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https://issues.apache.org/jira/browse/XALANJ-1914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12467070
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Henry Zongaro commented on XALANJ-1914:
---------------------------------------
Vaclav, the patch for this issue was included in Xalan-J 2.7.0. If you're
still seeing the same problem, it could be that the original fix was in some
way incomplete or that there is another bug producing similar symptoms. Do you
have a reduced test case that you can supply that would allow us to reproduce
the problem?
Jeroen, the line numbers that appear in your traceback lead to me to believe
that you might actually be using Xalan-J 2.4.1 (or something derived from it)
rather than Xalan-J 2.7.0. Please see this FAQ
<http://xml.apache.org/xalan-j/faq.html#faq-N100D6> for more information.
> Transformation failure in Multithread environment.
> javax.xml.transform.TransformerException: 5 >= 1
> ----------------------------------------------------------------------------------------------------
>
> Key: XALANJ-1914
> URL: https://issues.apache.org/jira/browse/XALANJ-1914
> Project: XalanJ2
> Issue Type: Bug
> Components: transformation, Xalan-interpretive
> Affects Versions: 2.7.1
> Environment: Operating System: Windows NT/2K
> Platform: Other
> Reporter: Yash Talwar
> Assigned To: Yash Talwar
> Priority: Blocker
> Fix For: 2.7
>
> Attachments: patch.txt
>
>
> Using the currentCVS version of XalanJ2.
> When I run transformation using single thread, it works fine.
> When multi threads are using for the transformation using the same xml file
> and
> xsl file that is used in single thread test, I get various symptoms. The
> following three symptoms occur randomly:
> First Symptom:
> --------------
> javax.xml.transform.TransformerException: 5 >= 1
> at org.apache.xpath.XPath.execute(XPath.java(Compiled Code))
> at org.apache.xalan.templates.ElemWithParam.getValue(ElemWithParam.java
> (Compiled Code))
> at org.apache.xalan.templates.ElemCallTemplate.execute
> (ElemCallTemplate.java(Compiled Code))
> at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates
> (TransformerImpl.java(Compiled Code))
> ...
> ---------
> java.lang.ArrayIndexOutOfBoundsException: 5 >= 1
> at java.util.Vector.elementAt(Vector.java(Inlined Compiled Code))
> at org.apache.xml.dtm.ref.DTMStringPool.indexToString(DTMStringPool.java
> (Inlined Compiled Code))
> at org.apache.xml.dtm.ref.sax2dtm.SAX2DTM.getStringValue(SAX2DTM.java
> (Compiled Code))
> at org.apache.xpath.objects.XRTreeFrag.str(XRTreeFrag.java(Compiled
> Code))
> at org.apache.xpath.objects.XRTreeFragSelectWrapper.execute
> (XRTreeFragSelectWrapper.java(Compiled Code))
> at org.apache.xpath.XPath.execute(XPath.java(Compiled Code))
> ...
>
>
> Second Symptom:
> ---------------
> javax.xml.transform.TransformerException: -1
> at org.apache.xpath.XPath.execute(XPath.java(Compiled Code))
> at org.apache.xalan.templates.ElemWithParam.getValue(ElemWithParam.java
> (Compiled Code))
> at org.apache.xalan.templates.ElemCallTemplate.execute
> (ElemCallTemplate.java(Compiled Code))
> at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates
> (TransformerImpl.java(Compiled Code))
> ...
>
> ---------
> java.lang.ArrayIndexOutOfBoundsException: -1
> at org.apache.xml.utils.SuballocatedIntVector.elementAt
> (SuballocatedIntVector.java(Inlined Compiled Code))
> at org.apache.xml.dtm.ref.DTMDefaultBase._firstch(DTMDefaultBase.java
> (Compiled Code))
> at org.apache.xml.dtm.ref.sax2dtm.SAX2DTM.getStringValue(SAX2DTM.java
> (Compiled Code))
> at org.apache.xpath.objects.XRTreeFrag.str(XRTreeFrag.java(Compiled
> Code))
> at org.apache.xpath.objects.XRTreeFragSelectWrapper.execute
> (XRTreeFragSelectWrapper.java(Compiled Code))
> at org.apache.xpath.XPath.execute(XPath.java(Compiled Code))
> ...
>
> Third Symptom:
> --------------
> javax.xml.transform.TransformerException: Unknown error in XPath.
> at org.apache.xpath.XPath.execute(XPath.java(Compiled Code))
> at org.apache.xalan.templates.ElemWithParam.getValue(ElemWithParam.java
> (Compiled Code))
> at org.apache.xalan.templates.ElemCallTemplate.execute
> (ElemCallTemplate.java(Compiled Code))
> at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates
> (TransformerImpl.java(Compiled Code))
> ...
> ---------
> java.lang.NullPointerException
> at org.apache.xpath.objects.XNodeSet.getStringFromNode(XNodeSet.java
> (Inlined Compiled Code))
> at org.apache.xpath.objects.XNodeSet.str(XNodeSet.java(Compiled Code))
> at org.apache.xpath.objects.XRTreeFragSelectWrapper.execute
> (XRTreeFragSelectWrapper.java(Compiled Code))
> at org.apache.xpath.XPath.execute(XPath.java(Compiled Code))
> ...
>
> -------------------------------------------------------------------
> These symptoms are random. Also, the output file is not consistent. In
> multithread environment, the output file seems to differ for one thread to
> other.
> Yash
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