My bad, was not implementing serializable on my classes.
On Aug 27, 3:02 pm, Travis J Warren <[email protected]> wrote:
> Pretty new to the app engine and have an issue using
> @SessionAttributes annotation using Spring 3 on app engine. Hope
> someone can help.
>
> All is well on local development (using Eclipse plug-in), when
> deployed on app engine I get the stack trace pasted below.
>
> I have configured <%@ page session="true"%> and the appengine-web.xml
> has <sessions-enabled>true</sessions-enabled>.
>
> Is there a configuration setting I have missed?
>
> Uncaught exception from servlet
> org.springframework.web.HttpSessionRequiredException: Session
> attribute 'person' required - not found in session
> at
> org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapt er
> $ServletHandlerMethodInvoker.raiseSessionRequiredException
> (AnnotationMethodHandlerAdapter.java:607)
> at
> org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolv
> eModelAttribute
> (HandlerMethodInvoker.java:576)
> at
> org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolv
> eHandlerArguments
> (HandlerMethodInvoker.java:264)
> at
> org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invoke
> HandlerMethod
> (HandlerMethodInvoker.java:145)
> at
> org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapt
> er.invokeHandlerMethod
> (AnnotationMethodHandlerAdapter.java:363)
> at
> org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapt
> er.handle
> (AnnotationMethodHandlerAdapter.java:351)
> at org.springframework.web.servlet.DispatcherServlet.doDispatch
> (DispatcherServlet.java:766)
> at org.springframework.web.servlet.DispatcherServlet.doService
> (DispatcherServlet.java:712)
> at org.springframework.web.servlet.FrameworkServlet.processRequest
> (FrameworkServlet.java:636)
> at org.springframework.web.servlet.FrameworkServlet.doPost
> (FrameworkServlet.java:556)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
> 487)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> (ServletHandler.java:1093)
> at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent
> (SiteMeshFilter.java:129)
> at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter
> (SiteMeshFilter.java:77)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> (ServletHandler.java:1084)
> at com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter
> (SaveSessionFilter.java:35)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> (ServletHandler.java:1084)
> at
> com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter
> (TransactionCleanupFilter.java:43)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
> (ServletHandler.java:1084)
> at org.mortbay.jetty.servlet.ServletHandler.handle
> (ServletHandler.java:360)
> at org.mortbay.jetty.security.SecurityHandler.handle
> (SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle
> (SessionHandler.java:181)
> at org.mortbay.jetty.handler.ContextHandler.handle
> (ContextHandler.java:712)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
> 405)
> at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle
> (AppVersionHandlerMap.java:237)
> at org.mortbay.jetty.handler.HandlerWrapper.handle
> (HandlerWrapper.java:139)
> at org.mortbay.jetty.Server.handle(Server.java:313)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
> 506)
> at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete
> (HttpConnection.java:830)
> at com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable
> (RpcRequestParser.java:76)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
> at
> com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceReques t
> (JettyServletEngineAdapter.java:139)
> at com.google.apphosting.runtime.JavaRuntime.handleRequest
> (JavaRuntime.java:235)
> at com.google.apphosting.base.RuntimePb$EvaluationRuntime
> $6.handleBlockingRequest(RuntimePb.java:4823)
> at com.google.apphosting.base.RuntimePb$EvaluationRuntime
> $6.handleBlockingRequest(RuntimePb.java:4821)
> at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest
> (BlockingApplicationHandler.java:24)
> at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:
> 359)
> at com.google.net.rpc.impl.Server$2.run(Server.java:820)
> at com.google.tracing.LocalTraceSpanRunnable.run
> (LocalTraceSpanRunnable.java:56)
> at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan
> (LocalTraceSpanBuilder.java:516)
> at com.google.net.rpc.impl.Server.startRpc(Server.java:775)
> at com.google.net.rpc.impl.Server.processRequest(Server.java:348)
> at com.google.net.rpc.impl.ServerConnection.messageReceived
> (ServerConnection.java:436)
> at com.google.net.rpc.impl.RpcConnection.parseMessages
> (RpcConnection.java:319)
> at com.google.net.rpc.impl.RpcConnection.dataReceived
> (RpcConnection.java:290)
> at com.google.net.async.Connection.handleReadEvent(Connection.java:
> 428)
> at com.google.net.async.EventDispatcher.processNetworkEvents
> (EventDispatcher.java:762)
> at com.google.net.async.EventDispatcher.internalLoop
> (EventDispatcher.java:207)
> at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:
> 101)
> at com.google.net.rpc.RpcService.runUntilServerShutdown
> (RpcService.java:251)
> at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run
> (JavaRuntime.java:374)
> at java.lang.Thread.run(Unknown Source)
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