[infinispan-issues] [JBoss JIRA] (ISPN-2553) JBossMarshaller can be used before properly initialized

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740563#comment-12740563 ] 

RH Bugzilla Integration commented on ISPN-2553:
-----------------------------------------------

Radim Vansa <rvansa at redhat.com> made a comment on [bug 880528|https://bugzilla.redhat.com/show_bug.cgi?id=880528]

I will try it, thanks.
                
> JBossMarshaller can be used before properly initialized
> -------------------------------------------------------
>
>                 Key: ISPN-2553
>                 URL: https://issues.jboss.org/browse/ISPN-2553
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Marshalling
>    Affects Versions: 5.2.0.Beta4
>            Reporter: Radim Vansa
>            Assignee: Galder Zamarreño
>             Fix For: 5.2.0.Beta6
>
>
> The {{JBossMarshaller}} can be used before its {{start()}} method is called. I've noticed that with replicated cache without transactions, an OOB thread can start demarshalling {{SingleRpcCommand}} in {{CacheRpcCommandExternalizer}} but when it tries to create a new unmarshaller (through {{AbstractJBossMarshaller.startObjectInput(...)}} and the {{marshallerTL.initialValue()}} the {{baseCfg}} configuration is not fully initialized yet and this results in creating marshallers in {{PerThreadInstanceHolder}} with {{objectTable == null}}. Then, objects are deserialized to {{null}}.
> I have verified this by inserting some log messages into constructors and start method:
> {code}
> 19:49:02,404 INFO  [org.infinispan.marshall.jboss.AbstractJBossMarshaller] (pool-1-thread-1) Creating AbstractJBossMarshaller with org.jboss.marshalling.MarshallingConfiguration at 1d296aa3: classExternalizerFactor
> y=<org.infinispan.marshall.jboss.SerializeWithExtFactory at a18024a> exceptionListener=<null> instanceCount=16 classCount=8 bufferSize=512 version=3
> 19:49:02,409 INFO  [org.infinispan.marshall.jboss.AbstractJBossMarshaller] (pool-1-thread-1) Creating JBossMarshaller org.infinispan.marshall.jboss.JBossMarshaller at 2e3e4d73
> 19:49:02,410 INFO  [org.infinispan.marshall.jboss.AbstractJBossMarshaller] (pool-1-thread-1) Starting JBossMarshaller
> {code}
> and into the thread-local initialization and to {{getUnmarshaller()}} just before {{factory.createUnmarshaller}}:
> {code}
> 19:49:02,410 ERROR [org.infinispan.marshall.jboss.AbstractJBossMarshaller] (OOB-49,rvansa-22965) No object table in org.jboss.marshalling.MarshallingConfiguration at 7c4ed0bc: classExternalizerFactory=<org.infinisp
> an.marshall.jboss.SerializeWithExtFactory at a18024a> exceptionListener=<null> instanceCount=16 classCount=8 bufferSize=512 version=3, base is org.jboss.marshalling.MarshallingConfiguration at 1d296aa3: classExternali
> zerFactory=<org.infinispan.marshall.jboss.SerializeWithExtFactory at a18024a> exceptionListener=<null> instanceCount=16 classCount=8 bufferSize=512 version=3
> 19:49:02,453 ERROR [org.infinispan.marshall.jboss.AbstractJBossMarshaller] (OOB-49,rvansa-22965) Unmarshaller with cfg org.jboss.marshalling.MarshallingConfiguration at 7c4ed0bc: classExternalizerFactory=<org.infin
> ispan.marshall.jboss.SerializeWithExtFactory at a18024a> exceptionListener=<null> instanceCount=16 classCount=8 bufferSize=512 version=3
> {code}
> See that the timestamps for {{start()}} and thread-local initialization are same, and the base configuration ({{baseCfg}}) does not have {{objectTable}} initialized.

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