Hi all,

this exception is happening if try access the application at same browser when the session timeout and when a new deploy is done.

Help???

javax.servlet.ServletException: java.lang.RuntimeException: java.io.InvalidObjectException: Could not find a SessionFactory [uuid=bdab03e3-5aab-4a79-ac52-0033fc4f4871,name=null]
at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:268)
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$RequestHandler.headerComplete(HttpConnection.java:923)
at com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:146)
at com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:438)
at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:480)
at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:487)
at com.google.tracing.TraceContext.runInContext(TraceContext.java:774)
at com.google.tracing.TraceContext$DoInTraceContext.runInContext(TraceContext.java:751)
at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:342)
at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:334)
at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:484)
at com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.RuntimeException: java.io.InvalidObjectException: Could not find a SessionFactory [uuid=bdab03e3-5aab-4a79-ac52-0033fc4f4871,name=null]
at com.google.apphosting.runtime.SessionManagerUtil.deserialize(SessionManagerUtil.java:57)
at com.google.apphosting.runtime.jetty.MemcacheSessionStore.getSession(MemcacheSessionStore.java:39)
at com.google.apphosting.runtime.jetty.SessionManager.loadSession(SessionManager.java:327)
at com.google.apphosting.runtime.jetty.SessionManager.getSession(SessionManager.java:301)
at org.mortbay.jetty.servlet.AbstractSessionManager.getHttpSession(AbstractSessionManager.java:237)
at org.mortbay.jetty.servlet.SessionHandler.setRequestedId(SessionHandler.java:246)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:136)
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:266)
... 17 more
Caused by: java.io.InvalidObjectException: Could not find a SessionFactory [uuid=bdab03e3-5aab-4a79-ac52-0033fc4f4871,name=null]
at org.hibernate.internal.SessionFactoryImpl.locateSessionFactoryOnDeserialization(SessionFactoryImpl.java:1765)
at org.hibernate.internal.SessionFactoryImpl.readResolve(SessionFactoryImpl.java:1745)
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.invokeReadResolve(ObjectStreamClass.java:1078)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1827)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:524)
at org.springframework.aop.framework.AdvisedSupport.readObject(AdvisedSupport.java:550)
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.invokeReadObject(ObjectStreamClass.java:991)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:395)
at java.util.HashMap.readObject(HashMap.java:1047)
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.invokeReadObject(ObjectStreamClass.java:991)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2011)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1935)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1818)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1394)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:395)
at com.google.apphosting.runtime.SessionManagerUtil.deserialize(SessionManagerUtil.java:55)
... 26 more