Hello Joe,

I have added all the details to NiFi-4290. Please let me know if you need
any other information from my side.

Thanks
Mayank

On Sat, Aug 12, 2017 at 12:00 AM, Joe Witt <joe.w...@gmail.com> wrote:

> Thanks for reporting the issue.  It appears the NPE can occur if zero
> records end up getting published and it fails to lookup the schema
> because the message tracker is not yet initialized.
>
> So a couple things:
> 1) Verify the settings being used to lookup the schema.  You can show
> the record reader, writer, and schema registry settings being used for
> that publisher.
> 2) You do not need to SplitAvro before sending it via publish kafka
> record.  Avoiding doing the split beforehand can result in vastly
> superior performance.
>
> Thanks
> Joe
>
> On Fri, Aug 11, 2017 at 8:03 PM, mayank rathi <mayank.ra...@gmail.com>
> wrote:
> > Hello Joe,
> >
> > JIRA logged.
> >
> > https://issues.apache.org/jira/browse/NIFI-4290
> >
> > Thanks!!
> >
> > On Fri, Aug 11, 2017 at 9:48 PM, Joe Witt <joe.w...@gmail.com> wrote:
> >
> >> Hello
> >>
> >> Can you please file a jira and attach the logs to the jira.
> >>
> >> Thanks
> >> Joe
> >>
> >> On Aug 11, 2017 6:23 PM, "mayank rathi" <mayank.ra...@gmail.com> wrote:
> >>
> >> > Attached are the logs after setting processors in Debug mode. Here is
> the
> >> > flow:
> >> >
> >> > ExecuteSQL --> SplitAvro --> PublishKafkaRecord_0_10
> >> >
> >> > Thanks!!
> >> >
> >> > On Fri, Aug 11, 2017 at 9:01 PM, mayank rathi <mayank.ra...@gmail.com
> >
> >> > wrote:
> >> >
> >> >> Hello All,
> >> >>
> >> >> I am moving data to Kafka using NiFi's PublishKafkaRecord processor.
> I
> >> am
> >> >> using ConfluentSchemaRegistry Controller service and getting below
> >> error:
> >> >>
> >> >> 2017-08-11 20:54:25,937 ERROR [Timer-Driven Process Thread-4]
> >> >> o.a.n.p.k.pubsub.PublishKafkaRecord_0_10
> PublishKafkaRecord_0_10[id=b3c
> >> >> 03961-015d-1000-0946-79ccbe2ffbbd] PublishKafkaRecord_0_10[id=b3c
> >> >> 03961-015d-1000-0946-79ccbe2ffbbd] failed to process due to
> >> >> java.lang.NullPointerException; rolling back session: {}
> >> >> java.lang.NullPointerException: null
> >> >>
> >> >> I do not see any error on Kafka side.
> >> >>
> >> >> How can I debug and resolve this issue?
> >> >>
> >> >> Thanks!!
> >> >>
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