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From "dragon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10161) CLONE - Erasure coding: MapReduce job failed when I set the / folder to the EC zone
Date Tue, 15 Mar 2016 08:17:35 GMT
dragon created HDFS-10161:
-----------------------------

             Summary: CLONE - Erasure coding: MapReduce job failed when I set the / folder
to the EC zone 
                 Key: HDFS-10161
                 URL: https://issues.apache.org/jira/browse/HDFS-10161
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: erasure-coding
    Affects Versions: 3.0.0
            Reporter: dragon


Test progress is as follows
 * For a new cluster, I format the namenode and then start HDFS service.
 * After HDFS service is started, there is no files in  HDFS and set the / folder to the EC
zone. the EC zone is created successfully.
 * Start the yarn and mr JobHistoryServer services. All the services start successfully.
 * Then run hadoop example pi program and it failed.

The following is the exception.
{noformat}
 ```
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.UnsupportedActionException):
Cannot set replication to a file with striped blocks
	at org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.unprotectedSetReplication(FSDirAttrOp.java:391)
	at org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.setReplication(FSDirAttrOp.java:151)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setReplication(FSNamesystem.java:2231)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.setReplication(NameNodeRpcServer.java:682)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.setReplication(ClientNamenodeProtocolServerSideTranslatorPB.java:445)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:976)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2171)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2167)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1666)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2165)

```
{noformat}





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