Hi,
I have a xsl:xstylesheet that crashes in both 2.6.0 and 2.7.0 with a NPE.
Heres the stack trace:
javax.xml.transform.TransformerException: java.lang.NullPointerException
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2341)
at
org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:393
)
at
org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.
java:247)
at
org.apache.xalan.templates.ElemForEach.transformSelectedNodes(ElemFor
Each.java:420)
at
org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:259)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemElement.constructNode(ElemElement.java
:338)
at
org.apache.xalan.templates.ElemElement.execute(ElemElement.java:287)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:393
)
at
org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.
java:247)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:140)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:161)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.transformer.TransformerImpl.transformToString(Transf
ormerImpl.java:2019)
at
org.apache.xalan.templates.ElemComment.execute(ElemComment.java:85)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(Tran
sformerImpl.java:2202)
at
org.apache.xalan.transformer.TransformerImpl.transformNode(Transforme
rImpl.java:1276)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImp
l.java:673)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImp
l.java:1192)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImp
l.java:1170)
at org.apache.xalan.xslt.Process.main(Process.java:987)
Caused by: java.lang.NullPointerException
at
org.apache.xml.serializer.SerializerBase.getPrefix(SerializerBase.jav
a:841)
at
org.apache.xalan.templates.ElemAttribute.resolvePrefix(ElemAttribute.
java:130)
at
org.apache.xalan.templates.ElemElement.execute(ElemElement.java:240)
at
org.apache.xalan.templates.ElemAttribute.execute(ElemAttribute.java:1
07)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
... 60 more
---------
java.lang.NullPointerException
at
org.apache.xml.serializer.SerializerBase.getPrefix(SerializerBase.jav
a:841)
at
org.apache.xalan.templates.ElemAttribute.resolvePrefix(ElemAttribute.
java:130)
at
org.apache.xalan.templates.ElemElement.execute(ElemElement.java:240)
at
org.apache.xalan.templates.ElemAttribute.execute(ElemAttribute.java:1
07)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:393
)
at
org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.
java:247)
at
org.apache.xalan.templates.ElemForEach.transformSelectedNodes(ElemFor
Each.java:420)
at
org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:259)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemElement.constructNode(ElemElement.java
:338)
at
org.apache.xalan.templates.ElemElement.execute(ElemElement.java:287)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:393
)
at
org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.
java:247)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:140)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:161)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(
ElemApplyTemplates.java:395)
at
org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTempla
tes.java:177)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.transformer.TransformerImpl.transformToString(Transf
ormerImpl.java:2019)
at
org.apache.xalan.templates.ElemComment.execute(ElemComment.java:85)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResul
t.java:682)
at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(Tr
ansformerImpl.java:2336)
at
org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(Tran
sformerImpl.java:2202)
at
org.apache.xalan.transformer.TransformerImpl.transformNode(Transforme
rImpl.java:1276)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImp
l.java:673)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImp
l.java:1192)
at
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImp
l.java:1170)
at org.apache.xalan.xslt.Process.main(Process.java:987)
I did a search in JIRA but couldn't see anything similar. It appears to be
related to the following in my stylesheet:
<xsl:comment>
<xsl:apply-templates select="//[EMAIL PROTECTED]'coveringletter']"/>
<xsl:apply-templates select="//[EMAIL PROTECTED]'statement']"/>
</xsl:comment>
If I comment this out then the transform doesn't throw a NPE. My XML and
stylesheet are quite big and also confidential so I can't post it here. I
did try creating a cut down version but the NPE didnt occur. Now I realise
that it might seem like a strange thing to do, but I really need to be able
to place xsl elements inside an xsl:comment. Can anyone offer any further
insight?
Thanks,
Chris
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