CommunicationException with 'not recognized sequence' message in WCF.

Posted by brain_pusher on Stack Overflow See other posts from Stack Overflow or by brain_pusher
Published on 2010-04-16T11:45:35Z Indexed on 2010/04/16 13:13 UTC
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wcf

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c#

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communicationexception

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sequence

Hello, I get a CommunicationException while using WCF service. The message is:

The remote endpoint no longer recognizes this sequence. This is most likely due to an abort on the remote endpoint. The value of wsrm:Identifier is not a known Sequence identifier. The reliable session was faulted.

The exception is thrown in a moment after a contract method was called. Before calling contract method the channel state is Opened. I restore my service client after catching this exception and for some time it works fine. But then this error occures again. It seems like some timeout is exceeded, but I can't understand which one exactly.

I use wsHttpBinding with reliableSession enabled. The InactivityTimeout is set to half an hour and I'm sure it's not exceeded, because exception is thrown earlier.

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