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From "Victor" <vlyamt...@mzeal.com>
Subject security.UserGroupInformation
Date Fri, 17 Oct 2014 15:56:07 GMT
I have cluster running (2.0.6-alpha), but when I try to run mapreduce (
"wordcount" example as "root" ) on master node, I have the following
exception:

 

14/10/17 10:42:49 ERROR security.UserGroupInformation:
PriviledgedActionException as:root (auth:SIMPLE)
cause:org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.na
menode.SafeModeException): Cannot delete
/user/root/.staging/job_1413559064578_0003. Name node is in safe mode.
The reported blocks 0 needs additional 13 blocks to reach the threshold
0.9990 of total blocks 13. Safe mode will be turned off automatically.
    at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesys
tem.java:2741)
    at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInt(FSNamesystem.j
ava:2709)
    at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java
:2696)
    at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcS
erver.java:632)
    at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslator
PB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:451)
    at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNam
enodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:40758)
    at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(Proto
bufRpcEngine.java:454)
    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1014)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1741)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1737)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.ja
va:1478)
    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1735)

 

 

Any help would be greatly appreciated. Thanks.


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