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Date: Wed, 4 Jul 2012 01:17:34 +0000 (UTC)
From: "Aaron T. Myers (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: <1776944113.1629.1341364654820.JavaMail.jiratomcat@issues-vm>
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Subject: [jira] [Resolved] (MAPREDUCE-4390) java.io.IOException: File
 /user/XXXX/QuasiMonteCarlo_TMP_3_141592654/in/part0 could only be
 replicated to 0 nodes instead of minReplication (=1).  There are 0
 datanode(s) running and no node(s) are excluded in this operation.
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-4390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aaron T. Myers resolved MAPREDUCE-4390.
---------------------------------------

    Resolution: Invalid

Hi Srikanth, the Apache JIRA is for tracking established bugs or improvements. This looks like an operational issue. Specifically, it looks like you don't have any DNs running. I recommend you email mapreduce-user@hadoop.apache.org to get more help with this.
                
> java.io.IOException: File /user/XXXX/QuasiMonteCarlo_TMP_3_141592654/in/part0 could only be replicated to 0 nodes instead of minReplication (=1).  There are 0 datanode(s) running and no node(s) are excluded in this operation.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4390
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4390
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: examples, job submission, mrv2
>    Affects Versions: 0.23.0
>         Environment: Ubuntu Server 11.04
>            Reporter: srikanth ayalasomayajulu
>              Labels: hadoop
>             Fix For: 0.23.0
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> Tried to run an example program on hadoop0.23.0 and getting the following error.
> error:
> java.io.IOException: File /user/XXXXX/QuasiMonteCarlo_TMP_3_141592654/in/part0 could only be replicated to 0 nodes instead of minReplication (=1).  There are 0 datanode(s) running and no node(s) are excluded in this operation.
>         at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1181)
>         at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1486)
>         at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:390)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:365)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1490)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1486)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1152)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1484)

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