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Posted to fx-dev@ws.apache.org by "Matt Lovett (JIRA)" <ji...@apache.org> on 2006/11/24 12:06:03 UTC
[jira] Resolved: (SANDESHA2-34) Service invoked multiple times when
using the Inorder and EXACTLY_ONCEQos
[ http://issues.apache.org/jira/browse/SANDESHA2-34?page=all ]
Matt Lovett resolved SANDESHA2-34.
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Resolution: Fixed
> Service invoked multiple times when using the Inorder and EXACTLY_ONCEQos
> -------------------------------------------------------------------------
>
> Key: SANDESHA2-34
> URL: http://issues.apache.org/jira/browse/SANDESHA2-34
> Project: Apache Sandesha2
> Issue Type: Bug
> Reporter: Andrew Gatford
> Priority: Critical
> Attachments: InvokeMultipleTimes.patch, InvokeMultipleTimes.patch
>
>
> There is a timing window inside the SandeshaGlobalInHandler where the duplicate checking is done.
> If 2 messages with the same sequence number arrive at similar times in the SandeshaGlobalInHandler, then it is possible for the duplicate checking to allow both messages to proceed to the ApplicationMessageProcessor.processInMessage.
> The timing window is between the SandeshaGlobalInHandler.dropIfDuplicate method and the ApplicationMessageProcessor.processInHandler which actually sets the message into the SERVER_COMPLETED_MESSAGES property. In this case, any messages doing the dropIfDuplicate check in the SandeshaGlobalInHandler will pass as they are not duplicates until the completed messages is updated. If this happens then the service will be invoked more than once with the same sequence message.
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