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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8220) Erasure Coding: StripedDataStreamer fails to handle the blocklocations which doesn't satisfy BlockGroupSize
Date Thu, 07 May 2015 07:11:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532157#comment-14532157
] 

Hadoop QA commented on HDFS-8220:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  0s | The patch command could not apply the patch during
dryrun. |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12731100/HDFS-8220-004.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 449e442 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/10842/console |


This message was automatically generated.

> Erasure Coding: StripedDataStreamer fails to handle the blocklocations which doesn't
satisfy BlockGroupSize
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8220
>                 URL: https://issues.apache.org/jira/browse/HDFS-8220
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: HDFS-8220-001.patch, HDFS-8220-002.patch, HDFS-8220-003.patch, HDFS-8220-004.patch
>
>
> During write operations {{StripedDataStreamer#locateFollowingBlock}} fails to validate
the available datanodes against the {{BlockGroupSize}}. Please see the exception to understand
more:
> {code}
> 2015-04-22 14:56:11,313 WARN  hdfs.DFSClient (DataStreamer.java:run(538)) - DataStreamer
Exception
> java.lang.NullPointerException
> 	at java.util.concurrent.LinkedBlockingQueue.offer(LinkedBlockingQueue.java:374)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.locateFollowingBlock(StripedDataStreamer.java:157)
> 	at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1332)
> 	at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:424)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.run(StripedDataStreamer.java:1)
> 2015-04-22 14:56:11,313 INFO  hdfs.MiniDFSCluster (MiniDFSCluster.java:shutdown(1718))
- Shutting down the Mini HDFS Cluster
> 2015-04-22 14:56:11,313 ERROR hdfs.DFSClient (DFSClient.java:closeAllFilesBeingWritten(608))
- Failed to close inode 16387
> java.io.IOException: DataStreamer Exception: 
> 	at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:544)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.run(StripedDataStreamer.java:1)
> Caused by: java.lang.NullPointerException
> 	at java.util.concurrent.LinkedBlockingQueue.offer(LinkedBlockingQueue.java:374)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.locateFollowingBlock(StripedDataStreamer.java:157)
> 	at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1332)
> 	at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:424)
> 	... 1 more
> {code}



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