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.AnnotationMethodHandlerAdapter
$ServletHandlerMethodInvoker.raiseSessionRequiredException
(AnnotationMethodHandlerAdapter.java:607)
at
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveModelAttribute
(HandlerMethodInvoker.java:576)
at
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveHandlerArguments
(HandlerMethodInvoker.java:264)
at
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod
(HandlerMethodInvoker.java:145)
at
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod
(AnnotationMethodHandlerAdapter.java:363)
at
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle
(AnnotationMethodHandlerAdapter.java:351)
at org.springframework.web.servlet.DispatcherServlet.doDispatch
(DispatcherServlet.java:766)
at org.springframework.web.servlet.DispatcherServlet.doService
(DispatcherServlet.java:712)
at org.springframework.web.servlet.FrameworkServlet.processRequest
(FrameworkServlet.java:636)
at org.springframework.web.servlet.FrameworkServlet.doPost
(FrameworkServlet.java:556)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
487)
at org.mortbay.jetty.servlet.ServletHandler$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.serviceRequest
(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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