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https://issues.apache.org/jira/browse/NIFI-4046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-4046:
-----------------------------
Fix Version/s: 1.4.0
Status: Patch Available (was: Open)
> ConsumeKafkaRecord can throw NPE if using an Avro Reader and data on topic is
> missing a required field
> ------------------------------------------------------------------------------------------------------
>
> Key: NIFI-4046
> URL: https://issues.apache.org/jira/browse/NIFI-4046
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.4.0
>
>
> I am using PublishKafkaRecord to push some data to a Kafka topic using the
> Avro writer. I not embedding the Avro schema in the content but rather using
> a Schema Registry.
> I then have a ConsumeKafkaRecord that pulls that Avro data, but is using a
> Schema that has an extra field, which is not present in the data. As a
> result, I get a NullPointerException when trying to pull data from Kafka:
> {code}
> 2017-06-08 14:54:12,499 ERROR [Timer-Driven Process Thread-22]
> o.a.n.p.k.pubsub.ConsumeKafkaRecord_0_10
> ConsumeKafkaRecord_0_10[id=84480f03-015c-1000-4aab-9a035812bb86] Exception
> while processing data from kafka so will close the lease
> org.apache.nifi.processors.kafka.pubsub.ConsumerPool$SimpleConsumerLease@6c39d011
> due to org.apache.nifi.processor.exception.ProcessException:
> java.lang.NullPointerException:
> org.apache.nifi.processor.exception.ProcessException:
> java.lang.NullPointerException
> org.apache.nifi.processor.exception.ProcessException:
> java.lang.NullPointerException
> at
> org.apache.nifi.processors.kafka.pubsub.ConsumerLease.writeRecordData(ConsumerLease.java:514)
> at
> org.apache.nifi.processors.kafka.pubsub.ConsumerLease.lambda$processRecords$2(ConsumerLease.java:320)
> at
> java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1540)
> at
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
> at
> org.apache.nifi.processors.kafka.pubsub.ConsumerLease.processRecords(ConsumerLease.java:307)
> at
> org.apache.nifi.processors.kafka.pubsub.ConsumerLease.poll(ConsumerLease.java:168)
> at
> org.apache.nifi.processors.kafka.pubsub.ConsumeKafkaRecord_0_10.onTrigger(ConsumeKafkaRecord_0_10.java:327)
> at
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1120)
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:147)
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:132)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.nifi.processors.kafka.pubsub.ConsumerLease.writeRecordData(ConsumerLease.java:458)
> ... 18 common frames omitted
> {code}
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