Vinay created HDFS-5257:
---------------------------
Summary: addBlock() retry should return LocatedBlock with
locations else client will get AIOBE
Key: HDFS-5257
URL: https://issues.apache.org/jira/browse/HDFS-5257
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client, namenode
Affects Versions: 2.1.1-beta
Reporter: Vinay
Assignee: Vinay
Priority: Critical
{{addBlock()}} call retry should return the LocatedBlock with locations if the
block was created in previous call and failover/restart of namenode happened.
otherwise client will get {{ArrayIndexOutOfBoundsException}} while creating the
block and write will fail.
{noformat}java.lang.ArrayIndexOutOfBoundsException: 0
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1118)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1078)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:511){noformat}
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