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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: hbase export in cluster mode
Date Thu, 08 Apr 2010 22:03:13 GMT
Zookeeper jar isn't in the path of hadoop?

btw https://issues.apache.org/jira/browse/HBASE-2335

J-D

On Thu, Apr 8, 2010 at 2:58 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> I ran hbase export in cluster mode.
>
> From Saturn:
> 10/04/07 14:18:22 INFO zookeeper.ClientCnxn: zookeeper.
> disableAutoWatchReset is false
> 10/04/07 14:18:22 INFO zookeeper.ClientCnxn: Attempting connection to server
> uranus/10.10.31.18:2181
> 10/04/07 14:18:22 INFO zookeeper.ClientCnxn: Priming connection to
> java.nio.channels.SocketChannel[connected local=/10.10.31.16:34170remote=uranus/
> 10.10.31.18:2181]
> 10/04/07 14:18:22 INFO zookeeper.ClientCnxn: Server connection successful
> 10/04/07 14:18:22 INFO mapreduce.TableInputFormatBase: split: 0*->Neptune*:,
> 10/04/07 14:18:23 INFO mapred.JobClient: Running job: job_201004051529_0015
> 10/04/07 14:18:24 INFO mapred.JobClient:  map 0% reduce 0%
> 10/04/07 14:18:36 INFO mapred.JobClient: Task Id :
> attempt_201004051529_0015_m_000000_0, Status : FAILED
> Error: java.lang.ClassNotFoundException: org.apache.zookeeper.Watcher
>        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
>        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
>        at java.lang.ClassLoader.defineClass1(Native Method)
>        at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
>        at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
>        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>        at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
>        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
>        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager.getClientZooKeeperWatcher(HConnectionManager.java:151)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getZooKeeperWrapper(HConnectionManager.java:885)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:901)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:580)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:556)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:630)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:589)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:556)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:630)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:593)
>        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:556)
>        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:127)
>        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:105)
>        at
> org.apache.hadoop.hbase.mapreduce.TableInputFormat.setConf(TableInputFormat.java:73)
>        at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62)
>        at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
>        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:536)
>        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
>        at org.apache.hadoop.mapred.Child.main(Child.java:170)
>
> I wonder why the above exception was thrown because we have same hbase
> deployment on all the servers:
> [root@neptune software]# ls -l lib/zookeeper-3.2.1.jar
> -rwxr-xr-x 1 hbaseadmin hbaseadmin 913093 Oct  7 11:55
> lib/zookeeper-3.2.1.jar
>
> Can someone shed some light on how to get over the above exception ?
>
> Thanks
>

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