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2nd Chance Exception System.NullReferenceException: Object reference not set to an instance of an object.

P: n/a
We have recently deployed our application with the addition of
AJAX.net for the last two weeks we have been suffering deadlock issues
with the application pool. We are in a farmed environment and our
application uses impersionation on a domain security account. We are
using a state server all applications are running the latest patched
version of .NET 2.0 with the latest service patch I have put in place
an app domain unhandled exception handler and found the following
stack associatied with our exception.

System.NullReferenceException: Object reference not set to an instance
of an object.
at
System.Web.SessionState.SessionStateModule.PollLoc kedSessionCallback(Object
state)
at System.Threading._TimerCallback.TimerCallback_Cont ext(Object
state)
at System.Threading.ExecutionContext.runTryCode(Objec t userData)
at
System.Runtime.CompilerServices.RuntimeHelpers.Exe cuteCodeWithGuaranteedCleanup(TryCode
code, CleanupCode backoutCode, Object userData)
at System.Threading.ExecutionContext.RunInternal(Exec utionContext
executionContext, ContextCallback callback, Object state)
at System.Threading.ExecutionContext.Run(ExecutionCon text
executionContext, ContextCallback callback, Object state)
at System.Threading._TimerCallback.PerformTimerCallba ck(Object
state)

I have only found reference to this issue in one other location
http://forums.asp.net/t/1132396.aspx I will attempt to un-install the
security patch but that seems like a very poor solution to this
problem.

Jul 31 '07 #1
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P: n/a
Have the same problem here. Did you find a solution?
Aug 9 '07 #2

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