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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