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https://issues.apache.org/jira/browse/FLUME-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brock Noland updated FLUME-1131:
--------------------------------

    Attachment: FLUME-1131-0.patch

Patch from RB
                
> ChannelProcessor does not handle transactions appropriately
> -----------------------------------------------------------
>
>                 Key: FLUME-1131
>                 URL: https://issues.apache.org/jira/browse/FLUME-1131
>             Project: Flume
>          Issue Type: Bug
>    Affects Versions: v1.1.0
>            Reporter: Brock Noland
>         Attachments: FLUME-1131-0.patch
>
>
> If an Exception is thrown in ChannelProcessor.processEvent whilst getting an 
> exception, tx will be null and when rollback is called on tx, an NPE will be 
> thrown.
> {noformat}
> 12/04/18 19:03:17 ERROR source.PollableSourceRunner: Unhandled exception, 
> logging and sleeping for 5000ms
> java.lang.NullPointerException
>       at 
> org.apache.flume.channel.ChannelProcessor.processEvent(ChannelProcessor.java:183)
>       at 
> org.apache.flume.source.SequenceGeneratorSource.process(SequenceGeneratorSource.java:48)
>       at 
> org.apache.flume.source.PollableSourceRunner$PollingRunner.run(PollableSourceRunner.java:131)
>       at java.lang.Thread.run(Thread.java:662)
> {noformat}

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