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Posted to common-dev@hadoop.apache.org by "Hairong Kuang (JIRA)" <ji...@apache.org> on 2007/05/01 01:49:15 UTC
[jira] Updated: (HADOOP-1118) NullPointerException in
DistributedFileSystem$RawDistributedFileSystem.reportChecksumFailure
[ https://issues.apache.org/jira/browse/HADOOP-1118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hairong Kuang updated HADOOP-1118:
----------------------------------
Attachment: NPEChecksum.patch
updating the patch...
> NullPointerException in DistributedFileSystem$RawDistributedFileSystem.reportChecksumFailure
> --------------------------------------------------------------------------------------------
>
> Key: HADOOP-1118
> URL: https://issues.apache.org/jira/browse/HADOOP-1118
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.12.0
> Reporter: Nigel Daley
> Assigned To: Hairong Kuang
> Attachments: NPEChecksum.patch
>
>
> I saw one NullPointerException in the JT log during a large sort run:
> 2007-03-14 08:36:10,210 INFO org.apache.hadoop.mapred.TaskInProgress: Error from task_0002_m_037315_1: java.lang.NullPointerException
> at org.apache.hadoop.dfs.DistributedFileSystem$RawDistributedFileSystem.reportChecksumFailure(DistributedFileSystem.java:326)
> at org.apache.hadoop.dfs.DistributedFileSystem.reportChecksumFailure(DistributedFileSystem.java:405)
> at org.apache.hadoop.fs.ChecksumFileSystem$FSInputChecker.verifySum(ChecksumFileSystem.java:253)
> at org.apache.hadoop.fs.ChecksumFileSystem$FSInputChecker.readBuffer(ChecksumFileSystem.java:211)
> at org.apache.hadoop.fs.ChecksumFileSystem$FSInputChecker.read(ChecksumFileSystem.java:167)
> at org.apache.hadoop.fs.FSDataInputStream$PositionCache.read(FSDataInputStream.java:41)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
> at java.io.DataInputStream.readFully(DataInputStream.java:178)
> at java.io.DataInputStream.readFully(DataInputStream.java:152)
> at org.apache.hadoop.io.SequenceFile$Reader.sync(SequenceFile.java:1712)
> at org.apache.hadoop.mapred.SequenceFileRecordReader.<init>(SequenceFileRecordReader.java:45)
> at org.apache.hadoop.mapred.SequenceFileInputFormat.getRecordReader(SequenceFileInputFormat.java:55)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:139)
> at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1445)
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