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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8220) Erasure Coding: StripedDataStreamer fails to handle the blocklocations which doesn't satisfy BlockGroupSize
Date Wed, 22 Apr 2015 09:31:59 GMT
Rakesh R created HDFS-8220:
------------------------------

             Summary: 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


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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