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https://issues.apache.org/jira/browse/COCOON-2340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Javier Puerto reassigned COCOON-2340:
-------------------------------------
Assignee: Javier Puerto
> XMLByteStreamCompiler in not thread-safe
> ----------------------------------------
>
> Key: COCOON-2340
> URL: https://issues.apache.org/jira/browse/COCOON-2340
> Project: Cocoon
> Issue Type: Bug
> Components: * Cocoon Core
> Affects Versions: 2.2
> Reporter: Ivan Lagunov
> Assignee: Javier Puerto
>
> I'm periodically getting the following exceptions in different places:
> Caused by: java.lang.ArrayIndexOutOfBoundsException
> at java.lang.System.arraycopy(Native Method)
> at
> org.apache.cocoon.components.sax.XMLByteStreamCompiler.getSAXFragment(XMLByteStreamCompiler.java:61)
> at
> org.apache.cocoon.components.pipeline.impl.ExpiresCachingProcessingPipeline.processXMLPipeline(ExpiresCachingProcessingPipeline.java:152)
> After debugging I've found the root cause. It happens due to multi-threading
> when one thread allocates newbuf array, then another thread increments
> bufCount in write method and then the first thread fails on System.arraycopy
> invocation.
> I suggest making getSAXFragment and write methods synchronized. It should
> resolve the issue. If it helps, I'll provide a patch later.
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