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https://issues.apache.org/jira/browse/FLUME-1420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brock Noland resolved FLUME-1420.
---------------------------------
Resolution: Fixed
Fix Version/s: v1.3.0
Committed here
https://git-wip-us.apache.org/repos/asf?p=flume.git;a=commit;h=e01403004af5aa5964f1df3312549c7bb9e2c686
Thank you for your contribution Patrick!
> Exception should be thrown if we cannot instaniate an EventSerializer
> ---------------------------------------------------------------------
>
> Key: FLUME-1420
> URL: https://issues.apache.org/jira/browse/FLUME-1420
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: v1.2.0
> Reporter: Brock Noland
> Assignee: Patrick Wendell
> Fix For: v1.3.0
>
> Attachments: FLUME-1420.patch.v1.txt, FLUME-1420.patch.v2.txt
>
>
> Currently EventSerailizerFactory returns null if it cannot instantiate the
> class. Then the caller NPEs because they don't expect null. If we cannot
> satisfy the caller we should throw an exception
> {noformat}
> 2012-08-02 16:38:26,489 ERROR serialization.EventSerializerFactory: Unable to
> instantiate Builder from
> org.apache.flume.serialization.BodyTextEventSerializer
> 2012-08-02 16:38:26,490 WARN hdfs.HDFSEventSink: HDFS IO error
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.flume.sink.hdfs.BucketWriter.doOpen(BucketWriter.java:202)
> at
> org.apache.flume.sink.hdfs.BucketWriter.access$000(BucketWriter.java:48)
> at
> org.apache.flume.sink.hdfs.BucketWriter$1.run(BucketWriter.java:155)
> at
> org.apache.flume.sink.hdfs.BucketWriter$1.run(BucketWriter.java:152)
> at
> org.apache.flume.sink.hdfs.BucketWriter.runPrivileged(BucketWriter.java:125)
> at org.apache.flume.sink.hdfs.BucketWriter.open(BucketWriter.java:152)
> at
> org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:307)
> at
> org.apache.flume.sink.hdfs.HDFSEventSink$1.call(HDFSEventSink.java:717)
> at
> org.apache.flume.sink.hdfs.HDFSEventSink$1.call(HDFSEventSink.java:714)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
> at
> org.apache.flume.sink.hdfs.HDFSDataStream.open(HDFSDataStream.java:75)
> at
> org.apache.flume.sink.hdfs.BucketWriter.doOpen(BucketWriter.java:188)
> ... 13 more
> {noformat}
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