flume-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From shekhar sharma <shekhar2...@gmail.com>
Subject Re: Hadoop restart issue
Date Thu, 05 Jul 2012 10:06:40 GMT
Is the namenode is in the safe mode? Run the below command to make hadoop
come out of safe mode
dfsadmin -safemode leave

post this question in Hadoop user list.

Regards,
Som

On Thu, Jul 5, 2012 at 2:42 PM, vijay k <k.vijay52@gmail.com> wrote:

> Hi Users list,
>
> I did the following scripts for restaring the system.
>
> 1.stop-dfs.sh
> 2.stop-mapred.sh
> 3.start-dfs.sh
> 4.start-mapred.sh
>
> master:
> hduser@md-trngpoc1:/usr/local/hadoop/bin$ jps
> 14454 Jps
> 18207 NameNode
> 18537 JobTracker
> 18410 SecondaryNameNode
>
> slave:
> hduser@md-trngpoc2:/usr/local/hadoop/bin$ jps
> 28038 Jps
> 23199 TaskTracker
> 23125 DataNode
>
> Here, I am trying to view the hive table, i am not able to view the table,
> getting following error
>
>
>
> Error:
> ===============
>
> java.io.IOException: File
> /tmp/hive-hduser/hive_2012-07-05_11-38-26_060_2347748706666350421/-ext-10000/Invoice_Details.txt
> 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.GeneratedMethodAccessor11.invoke(Unknown Source)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         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$1.run(Server.java:955)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
>
> dfsadmin -report
> =========================
>
> hduser@md-trngpoc1:/usr/local/hadoop$ bin/hadoop dfsadmin -report
> Configured Capacity: 0 (0 KB)
> Present Capacity: 0 (0 KB)
> DFS Remaining: 0 (0 KB)
> DFS Used: 0 (0 KB)
> DFS Used%: �%
> Under replicated blocks: 6802
> Blocks with corrupt replicas: 0
> Missing blocks: 0
>
> -------------------------------------------------
> Datanodes available: 0 (1 total, 1 dead)
>
> Name: 10.5.114.101:50010
> Decommission Status : Normal
> Configured Capacity: 0 (0 KB)
> DFS Used: 0 (0 KB)
> Non DFS Used: 0 (0 KB)
> DFS Remaining: 0(0 KB)
> DFS Used%: 100%
> DFS Remaining%: 0%
> Last contact: Wed Jul 04 23:58:44 IST 2012
>
> Please suggest me with out reformat the NameNode, how to resove this issue?
>
> Thanks,
> Vijay
>
>
>

Mime
View raw message