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From Manish G <>
Subject Re: Flow File Stuck for no reason
Date Thu, 01 Dec 2016 02:20:05 GMT
Hi Joe,

Thanks for the quick reply. Yes, the processor keeps running on a single
thread (even after stopping). And the number remains there even after
Today, it happened on my customized putHDFS processor. Only thing different
in this processor is - I have added an additional attribute that tells if
the processor created the directory while loading the file on HDFS. I don't
think this should be the issue though.


On Wed, Nov 30, 2016 at 7:05 PM, Joe Witt <> wrote:

> Manish
> When it is stuck do you see a number in the top right corner of the
> processor?  When you stop it does the number remain?  That number is
> telling you how many threads are still executing.  Which processor are
> we talking about?  When it is in the stuck state can you please run
> bin/ dump.  If you can then share the nifi-bootstrap.log that
> would aid us in narrowing in on a possible cause.
> Thanks
> Joe
> On Wed, Nov 30, 2016 at 7:02 PM, Manish G <> wrote:
> >
> > Hi,
> >
> > I have noticed that sometime a flow file gets stuck on a processor for a
> > very long time for no reason and then I can not even stop the processor
> to
> > look at the flow flow file from queue. If I click on stop, then processor
> > goes into a state where I cannot start/stop the processor.
> >
> > On restarting the NiFi, the file gets processed successfully and routed
> to
> > success queue. I checked in App log, but everything seems to be normal
> for
> > the flow file. I don't see anything mysterious in provenance too (except
> > that queue time is in hours).
> >
> > Has anyone else faced a similar issue? What else should I check to
> identify
> > the root cause for this?
> >
> > Thanks,
> > Manish


*With Warm Regards,*

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