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https://issues.apache.org/jira/browse/WSCOMMONS-489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12764351#action_12764351
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Andreas Veithen commented on WSCOMMONS-489:
-------------------------------------------
Anyone using Axiom together with a broken StAX parser implementation may
obviously run into issues. As your case shows, this applies in particular to
early versions of Sun's 1.6 JRE _IF_ the user chooses to exclude the Woodstox
dependency (which is the recommended StAX parser implementation for Axiom).
I was able to reproduce the issue with 1.6.0.5. Once I find a proper way to
distinguish broken versions of SJSXP, I will update the StAX dialect detector
to apply a workaround for the thread safety issue. However, since I only have
access to that particular JRE version at work and not at home, this might take
some time.
> StAXUtils incorrectly assumes that XMLInputFactory and XMLOutputFactory
> instances are thread safe
> -------------------------------------------------------------------------------------------------
>
> Key: WSCOMMONS-489
> URL: https://issues.apache.org/jira/browse/WSCOMMONS-489
> Project: WS-Commons
> Issue Type: Bug
> Components: AXIOM
> Affects Versions: Axiom 1.2.8
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Fix For: Axiom 1.2.9
>
>
> StAXUtil uses a single XMLInputFactory or XMLOutputFactory instance (per
> classloader). This means that it makes the assumption that these instances
> are thread safe. However, there is nothing in the StAX specs that guarantees
> that, and Sun's implementation in JDK 6 is not thread safe, at least with the
> default properties [1] [2].
> [1]
> http://www.java2s.com/Open-Source/Java-Document/6.0-JDK-Modules-com.sun/xml/com/sun/xml/internal/stream/XMLInputFactoryImpl.java.htm
> [2]
> http://www.java2s.com/Open-Source/Java-Document/6.0-JDK-Modules-com.sun/xml/com/sun/xml/internal/stream/XMLOutputFactoryImpl.java.htm
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