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https://issues.apache.org/jira/browse/NIFI-899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15189797#comment-15189797
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Joseph Witt commented on NIFI-899:
----------------------------------
reviewing now
> ListenUDP attempts to transfer a FlowFile that is no longer part of the
> session
> -------------------------------------------------------------------------------
>
> Key: NIFI-899
> URL: https://issues.apache.org/jira/browse/NIFI-899
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Fix For: 0.6.0
>
>
> While testing ListenUDP receiving events from syslogd, started and stopped
> the processor a few times, and eventually got this error:
> {code}
> 2015-08-27 13:26:36,210 ERROR [Timer-Driven Process Thread-2]
> o.a.nifi.processors.standard.ListenUDP
> [ListenUDP[id=4ceafe26-5f31-4f94-bf86-1c327db11b7e]] Failed to transfer flow
> files or commit session...rolled back
> org.apache.nifi.processor.exception.FlowFileHandlingException:
> StandardFlowFileRecord[uuid=746c09c2-c150-4007-8107-b0b5eb9ecc5b,claim=org.apache.nifi.controller.repository.claim.StandardContentClaim@fb2f16f4,offset=0,name=141981000764924,size=140]
> is not known to StandardProcessSession[id=4808]
> at
> org.apache.nifi.controller.repository.StandardProvenanceReporter.verifyFlowFileKnown(StandardProvenanceReporter.java:97)
> ~[na:na]
> at
> org.apache.nifi.controller.repository.StandardProvenanceReporter.receive(StandardProvenanceReporter.java:123)
> ~[na:na]
> at
> org.apache.nifi.controller.repository.StandardProvenanceReporter.receive(StandardProvenanceReporter.java:118)
> ~[na:na]
> at
> org.apache.nifi.controller.repository.StandardProvenanceReporter.receive(StandardProvenanceReporter.java:113)
> ~[na:na]
> at
> org.apache.nifi.controller.repository.StandardProvenanceReporter.receive(StandardProvenanceReporter.java:103)
> ~[na:na]
> at
> org.apache.nifi.processors.standard.ListenUDP.transferFlowFiles(ListenUDP.java:515)
> [nifi-standard-processors-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at
> org.apache.nifi.processors.standard.ListenUDP.onTrigger(ListenUDP.java:497)
> [nifi-standard-processors-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1077)
> [nifi-framework-core-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:127)
> [nifi-framework-core-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:49)
> [nifi-framework-core-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:119)
> [nifi-framework-core-0.3.0-SNAPSHOT.jar:0.3.0-SNAPSHOT]
> at
> java.util.concurrent.Executors$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]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_45]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_45]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
> {code}
> The only configuration set on the processor was the Port and FlowFile Per
> Datagram to true, everything else was defaults.
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