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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8220) Erasure Coding: StripedDataStreamer fails to handle the blocklocations which doesn't satisfy BlockGroupSize
Date Wed, 30 Sep 2015 17:25:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14937892#comment-14937892
] 

Hudson commented on HDFS-8220:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #473 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/473/])
HDFS-8220. Erasure Coding: StripedDataStreamer fails to handle the (zhezhang: rev b57c9a35f76612a02e16497ea92fbc3f4dc524ec)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/StripedDataStreamer.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSStripedOutputStreamWithFailure.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt


> 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
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8220-001.patch, HDFS-8220-002.patch, HDFS-8220-003.patch, HDFS-8220-004.patch,
HDFS-8220-HDFS-7285-09.patch, HDFS-8220-HDFS-7285-10.patch, HDFS-8220-HDFS-7285-merge-10.patch,
HDFS-8220-HDFS-7285.005.patch, HDFS-8220-HDFS-7285.006.patch, HDFS-8220-HDFS-7285.007.patch,
HDFS-8220-HDFS-7285.007.patch, HDFS-8220-HDFS-7285.008.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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