Oleg,

Yes, it is intermittent and it only seen it happening when using -T

I would say it happens 1 out of 5 times so we can say it is intermittent.
If I recall correctly, Kafka 0.9 is the most common failure but give me a
few days and I will try to confirm that.

Cheers



On Mon, Sep 12, 2016 at 7:54 AM, Oleg Zhurakousky <
ozhurakou...@hortonworks.com> wrote:

> Andre
>
> Couple of questions
> 1. Since KafkaPublisher class exists in all 3 Kafka processors (0.9 and
> 0.10 Kafka clients) under the same package name, which one does it happen
> in? I am assuming its intermittent.
> 2. How often does it happen?
>
> My suspicion is that this test is using embedded Kafka together with NiFi
> test mocks and there may be slight possibility of a timing issue under the
> load of the build which means the test may need to be tuned. But if this
> test fails on 0.10 only it could also mean that we may need to look a
> little deeper (since I can’t remember seeng this failure yet) which could
> relate to some of the changes in Kafka 10 clients
>
> Cheers
> Oleg
>
> > On Sep 11, 2016, at 8:02 AM, Andre F de Miranda <af...@fucs.org> wrote:
> >
> > Hi there,
> >
> > is anyone else having frequent errors on some of the Kafka processors?
> >
> > Tests run: 6, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 22.248
> sec
> > <<< FAILURE! - in org.apache.nifi.processors.kafka.pubsub.
> KafkaPublisherTest
> > validateSuccessfulSendAsDelimited(org.apache.nifi.
> processors.kafka.pubsub.KafkaPublisherTest)
> > Time elapsed: 1.413 sec  <<< ERROR!
> > kafka.consumer.ConsumerTimeoutException: null
> > at kafka.consumer.ConsumerIterator.makeNext(ConsumerIterator.scala:69)
> > at kafka.consumer.ConsumerIterator.makeNext(ConsumerIterator.scala:33)
> > at kafka.utils.IteratorTemplate.maybeComputeNext(
> IteratorTemplate.scala:66)
> > at kafka.utils.IteratorTemplate.hasNext(IteratorTemplate.scala:58)
> > at kafka.utils.IteratorTemplate.next(IteratorTemplate.scala:38)
> > at kafka.consumer.ConsumerIterator.next(ConsumerIterator.scala:46)
> > at
> > org.apache.nifi.processors.kafka.pubsub.KafkaPublisherTest.
> validateSuccessfulSendAsDelimited(KafkaPublisherTest.java:115)
> >
> > It seems to happen only (or at least more frequently) when build is
> > performed with -T 2.0C
> >
> >
> > Cheers
>
>

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