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From "Todd Doolittle (JIRA)" <j...@apache.org>
Subject [jira] Created: (AXIS2-1124) Axis servlet throws null pointer when SOAPAction is ""
Date Fri, 08 Sep 2006 11:22:23 GMT
Axis servlet throws null pointer when SOAPAction is ""
------------------------------------------------------

                 Key: AXIS2-1124
                 URL: http://issues.apache.org/jira/browse/AXIS2-1124
             Project: Apache Axis 2.0 (Axis2)
          Issue Type: Bug
          Components: core
         Environment: Java 1.4.2, Tomcat 4, Axis 2 nightly build from 9/7/2006
            Reporter: Todd Doolittle
            Priority: Blocker


This problem occurs with the latest nightly build.

In issue 1103 a bug was fixed that was causing a SOAP client to set the SOAPAction header
to the operation name even though the WSDL used to create the stub specified that the SOAPAction
was to be "" (empy string).  This worked and now when the WSDL specifies a SOAPAction of "",
the client sets the header appropriately.

However now an Axis 2 service generated from the same WSDL receiving a message with a SOAPAction
of "" throws a null pointer exception.  To illustrate the problem I created some simple WSDL
for an "echo" service that specifies a soapaction="".  If you use the latest nightly build
to generate a service and client from the WSDL and don't change anything else you should receive
an UnsupportedOperationException thrown by the skeleton since you never implemented the business
logic.  Instead when the service receives the SOAP message, it will puke on the empty SOAPAction
header and throw a NullPointerException.  Below is the WSDL.  Below that is a stack trace.
 

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
  name="Echo" targetNamespace="http://tempuri.org/"
  xmlns:fjs="http://tempuri.org/"
  xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <wsdl:types>
    <xsd:schema elementFormDefault="qualified"
      targetNamespace="http://tempuri.org/"
      xmlns:s1="http://tempuri.org/">
      <xsd:element name="StringToEcho" type="xsd:string" />
      <xsd:element name="EchoedString" type="xsd:string" />
    </xsd:schema>
  </wsdl:types>
  <wsdl:message name="echoStringIn">
    <wsdl:part element="fjs:StringToEcho" name="parameters" />
  </wsdl:message>
  <wsdl:message name="echoStringOut">
    <wsdl:part element="fjs:EchoedString" name="parameters" />
  </wsdl:message>
  <wsdl:portType name="EchoPortType">
    <wsdl:operation name="echoString">
      <wsdl:input message="fjs:echoStringIn" name="StringToEcho" />
      <wsdl:output message="fjs:echoStringOut" name="EchoedString" />
    </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="EchoBinding" type="fjs:EchoPortType">
    <soap:binding transport="http://schemas.xmlsoap.org/soap/http" />
    <wsdl:operation name="echoString">
      <soap:operation soapAction="" style="document" />
      <wsdl:input name="StringToEcho">
        <soap:body use="literal" />
      </wsdl:input>
      <wsdl:output name="EchoedString">
        <soap:body use="literal" />
      </wsdl:output>
    </wsdl:operation>
  </wsdl:binding>
  <wsdl:service name="Echo">
    <wsdl:port binding="fjs:EchoBinding" name="EchoPortType">
      <soap:address location="http://localhost:8080/axis2/services/Echo" />
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>


INFO: Received Error Message with id urn:uuid:ADD3D958422E63BE8411577144782181
Exception in thread "main" org.apache.axis2.AxisFault: java.lang.NullPointerException
	at org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:298)
	at org.tempuri.EchoStub.echoString(EchoStub.java:138)
	at Axis2ClientTest.main(Axis2ClientTest.java:20)

^^^^^^^^^^^^^^^^^^^^^^^ The above part of the stack trace is my client reporting the returned
AxisFault,  below is the service portion of the stack track.

Caused by: java.lang.Exception: org.apache.axis2.AxisFault: java.lang.NullPointerException;
nested exception is: 
	java.lang.NullPointerException
	at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:241)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:716)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
	at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
	at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
	at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
	at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.NullPointerException
	at org.apache.axis2.addressing.AddressingHelper.getAnonymousParameterValue(AddressingHelper.java:78)
	at org.apache.axis2.handlers.addressing.AddressingWSDLValidationHandler.checkAnonymous(AddressingWSDLValidationHandler.java:71)
	at org.apache.axis2.handlers.addressing.AddressingWSDLValidationHandler.invoke(AddressingWSDLValidationHandler.java:43)
	at org.apache.axis2.engine.Phase.invoke(Phase.java:377)
	at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:517)
	at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:488)
	at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:309)
	at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:201)
	... 31 more

	at org.apache.axis2.AxisFault.<init>(AxisFault.java:159)
	... 3 more



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