[Swift-devel] Re: coaster-service -passive null pointer exception

David Kelly davidkelly999 at gmail.com
Tue May 24 14:15:15 CDT 2011


Thanks. I gave it a try and this is what I am seeing now:

Failed to connect: Connection refused at /home/davidk/work/worker.pl line
300.

from coaster.log:
Error starting coaster service: null
Error starting coaster service
java.lang.NullPointerException
        at
org.globus.cog.abstraction.coaster.service.CoasterPersistentService.main(CoasterPersistentService.java:145)

David

On Tue, May 24, 2011 at 1:57 PM, Mihael Hategan <hategan at mcs.anl.gov> wrote:

> I committed a tentative fix to trunk. I won't swear by it, but please
> give it a try and let me know how it works.
>
> Mihael
>
> On Tue, 2011-05-24 at 13:44 -0500, David Kelly wrote:
> > Attached is the coaster.log that is being generated, but it doesn't
> > contain much information.
> >
> > But where it was throwing the exception, I called getStrackTrace() to
> > get more info and saved it. Hope this helps:
> >
> >
> org.globus.cog.abstraction.coaster.service.job.manager.JobQueue.nextId(JobQueue.java:122)
> >
> org.globus.cog.abstraction.coaster.service.LocalTCPService.registrationReceived(LocalTCPService.java:58)
> >
> org.globus.cog.abstraction.coaster.service.local.RegistrationHandler.requestComplete(RegistrationHandler.java:41)
> >
> org.globus.cog.karajan.workflow.service.handlers.RequestHandler.receiveCompleted(RequestHandler.java:84)
> >
> org.globus.cog.karajan.workflow.service.channels.AbstractKarajanChannel.handleRequest(AbstractKarajanChannel.java:390)
> >
> org.globus.cog.karajan.workflow.service.channels.AbstractStreamKarajanChannel.step(AbstractStreamKarajanChannel.java:158)
> >
> org.globus.cog.karajan.workflow.service.channels.AbstractStreamKarajanChannel$Multiplexer.run(AbstractStreamKarajanChannel.java:377)
> >
> > David
> >
> > On Tue, May 24, 2011 at 12:47 PM, Mihael Hategan <hategan at mcs.anl.gov>
> > wrote:
> >         Do you have logs or exact stack trace for this?
> >
> >
> >         On Tue, 2011-05-24 at 10:21 -0500, David Kelly wrote:
> >         > Hello,
> >         >
> >         > When trying to run coaster-service in passive mode, I get a
> >         null
> >         > pointer exception when starting worker nodes. This seems to
> >         happen
> >         > when the worker node tries to register with the coaster
> >         service. I
> >         > get:
> >         >
> >         > Failed to process data: Failed to register (service returned
> >         error:
> >         > java.lang.NullPointerException)
> >         at /home/davidk/work/worker.pl line
> >         > 762.
> >         >
> >         > The exception gets thrown from RegistrationHandler.java.
> >         Running a
> >         > swift script before starting the workers seems to be the
> >         workaround..
> >         > but I think with the -passive option we shouldn't need to do
> >         that
> >         > anymore, is that correct?
> >         >
> >         > Thanks,
> >         > David
> >         >
> >
> >
> >
> >
>
>
>
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