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https://issues.apache.org/jira/browse/FLUME-2620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15415920#comment-15415920
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Mike Percy commented on FLUME-2620:
-----------------------------------
[~neerjakhattar]: See my comment on reviewboard from a few weeks ago. Here is
what I wrote: This doesn't look like it changes the file channel at all. Isn't
that the underlying issue? Couldn't the FileChannel allow a null value in a
header, or treat it as an empty string? Maybe that would be a cleaner solution.
> File channel throws NullPointerException if a header value is null
> ------------------------------------------------------------------
>
> Key: FLUME-2620
> URL: https://issues.apache.org/jira/browse/FLUME-2620
> Project: Flume
> Issue Type: Bug
> Components: File Channel
> Reporter: Santiago M. Mola
> Assignee: Neerja Khattar
> Attachments: FLUME-2620-0.patch, FLUME-2620-1.patch,
> FLUME-2620-2.patch, FLUME-2620-3.patch, FLUME-2620-4.patch, FLUME-2620.patch,
> FLUME-2620.patch
>
>
> File channel throws NullPointerException if a header value is null.
> If this is intended, it should be reported correctly in the logs.
> Sample trace:
> org.apache.flume.ChannelException: Unable to put batch on required channel:
> FileChannel chan { dataDirs: [/var/lib/ingestion-csv/chan/data] }
> at
> org.apache.flume.channel.ChannelProcessor.processEventBatch(ChannelProcessor.java:200)
> at
> org.apache.flume.source.SpoolDirectorySource$SpoolDirectoryRunnable.run(SpoolDirectorySource.java:236)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> at
> org.apache.flume.channel.file.proto.ProtosFactory$FlumeEventHeader$Builder.setValue(ProtosFactory.java:7415)
> at org.apache.flume.channel.file.Put.writeProtos(Put.java:85)
> at
> org.apache.flume.channel.file.TransactionEventRecord.toByteBuffer(TransactionEventRecord.java:174)
> at org.apache.flume.channel.file.Log.put(Log.java:622)
> at
> org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doPut(FileChannel.java:469)
> at
> org.apache.flume.channel.BasicTransactionSemantics.put(BasicTransactionSemantics.java:93)
> at
> org.apache.flume.channel.BasicChannelSemantics.put(BasicChannelSemantics.java:80)
> at
> org.apache.flume.channel.ChannelProcessor.processEventBatch(ChannelProcessor.java:189)
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