Looks like your Student class is not serializable. On Tue, Oct 12, 2010 at 09:35, swin swin <[email protected]> wrote: > Just to add on, my AuthenticateServlet has this error: > > /AuthenticateServlet > java.lang.RuntimeException: java.io.NotSerializableException: > BiddingSystem.model.Student > at > com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java:387) > at > com.google.apphosting.runtime.jetty.SessionManager.createEntityForSession(SessionManager.java:364) > at > com.google.apphosting.runtime.jetty.SessionManager$AppEngineSession.save(SessionManager.java:164) > at > com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:41) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) > at > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > at > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923) > at > com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:251) > at > com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:6784) > at > com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:6782) > at > com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24) > at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:398) > at com.google.net.rpc.impl.Server$2.run(Server.java:852) > at > com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56) > at > com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:576) > at com.google.net.rpc.impl.Server.startRpc(Server.java:807) > at com.google.net.rpc.impl.Server.processRequest(Server.java:369) > at > com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:442) > at > com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:319) > at > com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:290) > at com.google.net.async.Connection.handleReadEvent(Connection.java:474) > at > com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:831) > at > com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:207) > at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:103) > at > com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:251) > at > com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run(JavaRuntime.java:418) > at java.lang.Thread.run(Thread.java:636) > Caused by: java.io.NotSerializableException: BiddingSystem.model.Student > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1173) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343) > at java.util.HashMap.writeObject(HashMap.java:1018) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:616) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:962) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1478) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1409) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1167) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343) > at > com.google.apphosting.runtime.jetty.SessionManager.serialize(SessionManager.java:384) > ... 39 more > > -- > You received this message because you are subscribed to the Google Groups 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-- Guillaume Laforge Groovy Project Manager Head of Groovy Development at SpringSource http://www.springsource.com/g2one -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
