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https://issues.apache.org/jira/browse/NIFI-1764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15255543#comment-15255543
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Oleg Zhurakousky commented on NIFI-1764:
----------------------------------------
[~pvillard] Could you please update the PR with what you and I have discussed
so that loop is closed? Otherwise it does appear there is an unaddressed issue
where there is none.
> NullPointerException in PutKafka for failed segments with no delimiter and
> insufficient producer handling
> ---------------------------------------------------------------------------------------------------------
>
> Key: NIFI-1764
> URL: https://issues.apache.org/jira/browse/NIFI-1764
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.0.0, 0.7.0
> Reporter: Christopher McDermott
> Assignee: Oleg Zhurakousky
> Labels: patch
> Fix For: 1.0.0, 0.7.0
>
> Attachments: 0001-NIFI-1764-numerous-edits-from-reviewing-PR-366.patch
>
>
> This NPE can happen during certain failure cases and it appears to be related
> to the lack of guarding of the failed segments attribute addition in the case
> there is no delimiter. Further, we have observed the PutKafka processor
> becoming ineffective if the established kafka client starts seeing failed
> acks/timeouts. We need to catch those cases and teardown the old client and
> create a new one instead.
> {code}
> java.lang.NullPointerException: null
> at java.lang.String.<init>(String.java:503) ~[na:1.8.0_45]
> at
> org.apache.nifi.processors.kafka.PutKafka.buildFailedFlowFileAttributes(PutKafka.java:396)
> ~[na:na]
> at org.apache.nifi.processors.kafka.PutKafka.onTrigger(PutKafka.java:308)
> ~[na:na]
> at
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> ~[nifi-api-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1059)
> ~[nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:136)
> [nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
> [nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:123)
> [nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_45]
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> [na:1.8.0_45]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> [na:1.8.0_45]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> [na:1.8.0_45]
> {code}
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