Hi
Could I have some advice for the following exception please, is this
related to the "ChannelException: Cannot acquire capacity" which I
experience from time to time
2012-10-02 09:16:53,563 ERROR [Log-BackgroundWorker] Log.java - General
error in checkpoint worker
java.lang.NullPointerException
at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:738)
at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:692)
at org.apache.flume.channel.file.Log.access$300(Log.java:57)
at org.apache.flume.channel.file.Log$BackgroundWorker.run(Log.java:892)
2012-10-02 09:16:56,317 ERROR
[SinkRunner-PollingRunner-DefaultSinkProcessor] HDFSEventSink.java -
process failed
java.lang.NullPointerException: LogFile is null for id 1
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
at org.apache.flume.channel.file.Log.get(Log.java:316)
at
org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doTake(FileChannel.java:373)
at
org.apache.flume.channel.BasicTransactionSemantics.take(BasicTransactionSemantics.java:113)
at
org.apache.flume.channel.BasicChannelSemantics.take(BasicChannelSemantics.java:91)
at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:383)
at
org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
at java.lang.Thread.run(Thread.java:662)
2012-10-02 09:16:56,318 ERROR
[SinkRunner-PollingRunner-DefaultSinkProcessor] SinkRunner.java - Unable to
deliver event. Exception follows.
org.apache.flume.EventDeliveryException: java.lang.NullPointerException:
LogFile is null for id 1
at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:450)
at
org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException: LogFile is null for id 1
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
at org.apache.flume.channel.file.Log.get(Log.java:316)
at
org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doTake(FileChannel.java:373)
at
org.apache.flume.channel.BasicTransactionSemantics.take(BasicTransactionSemantics.java:113)
at
org.apache.flume.channel.BasicChannelSemantics.take(BasicChannelSemantics.java:91)
at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:383)
... 3 more
2012-10-02 09:16:56,625 ERROR [Log-BackgroundWorker] Log.java - General
error in checkpoint worker
java.lang.NullPointerException
at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:738)
at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:692)
at org.apache.flume.channel.file.Log.access$300(Log.java:57)
at org.apache.flume.channel.file.Log$BackgroundWorker.run(Log.java:892)
2012-10-02 09:16:59,678 ERROR [Log-BackgroundWorker] Log.java - General
error in checkpoint worker
java.lang.NullPointerException
at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:738)
at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:692)
at org.apache.flume.channel.file.Log.access$300(Log.java:57)
at org.apache.flume.channel.file.Log$BackgroundWorker.run(Log.java:892)
2012-10-02 09:17:01,318 ERROR
[SinkRunner-PollingRunner-DefaultSinkProcessor] HDFSEventSink.java -
process failed
java.lang.NullPointerException: LogFile is null for id 1
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
at org.apache.flume.channel.file.Log.get(Log.java:316)
at
org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doTake(FileChannel.java:373)
at
org.apache.flume.channel.BasicTransactionSemantics.take(BasicTransactionSemantics.java:113)
at
org.apache.flume.channel.BasicChannelSemantics.take(BasicChannelSemantics.java:91)
at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:383)
at
org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
at java.lang.Thread.run(Thread.java:662)
2012-10-02 09:17:01,318 ERROR
[SinkRunner-PollingRunner-DefaultSinkProcessor] SinkRunner.java - Unable to
deliver event. Exception follows.
org.apache.flume.EventDeliveryException: java.lang.NullPointerException:
LogFile is null for id 1
at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:450)
at
org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException: LogFile is null for id 1
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
at org.apache.flume.channel.file.Log.get(Log.java:316)
at
org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doTake(FileChannel.java:373)
at
org.apache.flume.channel.BasicTransactionSemantics.take(BasicTransactionSemantics.java:113)
at
org.apache.flume.channel.BasicChannelSemantics.take(BasicChannelSemantics.java:91)
at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:383)
... 3 more
--
Rgds
Ray
