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https://issues.apache.org/jira/browse/XALANJ-1914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12462247
]
Jeroen Ruijgers commented on XALANJ-1914:
-----------------------------------------
today i did get a simular exception again
javax.xml.transform.TransformerException: Unknown error in XPath.
at org.apache.xpath.XPath.bool(XPath.java:412)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:208)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:210)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:435)
at
org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:273)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:425)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:216)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:710)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:425)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:216)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at
org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2160)
at
org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1213)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:668)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1129)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1107)
at
my.companies.product.validation.impl.MeldingValidationServiceSAXImpl.validate(MeldingValidationServiceSAXImpl.java:89)
...truncated...
Caused by: java.lang.NullPointerException
at org.apache.xpath.objects.XNodeSet.getStringFromNode(XNodeSet.java:255)
at org.apache.xpath.objects.XNodeSet.str(XNodeSet.java:318)
at org.apache.xpath.functions.FuncContains.execute(FuncContains.java:87)
at org.apache.xpath.functions.FuncNot.execute(FuncNot.java:85)
at org.apache.xpath.Expression.bool(Expression.java:230)
at org.apache.xpath.XPath.bool(XPath.java:383)
... 61 more
---------
java.lang.NullPointerException
at org.apache.xpath.objects.XNodeSet.getStringFromNode(XNodeSet.java:255)
at org.apache.xpath.objects.XNodeSet.str(XNodeSet.java:318)
at org.apache.xpath.functions.FuncContains.execute(FuncContains.java:87)
at org.apache.xpath.functions.FuncNot.execute(FuncNot.java:85)
at org.apache.xpath.Expression.bool(Expression.java:230)
at org.apache.xpath.XPath.bool(XPath.java:383)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:208)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:210)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:435)
at
org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:273)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:425)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:216)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:710)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:425)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:216)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
at
org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2160)
at
org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1213)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:668)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1129)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1107)
at
my.companies.product.validation.impl.MeldingValidationServiceSAXImpl.validate(MeldingValidationServiceSAXImpl.java:89)
...truncated...
i am using sax as the event handler and this type of exceptions occur randomly
> 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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