Wat scares me most is the following log messages I got... Whole server failing due to an error in one process instance is not acceptable at all... I'm not sure about the exact validity of the message, cause I went ahead and fixed the NPE without digging more...
DEBUG - GeronimoLog.debug(66) | BPEL SERVER STOPPING 13:01:42,164 DEBUG [BpelServerImpl] BPEL SERVER STOPPING ~Thilina On Fri, Apr 4, 2008 at 4:08 PM, Thilina Gunarathne <[EMAIL PROTECTED]> wrote: > Hi Matthieu, > I completely agree with you that ODE should not fail due to a silly > mistake in an event handler. > > The next thing is if ODE fails like that in any case it's nice if it > notifies the waiting client (if there are any) about that... > > thanks, > Thilina > > > > On Fri, Apr 4, 2008 at 2:42 PM, Matthieu Riou <[EMAIL PROTECTED]> wrote: > > I completely agree that hanging like this and not handling the exception is > > bad, but I don't think ODE should abort the current execution to provide > an > > error back to the client because something happened in an event handler. > The > > client could even not be there. We should log the error and then proceed. > > > > Matthieu > > > > On Fri, Apr 4, 2008 at 10:56 AM, Thilina Gunarathne <[EMAIL PROTECTED]> > > > > > > wrote: > > > > > Hi Alek, > > > done... > > > https://issues.apache.org/jira/browse/ODE-261 > > > > > > It's nice if ODE can provide a error back.. > > > thanks, > > > Thilina > > > > > > On Fri, Apr 4, 2008 at 1:25 PM, Alex Boisvert <[EMAIL PROTECTED]> > > > wrote: > > > > Hi Thilina, > > > > > > > > I would hope we can provide an error back to the client instead of > > > letting > > > > it time out. Can you file an issue? We need to analyze the code > path > > > and > > > > determine where/how to handle this. > > > > > > > > thanks, > > > > alex > > > > > > > > > > > > On Fri, Apr 4, 2008 at 10:09 AM, Thilina Gunarathne <[EMAIL > PROTECTED]> > > > > wrote: > > > > > > > > > > > > > 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<http://www.extreme.indiana.edu/xwf/bpel/Echo_Workflow_20080321_161030_946/%7Decho-3> > > > < > > > > http://www.extreme.indiana.edu/xwf/bpel/Echo_Workflow_20080321_161030_946/%7Decho-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.invokeNewInsedu.indiana.extreme.ode.events > > > > > > > > > > > > > .LeadEventListener.onEvent > > > > > tance(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 > > > > > > > > > > > > > > > > > > > > > -- > > > Thilina Gunarathne - http://thilinag.blogspot.com > > > > > > > > > -- > > > Thilina Gunarathne - http://thilinag.blogspot.com > -- Thilina Gunarathne - http://thilinag.blogspot.com
