27:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:27:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:27:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:27:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:09 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:09 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:28:13 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:20 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:20 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:25 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:29:25 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:43:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:43:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:44:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:44:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:44:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:44:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:01 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:03 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:05 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:05 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:45:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:29 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:29 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:32 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:32 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:34 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:34 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:55 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:46:55 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:19 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:19 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:23 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:24 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:24 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:40 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:40 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:47:50 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:40 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:40 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:42 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:42 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:42 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:43 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:44 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:44 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:44 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:44 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:45 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:49 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:48:49 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:09 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:09 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:10 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:12 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:49:14 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:04 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:06 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:07 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:08 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:15 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:15 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:18 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:18 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:19 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:19 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:20 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:20 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:21 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:52 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:52 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:55 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:50:55 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:28 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:29 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:29 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:31 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:31 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:33 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:33 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:38 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:38 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:41 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:41 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:51:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:11 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:18 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:18 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:19 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:19 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:52:22 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:58:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:58:59 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:59:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:59:02 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 15:59:49 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Allgemeiner Fehler: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getRowId()"" because ""this.result"" is null"
+General error: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getRowId()"" because ""this.result"" is null" [50000-214]
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:554)
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:477)
+	at org.h2.message.DbException.get(DbException.java:212)
+	at org.h2.message.DbException.convert(DbException.java:395)
+	at org.h2.message.DbException.toSQLException(DbException.java:367)
+	at org.h2.message.TraceObject.logAndConvert(TraceObject.java:365)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:339)
+	at com.example.backend.anwprj.DataBaseHandler.resultSetToSemester(DataBaseHandler.java:331)
+	at com.example.backend.anwprj.DataBaseHandler.getAllSemesters(DataBaseHandler.java:280)
+	at com.example.backend.anwprj.controller.SemesterController.getSemester(SemesterController.java:98)
+	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:578)
+	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207)
+	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152)
+	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
+	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
+	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081)
+	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974)
+	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
+	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
+	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:1623)
+Caused by: java.lang.NullPointerException: Cannot invoke "org.h2.result.ResultInterface.getRowId()" because "this.result" is null
+	at org.h2.jdbc.JdbcResultSet.isOnValidRow(JdbcResultSet.java:3547)
+	at org.h2.jdbc.JdbcResultSet.checkOnValidRow(JdbcResultSet.java:3551)
+	at org.h2.jdbc.JdbcResultSet.getInternal(JdbcResultSet.java:3570)
+	at org.h2.jdbc.JdbcResultSet.getIntInternal(JdbcResultSet.java:344)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:337)
+	... 51 more
+2023-05-24 15:59:49 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:00:31 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:00:31 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:01:34 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:01:34 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:01:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Allgemeiner Fehler: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getRowId()"" because ""this.result"" is null"
+General error: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getRowId()"" because ""this.result"" is null" [50000-214]
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:554)
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:477)
+	at org.h2.message.DbException.get(DbException.java:212)
+	at org.h2.message.DbException.convert(DbException.java:395)
+	at org.h2.message.DbException.toSQLException(DbException.java:367)
+	at org.h2.message.TraceObject.logAndConvert(TraceObject.java:365)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:339)
+	at com.example.backend.anwprj.DataBaseHandler.resultSetToUser(DataBaseHandler.java:546)
+	at com.example.backend.anwprj.DataBaseHandler.getAllUsers(DataBaseHandler.java:482)
+	at com.example.backend.anwprj.controller.UserController.getAllUsers(UserController.java:177)
+	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:578)
+	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207)
+	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152)
+	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
+	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
+	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081)
+	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974)
+	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
+	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
+	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:1623)
+Caused by: java.lang.NullPointerException: Cannot invoke "org.h2.result.ResultInterface.getRowId()" because "this.result" is null
+	at org.h2.jdbc.JdbcResultSet.isOnValidRow(JdbcResultSet.java:3547)
+	at org.h2.jdbc.JdbcResultSet.checkOnValidRow(JdbcResultSet.java:3551)
+	at org.h2.jdbc.JdbcResultSet.getInternal(JdbcResultSet.java:3570)
+	at org.h2.jdbc.JdbcResultSet.getIntInternal(JdbcResultSet.java:344)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:337)
+	... 51 more
+2023-05-24 16:01:36 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:46 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Allgemeiner Fehler: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getRowId()"" because ""this.result"" is null"
+General error: "java.lang.NullPointerException: Cannot invoke ""org.h2.result.ResultInterface.getRowId()"" because ""this.result"" is null" [50000-214]
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:554)
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:477)
+	at org.h2.message.DbException.get(DbException.java:212)
+	at org.h2.message.DbException.convert(DbException.java:395)
+	at org.h2.message.DbException.toSQLException(DbException.java:367)
+	at org.h2.message.TraceObject.logAndConvert(TraceObject.java:365)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:339)
+	at com.example.backend.anwprj.DataBaseHandler.resultSetToUser(DataBaseHandler.java:546)
+	at com.example.backend.anwprj.DataBaseHandler.getAllUsers(DataBaseHandler.java:482)
+	at com.example.backend.anwprj.controller.UserController.getAllUsers(UserController.java:177)
+	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:578)
+	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207)
+	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152)
+	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884)
+	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
+	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
+	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081)
+	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974)
+	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
+	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
+	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:1623)
+Caused by: java.lang.NullPointerException: Cannot invoke "org.h2.result.ResultInterface.getRowId()" because "this.result" is null
+	at org.h2.jdbc.JdbcResultSet.isOnValidRow(JdbcResultSet.java:3547)
+	at org.h2.jdbc.JdbcResultSet.checkOnValidRow(JdbcResultSet.java:3551)
+	at org.h2.jdbc.JdbcResultSet.getInternal(JdbcResultSet.java:3570)
+	at org.h2.jdbc.JdbcResultSet.getIntInternal(JdbcResultSet.java:344)
+	at org.h2.jdbc.JdbcResultSet.getInt(JdbcResultSet.java:337)
+	... 51 more
+2023-05-24 16:04:47 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:48 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:49 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
+2023-05-24 16:04:49 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLNonTransientException: Keine Daten verfügbar
+No data is available [2000-214]
diff --git a/backend/src/main/java/com/example/backend/anwprj/controller/UserController.java b/backend/src/main/java/com/example/backend/anwprj/controller/UserController.java
index 2c61ad2..04d24e6 100644
--- a/backend/src/main/java/com/example/backend/anwprj/controller/UserController.java
+++ b/backend/src/main/java/com/example/backend/anwprj/controller/UserController.java
@@ -140,6 +140,20 @@ public class UserController {
         return new ResponseEntity<>(HttpStatus.FORBIDDEN);
     }
 
+    @CrossOrigin
+    @GetMapping("/users/check")
+    public ResponseEntity<User> checkLogin(@RequestParam(name="sessionid") String sessionid)
+    {
+        User u = UserSessionIDHandler.getUserBySessionID(sessionid);
+
+        if(u != null)
+        {
+            return new ResponseEntity<>(db.getUser(u.getId()), HttpStatus.OK);
+        }
+
+        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+    }
+
     @CrossOrigin
     @DeleteMapping("/users")
     public ResponseEntity<Boolean> deleteUser(@RequestParam(name = "sessionid") String sessionID, @RequestParam(name = "mail") String mail) {