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https://issues.apache.org/jira/browse/XERCESJ-1687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16278727#comment-16278727
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Mukul Gandhi commented on XERCESJ-1687:
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Here's my proposal for how to have things moving on this bug:
You submit your patch to the Eclipse XPath 2.0 bug that you've raised [1]. That
patch has to be for the XPath 2.0 branch [2] -- this must be compiled with JDK
1.4 compiler (this has been decided by Xerces project earlier). Necessary unit
tests must be added to the XPath 2.0 test suite at [3] -- this requires JDK 1.5
compiler. WTP Source Editor committer (I can think of only Jesper's name for
this task) needs to checkin the fixes at [2] and [3].
After the above is done, you need to inform us about this. We'll fetch the
latest XPath 2.0 codebase from [2], and also from [3]. We'll produce the new
XPath 2.0 JAR from [2], and checkit in to our SVN branch. I'll personally try
to volunteer for preparing the JAR and checking it in to our SVN.
I hope Jesper may help us for this (you could share the details of this thread,
to your bug report at [1], for Jesper to be aware of the context). I'm also
tied up in other things, so could participate on these issues at my own pace.
https://bugs.eclipse.org/bugs/show_bug.cgi?id=527812 [1]
http://git.eclipse.org/c/sourceediting/webtools.sourceediting.xpath.git/log/?h=R3_2_maintenance
[2]
http://git.eclipse.org/c/sourceediting/webtools.sourceediting.xpath.tests.git/log/?h=R3_2_xpath2_14unittests
[3]
> XSD 1.1 validation with xs:assert is not thread safe
> ----------------------------------------------------
>
> Key: XERCESJ-1687
> URL: https://issues.apache.org/jira/browse/XERCESJ-1687
> Project: Xerces2-J
> Issue Type: Bug
> Components: JAXP (javax.xml.validation)
> Affects Versions: 2.12.0
> Environment: java 8 / java 9
> Reporter: Stephan Trebels
> Priority: Critical
> Attachments: parallel-test.zip
>
>
> The XSD 1.1 validation code uses eclipse webtools xpath to validate
> assertions. The PsychoPath XPath 2.0 engine has a bug in
> ResultSequenceFactory, which invalidates correct execution in all parallel
> invocation of XSD 1.1 validation.
> This issue affects completely unrelated schemas and input XML, as long as
> both use assertions. The effect is a lot of spurious assert violations. The
> issue is visible even if only two threads are used in parallel.
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=527812
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