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https://issues.apache.org/jira/browse/XERCESJ-1687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mukul Gandhi resolved XERCESJ-1687.
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Resolution: Later
After thinking about this issue a lot, I'm resolving it as resolution "Later".
I do recognize, that doing XSD 1.1 validation in multiple threads is a useful
capability. I suspect, that the test case posted with this issue is a tiny
subset that is not being able to run properly while doing multi threaded
validation. It is still not clear, whether nearly all XSD 1.1 multi threaded
validations fail – if that is the case, then solving this issue would be an
urgency.
We're also handicapped by not being committer to Eclipse SE project. If we
were, we can have better control over being in sync to the Eclipse SE project.
We can reopen this issue later, when we could fix it without much constraints.
> 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)
> 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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