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From Harsh J <ha...@cloudera.com>
Subject Re: Error While using hbase with hadoop
Date Thu, 26 Jan 2012 17:55:29 GMT
Try the options listed here:
http://wiki.apache.org/hadoop/FAQ#What_does_.22file_could_only_be_replicated_to_0_nodes.2C_instead_of_1.22_mean.3F

On Thu, Jan 26, 2012 at 10:47 PM, neuron005 <neuron005@gmail.com> wrote:
>
> Hii there
> I earlier used hbase locally , using my ext3 as filesystem for hbase. That
> worked ok :) . Now I moved on to next step of setting it up on hdfs. I am
> using hadoop-0.20.2 and hbase0.90.4 in pseudo distributed mode
> I an getting this error in my log
>
> 2012-01-26 22:37:50,629 DEBUG org.apache.hadoop.hbase.util.FSUtils: Created
> version file at hdfs://89neuron:9000/hbase set its version at:7
> 2012-01-26 22:37:50,637 WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer
> Exception: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File
> /hbase/hbase.version could only be replicated to 0 nodes, instead of 1
>        at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1271)
>        at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:616)
>        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAs(Subject.java:416)
>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
>
>        at org.apache.hadoop.ipc.Client.call(Client.java:740)
>        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
>        at $Proxy6.addBlock(Unknown Source)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:616)
>        at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
>        at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
>        at $Proxy6.addBlock(Unknown Source)
>        at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2937)
>        at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2819)
>        at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102)
>        at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288)
>
> 2012-01-26 22:37:50,638 WARN org.apache.hadoop.hdfs.DFSClient: Error
> Recovery for block null bad datanode[0] nodes == null
> 2012-01-26 22:37:50,638 WARN org.apache.hadoop.hdfs.DFSClient: Could not get
> block locations. Source file "/hbase/hbase.version" - Aborting...
> 2012-01-26 22:37:50,638 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to
> create version file at hdfs://89neuron:9000/hbase, retrying:
> java.io.IOException: File /hbase/hbase.version could only be replicated to 0
> nodes, instead of 1
>        at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1271)
>        at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:616)
>        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAs(Subject.java:416)
>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
>
> Looks like that dfs.replication which is set to 1 is the problem but I can
> not confirm it actually is. Please help me out.
> Thanks in advance
> --
> View this message in context: http://old.nabble.com/Error-While-using-hbase-with-hadoop-tp33208913p33208913.html
> Sent from the HBase User mailing list archive at Nabble.com.
>



-- 
Harsh J
Customer Ops. Engineer, Cloudera

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