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From Douglas Doughty <ddoug...@emprint.com>
Subject Re: NoSuchElementException
Date Tue, 01 Dec 2015 19:05:09 GMT
Thanks for the advice, Oleg.  I migrated to the latest snapshot, and it’s working now.
Good to hear, Joe.



On 12/1/15, 10:48 AM, "Joe Witt" <joe.witt@gmail.com> wrote:

>adding to Oleg's comment we should have this in a formal nifi release
>very soon.  In fact the great NIFI-655 push we've been holding on just
>went down so think we're going to kick out an RC very soon.
>
>Thanks
>Joe
>
>On Tue, Dec 1, 2015 at 11:45 AM, Oleg Zhurakousky
><ozhurakousky@hortonworks.com> wrote:
>> Douglass
>>
>> Just looked at the code and  would like to ask you if you could try it with
>> our latest snapshot. This was a bug that was fixed.
>>
>> Thanks
>> Oleg
>>
>> On Dec 1, 2015, at 11:23 AM, Douglas Doughty <ddoughty@emprint.com> wrote:
>>
>> Hi All,
>> I’ve enjoyed working with nifi, and I am about to deploy it into production,
>> but I keep running into one problem:
>>
>> I get an error on a ConvertAvroToJSON processor that is in a success path
>> after a ExecuteSQL processor.  The messages stayed queued between the two
>> processors.  When looking at the provenance for the ExecuteSQL processor, I
>> do see hex data.
>>
>> The error is:
>>
>> 2015-12-01 09:16:19,349 ERROR [Timer-Driven Process Thread-2]
>> o.a.n.processors.avro.ConvertAvroToJSON
>> ConvertAvroToJSON[id=dd7826cf-31d0-437a-9d69-54d91d7c0838]
>> ConvertAvroToJSON[id=dd7826cf-31d0-437a-9d69-54d91d7c0838] failed to process
>> due to java.util.NoSuchElementException; rolling back session:
>> java.util.NoSuchElementException
>> 2015-12-01 09:16:19,350 ERROR [Timer-Driven Process Thread-2]
>> o.a.n.processors.avro.ConvertAvroToJSON
>> ConvertAvroToJSON[id=dd7826cf-31d0-437a-9d69-54d91d7c0838]
>> ConvertAvroToJSON[id=dd7826cf-31d0-437a-9d69-54d91d7c0838] failed to process
>> session due to java.util.NoSuchElementException:
>> java.util.NoSuchElementException
>> 2015-12-01 09:16:19,350 WARN [Timer-Driven Process Thread-2]
>> o.a.n.processors.avro.ConvertAvroToJSON
>> ConvertAvroToJSON[id=dd7826cf-31d0-437a-9d69-54d91d7c0838] Processor
>> Administratively Yielded for 1 sec due to processing failure
>> 2015-12-01 09:16:19,350 WARN [Timer-Driven Process Thread-2]
>> o.a.n.c.t.ContinuallyRunProcessorTask Administratively Yielding
>> ConvertAvroToJSON[id=dd7826cf-31d0-437a-9d69-54d91d7c0838] due to uncaught
>> Exception: java.util.NoSuchElementException
>> 2015-12-01 09:16:19,353 WARN [Timer-Driven Process Thread-2]
>> o.a.n.c.t.ContinuallyRunProcessorTask
>> java.util.NoSuchElementException: null
>>         at org.apache.avro.file.DataFileStream.next(DataFileStream.java:232)
>> ~[na:na]
>>         at org.apache.avro.file.DataFileStream.next(DataFileStream.java:220)
>> ~[na:na]
>>         at
>> org.apache.nifi.processors.avro.ConvertAvroToJSON$1.process(ConvertAvroToJSON.java:89)
>> ~[na:na]
>>         at
>> org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2155)
>> ~[nifi-framework-core-0.3.0.jar:0.3.0]
>>         at
>> org.apache.nifi.processors.avro.ConvertAvroToJSON.onTrigger(ConvertAvroToJSON.java:81)
>> ~[na:na]
>>         at
>> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
>> ~[nifi-api-0.3.0.jar:0.3.0]
>>         at
>> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1077)
>> ~[nifi-framework-core-0.3.0.jar:0.3.0]
>>         at
>> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:127)
>> [nifi-framework-core-0.3.0.jar:0.3.0]
>>         at
>> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:49)
>> [nifi-framework-core-0.3.0.jar:0.3.0]
>>         at
>> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:119)
>> [nifi-framework-core-0.3.0.jar:0.3.0]
>>         at
>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>> [na:1.8.0_66]
>>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
>> [na:1.8.0_66]
>>         at
>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
>> [na:1.8.0_66]
>>         at
>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
>> [na:1.8.0_66]
>>         at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>> [na:1.8.0_66]
>>         at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>> [na:1.8.0_66]
>>         at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66]
>>
>>
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