[jboss-jira] [JBoss JIRA] (AS7-5379) CLONE - Stale data received with SYNC on failover

[Brian Stansberry (JIRA)]

    [ https://issues.jboss.org/browse/AS7-5379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12712325#comment-12712325 ] 

Brian Stansberry commented on AS7-5379:
---------------------------------------

How will you know?
                
> CLONE - Stale data received with SYNC on failover
> -------------------------------------------------
>
>                 Key: AS7-5379
>                 URL: https://issues.jboss.org/browse/AS7-5379
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: Clustering
>         Environment: affected 6.0.0 DR CI build
>            Reporter: Radoslav Husar
>            Assignee: Paul Ferraro
>            Priority: Blocker
>              Labels: as713tracking
>             Fix For: 7.1.3.Final (EAP), 7.2.0.Alpha1
>
>
> After verifying fix for JBPAPP-8937 I am instead seeing stale data received when using DIST SYNC replication.
> REPL SYNC: On a failover after the application has been gracefully undeployed, a request can be getting data older by cca 40 seconds:
> {noformat}
> 2012/08/14 15:12:53:327 EDT [WARN ][Runner - 1295] HOST perf17.mw.lab.eng.bos.redhat.com:rootProcess:c - Error sampling data:  <org.jboss.smartfrog.loaddriver.RequestProcessingException: Stale session data received. Expected 46, received 35, Runner: 1295>
>         org.jboss.smartfrog.loaddriver.RequestProcessingException: Stale session data received. Expected 46, received 35, Runner: 1295
> 	at org.jboss.smartfrog.loaddriver.http.AbstractSerialNumberValidatorFactoryImpl$SerialNumberValidator.processRequest(AbstractSerialNumberValidatorFactoryImpl.java:125)
> 	at org.jboss.smartfrog.loaddriver.CompoundRequestProcessorFactoryImpl$CompoundRequestProcessor.processRequest(CompoundRequestProcessorFactoryImpl.java:51)
> 	at org.jboss.smartfrog.loaddriver.Runner.run(Runner.java:87)
> 	at java.lang.Thread.run(Thread.java:662)
> {noformat}
> DIST SYNC: On server crash stale data can be received:
> {noformat}
> 2012/08/04 05:13:49:714 EDT [WARN ][Runner - 8] HOST perf17.mw.lab.eng.bos.redhat.com:rootProcess:c - Error sampling data:  <org.jboss.smartfrog.loaddriver.RequestProcessingException: Stale session data received. Expected 43, received 42, Runner: 8>
>         org.jboss.smartfrog.loaddriver.RequestProcessingException: Stale session data received. Expected 43, received 42, Runner: 8
> 	at org.jboss.smartfrog.loaddriver.http.AbstractSerialNumberValidatorFactoryImpl$SerialNumberValidator.processRequest(AbstractSerialNumberValidatorFactoryImpl.java:125)
> 	at org.jboss.smartfrog.loaddriver.CompoundRequestProcessorFactoryImpl$CompoundRequestProcessor.processRequest(CompoundRequestProcessorFactoryImpl.java:51)
> 	at org.jboss.smartfrog.loaddriver.Runner.run(Runner.java:87)
> 	at java.lang.Thread.run(Thread.java:662)
> {noformat}

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