question

[焦焕文 <ji...@infopo.lshs.ac.cn>]

i use the xalan_2_0_0,the classpath include xalan.jar and xerces.jar, but
exception  occured at the method transformer.transform(xmlSource,new
StreamResult(res.getOutputStream())) in doPost in the servlet.

the exception is :
java.lang.NoSuchMethodError
        at
org.apache.xpath.axes.ChildWalkerMultiStep.getNextNode(ChildWalkerMu
tiStep.java:95)
        at
org.apache.xpath.axes.ChildWalkerMultiStep.nextNode(ChildWalkerMulti
tep.java:147)
        at
org.apache.xpath.axes.LocPathIterator.nextNode(LocPathIterator.java:
89)
        at
org.apache.xalan.templates.ElemForEach.transformSelectedNodes(ElemFo
Each.java:428)
        at
org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:228)
        at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(T
ansformerImpl.java:2154)
        at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(T
ansformerImpl.java:2097)
        at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResu
t.java:739)
        at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(T
ansformerImpl.java:2154)
        at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(T
ansformerImpl.java:2097)
        at
org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResu
t.java:739)
        at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(T
ansformerImpl.java:2154)
        at
org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(T
ansformerImpl.java:2097)
        at
org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(Tra
sformerImpl.java:2029)
        at
org.apache.xalan.transformer.TransformerImpl.transformNode(Transform
rImpl.java:1189)
        at org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.
jav
:2894)
        at java.lang.Thread.run(Unknown Source)


why?

thank you!