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From "Thilina Gunarathne" <cset...@gmail.com>
Subject Server error handling
Date Fri, 04 Apr 2008 17:09:24 GMT
Hi,
I did a mistake in the event handler I wrote, resulted in a null
pointer exception, which happened immediately after the first receive.
This made the process instance to abort (not sure whether the engine
crashed too), but my client program never got an error back and kept
on waiting... Just wondering whether this is an expected behavior or a
bug...

13:01:41,556 ERROR [BpelEngineImpl] Scheduled job failed;
jobDetail={type=INVOKE_INTERNAL,
pid={http://www.extreme.indiana.edu/xwf/bpel/Echo_Workflow_20080321_161030_946/}echo-3,
mexid=hqejbhcnphr3656bmodatr}
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:812)
        at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeNewInstance(PartnerLinkMyRoleImpl.java:197)
        at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:194)
        at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:362)
        at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:328)
        at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:341)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:340)
        at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:179)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:339)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:336)
        at java.util.concurrent.FutureTask$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 edu.indiana.extreme.ode.events.LeadEventListener.onEvent(LeadEventListener.java:24)
        at org.apache.ode.bpel.engine.BpelEngineImpl.fireEvent(BpelEngineImpl.java:422)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.sendEvent(BpelRuntimeContextImpl.java:1000)
        at org.apache.ode.bpel.runtime.PROCESS.run(PROCESS.java:49)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:451)
        ... 17 more
DEBUG - GeronimoLog.debug(66) | BPEL SERVER STOPPING
13:01:42,164 DEBUG [BpelServerImpl] BPEL SERVER STOPPING
ERROR - GeronimoLog.error(108) | Error while executing transaction
org.apache.ode.bpel.iapi.Scheduler$JobProcessorException:
java.lang.RuntimeException: java.lang.NullPointerException
        at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:338)
        at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:341)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:340)
        at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:179)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:339)
        at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:336)
        at java.util.concurrent.FutureTask$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.RuntimeException: java.lang.NullPointerException
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:464)
        at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:139)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:812)
        at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeNewInstance(PartnerLinkMyRoleImpl.java:197)
        at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:194)
        at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:362)
        at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:328)
        ... 11 more
Caused by: java.lang.NullPointerException
        at edu.indiana.extreme.ode.events.LeadEventListener.onEvent(LeadEventListener.java:24)
        at org.apache.ode.bpel.engine.BpelEngineImpl.fireEvent(BpelEngineImpl.java:422)
        at org.apache.ode.bpel.engine.BpelRuntimeContextImpl.sendEvent(BpelRuntimeContextImpl.java:1000)
        at org.apache.ode.bpel.runtime.PROCESS.run(PROCESS.java:49)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:451)
        ... 17 more

thanks,
Thilina
-- 
Thilina Gunarathne - http://thilinag.blogspot.com

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