Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hadoop >> mail # dev >> hadoop JobTRACKER error HELP!!!


Copy link to this message
-
Re: hadoop JobTRACKER error HELP!!!
The following command will switch off safemode.

./hadoop dfsadmin -safemode leave

On Thu, Aug 5, 2010 at 12:02 AM, Ahmad Shahzad <[EMAIL PROTECTED]> wrote:

> Hi ALL,
>           I am getting this error in JobTracker's log file. But when i
> format my namenode the error doesnt comes. But i can run hadoop only once.
> If i run it the second time the same error comes. Any clues??
> Also, i have put nothing in HDFS right now. I just start all the processes
> and the error comes.
>
> INFO org.apache.hadoop.mapred.JobTracker: problem cleaning system
> directory:
> hdfs://localhost:54310/usr/local/hadoop-datastore/hadoop-hadoop/m$
> org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete
> /usr/local/hadoop-datastore/hadoop-hadoop/mapred/system$
> The ratio of reported blocks 0.0000 has not reached the threshold 0.9990.
> Safe mode will be turned off automatically.
>        at
>
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesystem.java:1700)
>        at
>
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:1680)
>        at
> org.apache.hadoop.hdfs.server.namenode.NameNode.delete(NameNode.java:517)
>        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.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)
>
>        at org.apache.hadoop.ipc.Client.call(Client.java:740)
>        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:221)
>        at $Proxy4.delete(Unknown Source)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
>
> Ahmad
>

--
~Rajesh.B
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB