Hi Yoav,

I am experiencing something similar.

Did you get any resolution on this?

On Wednesday, September 19, 2012 2:11:15 AM UTC-7, Takashi Matsuo (Google) 
wrote:
>
>
> Hi Yoav,
>
> Can you tell us your app-id, and confirm which timezone you're using?
>
>
> On Wed, Sep 19, 2012 at 4:21 PM, Yoav Alhalel <[email protected]<javascript:>
> > wrote:
>
>> Hi, 
>> Some of my request are getting error 500 (log attached)
>> it seems that the error got to do with deserialize an object in the 
>> session.
>> the same request is made successfully hundred of times and the exception 
>> is thrown only in some (unknown) occasions.
>>
>>
>>    1. 
>>    
>>    javax.servlet.ServletException: java.lang.RuntimeException: 
>> java.lang.ClassNotFoundException: 
>> org.brickred.socialauth.SocialAuthManager$$EnhancerByCGLIB$$beb34597
>>      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:447)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:452)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:459)
>>      at com.google.tracing.TraceContext.runInContext(TraceContext.java:701)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:336)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:328)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:456)
>>      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.lang.ClassNotFoundException: 
>> org.brickred.socialauth.SocialAuthManager$$EnhancerByCGLIB$$beb34597
>>      at 
>> com.google.apphosting.runtime.jetty.SessionManager.deserialize(SessionManager.java:404)
>>      at 
>> com.google.apphosting.runtime.jetty.MemcacheSessionStore.getSession(MemcacheSessionStore.java:39)
>>      at 
>> com.google.apphosting.runtime.jetty.SessionManager.loadSession(SessionManager.java:338)
>>      at 
>> com.google.apphosting.runtime.jetty.SessionManager.getSession(SessionManager.java:312)
>>      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)
>>      ... 16 more
>>    Caused by: java.lang.ClassNotFoundException: 
>> org.brickred.socialauth.SocialAuthManager$$EnhancerByCGLIB$$beb34597
>>      at 
>> com.google.appengine.runtime.Request.process-9e95f5733b88a356(Request.java)
>>      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 
>> 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$RequestHandler.headerComplete(HttpConnection.java:923)
>>      at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:452)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:459)
>>      at com.google.tracing.TraceContext.runInContext(TraceContext.java:701)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:336)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:328)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:456)
>>      ... 1 more
>>    
>>    2. W2012-09-18 23:25:40.643 
>>    
>>    Nested in javax.servlet.ServletException: java.lang.RuntimeException: 
>> java.lang.ClassNotFoundException: 
>> org.brickred.socialauth.SocialAuthManager$$EnhancerByCGLIB$$beb34597:
>>    java.lang.RuntimeException: java.lang.ClassNotFoundException: 
>> org.brickred.socialauth.SocialAuthManager$$EnhancerByCGLIB$$beb34597
>>      at 
>> com.google.apphosting.runtime.jetty.SessionManager.deserialize(SessionManager.java:404)
>>      at 
>> com.google.apphosting.runtime.jetty.MemcacheSessionStore.getSession(MemcacheSessionStore.java:39)
>>      at 
>> com.google.apphosting.runtime.jetty.SessionManager.loadSession(SessionManager.java:338)
>>      at 
>> com.google.apphosting.runtime.jetty.SessionManager.getSession(SessionManager.java:312)
>>      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)
>>      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:447)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:452)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:459)
>>      at com.google.tracing.TraceContext.runInContext(TraceContext.java:701)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:336)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:328)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:456)
>>      at 
>> com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
>>      at java.lang.Thread.run(Thread.java:679)
>>    Caused by: java.lang.ClassNotFoundException: 
>> org.brickred.socialauth.SocialAuthManager$$EnhancerByCGLIB$$beb34597
>>      at 
>> com.google.appengine.runtime.Request.process-9e95f5733b88a356(Request.java)
>>      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 
>> 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$RequestHandler.headerComplete(HttpConnection.java:923)
>>      at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:452)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:459)
>>      at com.google.tracing.TraceContext.runInContext(TraceContext.java:701)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:336)
>>      at 
>> com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:328)
>>      at 
>> com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:456)
>>      ... 1 more
>>    
>>    
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>
>
>
> -- 
> Takashi Matsuo | Developers Advocate | [email protected] <javascript:>
>
>  

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