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From "Rafal Rusin (JIRA)" <j...@apache.org>
Subject [jira] Created: (ODE-536) NullPointerException during ASSIGN of complex node returned from XQuery
Date Tue, 03 Mar 2009 12:36:57 GMT
NullPointerException during ASSIGN of complex node returned from XQuery
-----------------------------------------------------------------------

                 Key: ODE-536
                 URL: https://issues.apache.org/jira/browse/ODE-536
             Project: ODE
          Issue Type: Bug
          Components: JBI Integration
    Affects Versions: 1.3
         Environment: ServiceMix 3.3
            Reporter: Rafal Rusin
             Fix For: 1.3


I did a following xquery assign:

        <assign name="assign1">
            <copy>
                <from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xquery1.0">
                                <![CDATA[
					for $loopOnce in (1) 
					return 
                                <test:test1>
                                    <test:test2>abc</test:test2>
                                </test:test1>   
                                ]]>
				</from>
                <to variable="myVar" part="TestPart"/>
            </copy>
        </assign>

and run it in servicemix. 
I got:

13:26:57,703 | ERROR | pool-4-thread-1 | BpelEngineImpl           | ode.bpel.engine.BpelEngineImpl
 433 | Scheduled job failed; jobDetail={type=INVOKE_INTERNAL, mexid=65536, pid={http://ode/bpel/unit-test}HelloXQueryWorld-1}
java.lang.RuntimeException: java.lang.NullPointerException
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:464)
        at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:139)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:847)
        at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeNewInstance(PartnerLinkMyRoleImpl.java:206)
        at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:215)
        at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:402)
        at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:424)
        at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:377)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:386)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:380)
        at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:208)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:379)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:376)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
        at java.util.concurrent.FutureTask.run(FutureTask.java:123)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
        at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
        at org.apache.xerces.dom.CoreDocumentImpl.importNode(Unknown Source)
        at org.apache.xerces.dom.CoreDocumentImpl.importNode(Unknown Source)
        at org.apache.ode.bpel.runtime.ASSIGN.replaceElement(ASSIGN.java:489)
        at org.apache.ode.bpel.runtime.ASSIGN.copy(ASSIGN.java:416)
        at org.apache.ode.bpel.runtime.ASSIGN.run(ASSIGN.java:81)
        at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:451)
        ... 17 more



I noticed that this example run successfully in ODE tests. I saw that a difference is that
evaluated node list is of Xerces DOM impl in ODE tests, and Saxon DOM impl in Servicemix.


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