Hi there,
Is there any chance that anybody could have a look at this issue? Or
could you guys open a JIRA ticket for it? Please react
Thanks,
Lior
On 03/06/12 08:11, Lior Wehrli wrote:
> Hi,
>
> This is the fourth time I am sending this email to an axis2 mail list.
> So far I did not receive a reply. Is this the wrong list? Should I
> open a JIRA ticket? What am I doing wrong?
>
> Please, can somebody have a look at this?
>
> Thanks,
>
> Lior
>
>
> On 03/02/12 13:30, Lior Wehrli wrote:
>> Hi,
>>
>> I have implemented a JAX-WS service using the Provider<SOAPMessage>
>> interface. I would like to extract elements from the SOAP request
>> using XPath. But when I execute the XPathExpression on the SOAPPart
>> of the message, I get this ugly NullPointerException. I assume that,
>> since SOAPPart implements a DOM Document, this should work.
>>
>> Here is an extract of my code:
>>
>> public SOAPMessage invoke(SOAPMessage message) {
>> XPathFactory factory = XPathFactory.newInstance();
>> XPath xpathBuilder = factory.newXPath();
>> XPathExpression xpath =
>> xpathBuilder.compile("//OnBehalfOf/UsernameToken/Username/text()");
>> Node node = (Node) xpath.evaluate(message.getSOAPPart(),
>> XPathConstants.NODE);
>> }
>>
>> The exception:
>>
>> Caused by: javax.xml.transform.TransformerException: Unknown error in
>> XPath.
>> at org.apache.xpath.XPath.execute(XPath.java:363)
>> at org.apache.xpath.XPath.execute(XPath.java:301)
>> at
>> org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:123)
>> at
>> org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:97)
>> at
>> org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:178)
>> ... 38 more
>> Caused by: java.lang.NullPointerException
>> at org.apache.xml.dtm.ref.dom2dtm.DOM2DTM.nextNode(DOM2DTM.java:387)
>> at
>> org.apache.xml.dtm.ref.DTMDefaultBase._nextsib(DTMDefaultBase.java:563)
>> at
>> org.apache.xml.dtm.ref.DTMDefaultBase.getNextSibling(DTMDefaultBase.java:1140)
>> at
>> org.apache.xml.dtm.ref.DTMDefaultBaseTraversers$ChildTraverser.next(DTMDefaultBaseTraversers.java:461)
>> at org.apache.xpath.axes.AxesWalker.getNextNode(AxesWalker.java:333)
>> at org.apache.xpath.axes.AxesWalker.nextNode(AxesWalker.java:361)
>> at
>> org.apache.xpath.axes.WalkingIterator.nextNode(WalkingIterator.java:192)
>> at
>> org.apache.xpath.axes.NodeSequence.nextNode(NodeSequence.java:281)
>> at org.apache.xpath.axes.NodeSequence.runTo(NodeSequence.java:435)
>> at org.apache.xpath.axes.NodeSequence.setRoot(NodeSequence.java:218)
>> at
>> org.apache.xpath.axes.LocPathIterator.execute(LocPathIterator.java:210)
>> at org.apache.xpath.XPath.execute(XPath.java:335)
>>
>> I use Axis2 1.6.1 and JBoss 5
>>
>> Has anybody seen something like this? Am I doing something wrong? Or
>> this a bug?
>>
>> Thanks,
>>
>> Lior
>>
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>
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AdNovum Informatik AG
Lior Wehrli, Senior Software Engineer
MSc Computer Science ETH
Roentgenstrasse 22, CH-8005 Zurich
mailto:[email protected]
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