[jira] Created: (SANDESHA2-59) NullPointerException thrown when processing a AckRequest for an unknown sequence

[Andrew Gatford (JIRA)]

NullPointerException thrown when processing a AckRequest for an unknown sequence
--------------------------------------------------------------------------------

                 Key: SANDESHA2-59
                 URL: http://issues.apache.org/jira/browse/SANDESHA2-59
             Project: Apache Sandesha2
          Issue Type: Bug
            Reporter: Andrew Gatford
            Priority: Minor


If an AckRequest message is received for a sequence that is not known, then the 
following NullPointerException is returned.
  
       <soapenv:Fault>
            <faultcode>soapenv:Client</faultcode>
            <faultstring>Sandesha2 got an exception when processing an in 
message: java.lang.NullPointerException</faultstring>
            <detail>
               <Exception>org.apache.axis2.AxisFault: Sandesha2 got an 
exception when processing an in message: java.lang.NullPointerException; nested 
exception is:    java.lang.NullPointerException&#xd;     at 
org.apache.sandesha2.handlers.SandeshaInHandler.invoke(SandeshaInHandler.java:156)&#xd;
      at org.apache.axis2.engine.Phase.invoke(Phase.java:382)&#xd;    at 
org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:245)&#xd;  at 
org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:164)&#xd; at 
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:334)&#xd;
  at 
org.apache.axis2.transport.http.HTTPWorker.service(HTTPWorker.java:230)&#xd;
        at 
org.apache.axis2.transport.http.server.DefaultHttpServiceProcessor.doService(DefaultHttpServiceProcessor.java:180)&#xd;
        at 
org.apache.http.protocol.HttpService.handleRequest(HttpService.java:123)&#xd;
        at 
org.apache.axis2.transport.http.server.DefaultHttpServiceProcessor.run(DefaultHttpServiceProcessor.java:252)&#xd;
        at 
edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)&#xd;
        at 
edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)&#xd;
        at java.lang.Thread.run(Thread.java:797)&#xd;
Caused by: java.lang.NullPointerException&#xd;
        at 
org.apache.sandesha2.msgprocessors.AckRequestedProcessor.processAckRequestedHeader(AckRequestedProcessor.java:143)&#xd;
        at 
org.apache.sandesha2.msgprocessors.AckRequestedProcessor.processAckRequestedHeaders(AckRequestedProcessor.java:88)&#xd;
        at 
org.apache.sandesha2.handlers.SandeshaInHandler.invoke(SandeshaInHandler.java:127)&#xd;
        ... 11 more&#xd;
</Exception>
            </detail>
         </soapenv:Fault>

This is because there is no check for sequence existence inside the 
AckRequestedProcessor::processAckRequestedHeader


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