Error Page After Sign In

[TerryTian21]

Following the Quickstart tutorial with the java-webapp-sample using Java SDK 1.8 and Tomcat 8.5 I get sent to an error page after signing in with the Microsoft account.

The error from the Tomcat logs gives a non-serializable error:

WARNING [http-nio-8443-exec-38] org.apache.catalina.session.StandardSession.doWriteObject Cannot serialize session attribute [states] for session [1660A8AD750074E08BE7914E95C7EB71]
java.io.NotSerializableException: com.microsoft.azure.msalwebsample.StateData
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
at java.util.HashMap.internalWriteEntries(HashMap.java:1817)
at java.util.HashMap.writeObject(HashMap.java:1364)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1155)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
at org.apache.catalina.session.StandardSession.doWriteObject(StandardSession.java:1756)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:1067)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:317)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:268)
at org.apache.catalina.session.StandardManager.stopInternal(StandardManager.java:384)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5174)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
at org.apache.catalina.manager.ManagerServlet.undeploy(ManagerServlet.java:1513)
at org.apache.catalina.manager.HTMLManagerServlet.undeploy(HTMLManagerServlet.java:657)
at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:212)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:515)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:212)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:190)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
at org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:115)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:598)
at org.apache.catalina.valves.RequestFilterValve.process(RequestFilterValve.java:355)
at org.apache.catalina.valves.RemoteAddrValve.invoke(RemoteAddrValve.java:54)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:682)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:617)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:932)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1695)
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.lang.Thread.run(Thread.java:750)