Stephan Trebels created XERCESJ-1687:
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Summary: 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: XML Schema 1.1 Structures
Affects Versions: 2.12.0
Environment: java 8 / java 9
Reporter: Stephan Trebels
Priority: Critical
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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