I take that back, it happened again. Will try your patch.
> On Nov 18, 2015, at 3:36 PM, Rick Mangi <r...@chartbeat.com> wrote:
>
> I seem to have solved it by only specifying a single zookeeper node in my job
> config. Maybe a race condition of some sort?
>
>
>> On Nov 18, 2015, at 2:37 PM, Yi Pan <nickpa...@gmail.com> wrote:
>>
>> Hi, Rick,
>>
>> I think that you are running into SAMZA-754. I have a RB available for it
>> already. I will upload the patch and it would be good if you can try the
>> patch to see whether that solves your problem.
>>
>> -Yi
>>
>> On Tue, Nov 17, 2015 at 12:01 PM, Rick Mangi <r...@chartbeat.com> wrote:
>>
>>> Hi, getting things working on samza 0.10.0 finally :)
>>>
>>> I’m seeing the following error about 1/4 of the time from run-job.sh when
>>> starting jobs:
>>>
>>> [yarnmaster01] out: 2015-11-17 14:56:00 KafkaSystemAdmin$ [INFO] Got
>>> metadata: Map(__samza_coordinator_t-key-grouper_dev -> SystemStreamMetadata
>>> [streamName=__samza_coordinator_t-key-grouper_dev,
>>> partitionMetadata={Partition [partition=0]=SystemStreamPartitionMetadata
>>> [oldestOffset=null, newestOffset=null, upcomingOffset=0]}])
>>> [yarnmaster01] out: Exception in thread "main"
>>> java.lang.NullPointerException
>>> [yarnmaster01] out: at
>>> java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1124)
>>> [yarnmaster01] out: at
>>> scala.collection.convert.Wrappers$JMapWrapperLike$class.update(Wrappers.scala:257)
>>> [yarnmaster01] out: at
>>> scala.collection.convert.Wrappers$JConcurrentMapWrapper.update(Wrappers.scala:348)
>>> [yarnmaster01] out: at
>>> scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:189)
>>> [yarnmaster01] out: at
>>> scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:91)
>>> [yarnmaster01] out: at
>>> org.apache.samza.system.kafka.KafkaSystemConsumer.register(KafkaSystemConsumer.scala:108)
>>> [yarnmaster01] out: at
>>> org.apache.samza.coordinator.stream.CoordinatorStreamSystemConsumer.register(CoordinatorStreamSystemConsumer.java:112)
>>> [yarnmaster01] out: at
>>> org.apache.samza.job.JobRunner.run(JobRunner.scala:88)
>>> [yarnmaster01] out: at
>>> org.apache.samza.job.JobRunner$.main(JobRunner.scala:43)
>>> [yarnmaster01] out: at
>>> org.apache.samza.job.JobRunner.main(JobRunner.scala)
>>> [yarnmaster01] out:
>>>
>>>
>>> The same job will startup fine a minute later.
>>>
>
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