ChannelProcessor needs to check for null before calling rollback
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Key: FLUME-1131
URL: https://issues.apache.org/jira/browse/FLUME-1131
Project: Flume
Issue Type: Bug
Reporter: Brock Noland
Fix For: v1.2.0
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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