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Posted to user@hbase.apache.org by Shuja Rehman <sh...@gmail.com> on 2010/08/25 13:10:23 UTC

Error: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException

Hi All

I am trying to run map reduce job which gets data from hdfs and will put in
hbase. But when i run this job then i am getting these exceptions

Error: java.lang.ClassNotFoundException:
org.apache.zookeeper.KeeperException
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at
org.apache.hadoop.hbase.client.HConnectionManager.getClientZooKeeperWatcher(HConnectionManager.java:176)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getZooKeeperWrapper(HConnectionManager.java:1048)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:1064)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:668)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:644)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:770)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:673)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:644)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:770)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:677)
    at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:644)
    at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:134)
    at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:111)
    at
org.apache.hadoop.hbase.mapreduce.TableOutputFormat.getRecordWriter(TableOutputFormat.java:142)
    at
org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.<init>(MapTask.java:488)
    at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:610)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
    at org.apache.hadoop.mapred.Child.main(Child.java:170)



Anybody there who know the solution?????????????
Thanks in advance

-- 
Regards
Shuja-ur-Rehman Baig
http://pk.linkedin.com/in/shujamughal
Cell: +92 3214207445

Re: Error: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException

Posted by Luke Forehand <lu...@networkedinsights.com>.
Shuja Rehman <sh...@...> writes:

> 

> Error: java.lang.ClassNotFoundException:
> org.apache.zookeeper.KeeperException
>     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>     at

Make sure zookeeper jar is packed in your job jar, or on the hadoop classpath,
and that hbase-site.xml is also on your hadoop classpath.

-Luke

Re: Error: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException

Posted by Stack <st...@duboce.net>.
What Luke says.  This might help:
http://hbase.apache.org/docs/r0.20.6/api/org/apache/hadoop/hbase/mapreduce/package-summary.html#package_description
St.Ack

On Wed, Aug 25, 2010 at 4:10 AM, Shuja Rehman <sh...@gmail.com> wrote:
> Hi All
>
> I am trying to run map reduce job which gets data from hdfs and will put in
> hbase. But when i run this job then i am getting these exceptions
>
> Error: java.lang.ClassNotFoundException:
> org.apache.zookeeper.KeeperException
>    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>    at java.security.AccessController.doPrivileged(Native Method)
>    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager.getClientZooKeeperWatcher(HConnectionManager.java:176)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getZooKeeperWrapper(HConnectionManager.java:1048)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:1064)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:668)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:644)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:770)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:673)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:644)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:770)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:677)
>    at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:644)
>    at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:134)
>    at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:111)
>    at
> org.apache.hadoop.hbase.mapreduce.TableOutputFormat.getRecordWriter(TableOutputFormat.java:142)
>    at
> org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.<init>(MapTask.java:488)
>    at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:610)
>    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
>    at org.apache.hadoop.mapred.Child.main(Child.java:170)
>
>
>
> Anybody there who know the solution?????????????
> Thanks in advance
>
> --
> Regards
> Shuja-ur-Rehman Baig
> http://pk.linkedin.com/in/shujamughal
> Cell: +92 3214207445
>