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From "Rich Lucente (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MUSE-270) EMPTY_DOC thread stability issues
Date Wed, 16 Apr 2008 19:37:24 GMT

    [ https://issues.apache.org/jira/browse/MUSE-270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589705#action_12589705
] 

Rich Lucente commented on MUSE-270:
-----------------------------------

Hi Chris,

I tested the patch with my message broker.  Other than the AxisEnvironment.convertToDOM mentioned
previously, I had no problems.  On multiple runs, I pounded my broker with 10,000 messages
and I got all 10,000 back.  The 5-10% message loss I was experiencing due to multi-threading
is gone!  Thank you so much!

> EMPTY_DOC thread stability issues
> ---------------------------------
>
>                 Key: MUSE-270
>                 URL: https://issues.apache.org/jira/browse/MUSE-270
>             Project: Muse
>          Issue Type: Bug
>          Components: Utilities - General, QName, and XML, WS-Addressing and SOAP
>    Affects Versions: 2.0.0 M1, 2.0.0 M2, 2.0.0, 2.1.0, 2.2.0, 2.3.0
>         Environment: Impacts all platforms and configurations
>            Reporter: Rich Lucente
>            Assignee: Dan Jemiolo
>             Fix For: 2.3.0
>
>         Attachments: 270tsPatch2.txt, epr-tests.zip, muse_src.zip, MuseThreadSafety.zip,
WsnErrorsTest.zip
>
>
> This bug is being opened to track the EMPTY_DOC thread stability issue currently being
discussed on the muse-dev mailing list.  XmlUtils provides EMPTY_DOC as a scratchpad instance
of a DOM Document for creation of elements.  This has been shown to cause exceptions in a
multi-threaded environment.  The issue is compounded by the widespread use of EMPTY_DOC in
the code due to its convenience and the reduction in object creation when constructing XML
fragments.

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