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https://issues.apache.org/jira/browse/XERCESJ-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17465739#comment-17465739
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Mukul Gandhi edited comment on XERCESJ-1726 at 12/27/21, 12:40 PM:
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Over the past few days, there were quite few, improvements committed to svn
related to XercesJ xpath 2.0 processor's regex engine. One should fetch and
build the latest codebase from svn, till next XercesJ release is made.
With the latest codebase from svn, when I validate test1.xml with test.xsd with
lines 40 and 195 of the file test1.xml commented, I get no validation errors.
After continued debugging, I've come to conclusion that, XercesJ doesn't have
bug related to this issue, and the problem reported is most likely unique to
the XML document test instance that's provided.
was (Author: mukul_gandhi):
Over the past few days, there were quite few, improvements committed to svn
related to XercesJ xpath 2.0 processor's regex engine. One should fetch and
build the latest codebase from svn, till next XercesJ release is made.
With the latest codebase from svn, when I validate test1.xml with test.xsd with
lines 40 and 195 commented, I get no validation errors.
After continued debugging, I've come to conclusion that, XercesJ doesn't have
bug related to this issue, and the problem reported is unique to the XML
document test instance that's provided.
> Possible Bug: Xerces 2.12.1 for XML Validation with XSD 1.1 Schema under Java
> -----------------------------------------------------------------------------
>
> Key: XERCESJ-1726
> URL: https://issues.apache.org/jira/browse/XERCESJ-1726
> Project: Xerces2-J
> Issue Type: Bug
> Components: Samples
> Affects Versions: 2.12.1
> Environment: Windows 7
> Java 1.8.0_261
> Xerces-J 2.12.1
> Reporter: J Morris
> Assignee: Mukul Gandhi
> Priority: Major
> Labels: test
> Attachments: testX.zip, test_cases_ mukul.zip
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> I have recently been trying to validate the XML file *test1.xml* with a
> schema *test.xsd* containing *assert*/*assertion* constructs, using the
> sample program *jaxp.SourceValidator*.
> Unexpectedly, the result was several reported errors in what appeared to be
> syntactically correct and valid XML lines (*test1.xml*: 9 errors).
> After significant experimentation, it appeared that these errors were
> occurring at line numbers which the validation found troublesome. Inserting
> an extra line at one of the troublesome line numbers made the previously
> erroneous line (now *not* appearing at a troublesome line number) pass
> validation. On the other hand, the newly inserted line (occupying the
> troublesome line number) would fail validation.
> I tentatively interpreted this as meaning that *the validation errors were
> not real* and began to try to develop a test-case, as similar as possible to
> *test1.xml*, but which passed validation. The result was *test2.xml*, which
> was generated from *test1.xml* by inserting XML comment lines at each of the
> troublesome line numbers, thereby displacing the previously erroneous lines
> to non-trooublesome line numbers. Since XML comment lines do not require
> validation, this file passed validation for me (*test2.xml*: 0 errors).
> I then contacted Mukul Gandhi and he re-ran my validations *but came to a
> different result*. He saw errors in both XML files (*test1.xml*: 9 errors;
> *test2.xml*: 18 errors). Despite our joint efforts to achieve convergence
> between our respective validation runs, we have not so far succeeded.
> Mukul did point out a couple of things:
> 1) The way that I was using the "matches" function in the *assert*
> constructs. His experience suggested that this was unreliable. However, I was
> not certain whether this would have led to the type of behaviour that I was
> seeing (apparent troublesome line numbers).
> 2) He found that certain characters (probably the two accented French
> characters) in my XML files were not supported in the default XML encoding
> scheme, UTF-8. However, for me, no errors were reported for those by the
> validation program *jaxp.SourceValidator*.
> I would be very gratefull foe some help in getting to the bottom of this
> (both the original behaviour and the discrepancies with Mukul's validation
> runs).
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