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From "Thomas Poetter (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AXIS2-3892) WebServiceStub crashes with NullPointerException when web service function is called with null as argument
Date Mon, 07 Jul 2008 13:29:32 GMT

    [ https://issues.apache.org/jira/browse/AXIS2-3892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12611157#action_12611157
] 

Thomas Poetter commented on AXIS2-3892:
---------------------------------------

As an attempt of a workaround for the example in the last comment, I avoided throwing an exception
"Property cannot be null" in InterActiveWebClientRampart.AccountInformationServiceStub and
continued with execution. This leads to the following error dump:

Exception in thread "main" org.apache.axis2.AxisFault: Error in extracting message properties
	at org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:70)
	at org.apache.axis2.engine.Phase.invoke(Phase.java:317)
	at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:264)
	at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:429)
	at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:401)
	at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:228)
	at org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
	at InterActiveWebClientRampart.AccountInformationServiceStub.GetInfo(AccountInformationServiceStub.java:199)
	at InterActiveWebClientRampart.AccountInformationServiceCGClient.main(AccountInformationServiceCGClient.java:77)
Caused by: org.apache.rampart.RampartException: Error in extracting message properties
	at org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:322)
	at org.apache.rampart.MessageBuilder.build(MessageBuilder.java:61)
	at org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:64)
	... 8 more
Caused by: org.apache.ws.security.WSSecurityException: Error in converting SOAP Envelope to
Document; nested exception is: 
	org.apache.axiom.om.OMException: javax.xml.stream.XMLStreamException
	at org.apache.rampart.util.Axis2Util.getDocumentFromSOAPEnvelope(Axis2Util.java:161)
	at org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:158)
	... 10 more
Caused by: org.apache.axiom.om.OMException: javax.xml.stream.XMLStreamException
	at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:249)
	at org.apache.axiom.om.impl.dom.NodeImpl.build(NodeImpl.java:449)
	at org.apache.axiom.om.impl.dom.DocumentImpl.build(DocumentImpl.java:488)
	at org.apache.rampart.util.Axis2Util.getDocumentFromSOAPEnvelope(Axis2Util.java:134)
	... 11 more
Caused by: javax.xml.stream.XMLStreamException
	at org.apache.axiom.om.impl.llom.OMStAXWrapper.updateLastNode(OMStAXWrapper.java:1054)
	at org.apache.axiom.om.impl.llom.OMStAXWrapper.next(OMStAXWrapper.java:977)
	at org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:506)
	at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:161)
	... 14 more


> WebServiceStub crashes with NullPointerException when web service function is called
with null as argument
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: AXIS2-3892
>                 URL: https://issues.apache.org/jira/browse/AXIS2-3892
>             Project: Axis 2.0 (Axis2)
>          Issue Type: Bug
>          Components: codegen
>    Affects Versions: 1.4
>         Environment: WinXP for AXIS client + server, Rampart 1.4
>            Reporter: Thomas Poetter
>            Assignee: Amila Chinthaka Suriarachchi
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Call:
>   InterActiveResponse result = stub.GetInfo(null); 
> Crash in:
>   public InterActiveResponse GetInfo(InterActiveRequest interActiveRequest0)
>     env = toEnvelope(getFactory(_operationClient.getOptions().getSoapVersionURI()),
>        interActiveRequest0,    // <-- value of interActiveRequest0: null => causes
NullPointerException
>       optimizeContent(new javax.xml.namespace.QName("https://xxx/AccountInformation",
"GetInfo")));
> I know that one fix is to prevent the client to call the service with null as argument.
However, I feel the client shouldn't crash in this case but return null without crashing or
throw an IllegalArgumentException or a similar - less fatal and more meaningful exception
than NullPointerException.

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