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From "Aleksandr Shulman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9223) HBase ZKCli gives error because it is looking for class removed in 0.95: org.apache.hadoop.hbase.zookeeper.ZooKeeperMainServerArg
Date Wed, 14 Aug 2013 23:13:47 GMT
Aleksandr Shulman created HBASE-9223:
----------------------------------------

             Summary: HBase ZKCli gives error because it is looking for class removed in 0.95:
org.apache.hadoop.hbase.zookeeper.ZooKeeperMainServerArg
                 Key: HBASE-9223
                 URL: https://issues.apache.org/jira/browse/HBASE-9223
             Project: HBase
          Issue Type: Bug
          Components: util, Zookeeper
    Affects Versions: 0.95.2
            Reporter: Aleksandr Shulman
             Fix For: 0.95.2


Observed behavior:

Command: hbase zkcli
There is an error message about a missing class:
{code}[root@data-compat-3 hbase]# hbase zkcli
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/zookeeper/ZooKeeperMainServerArg
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.zookeeper.ZooKeeperMainServerArg
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
{code}

It looks like this class is no longer in 0.95. 
ZKCli still continues in its startup and continues working (at least reads continue to work)

Expected behavior:
HBase Zkcli should not be looking for classes that are no longer part of HBase. This indicates
an underlying issue.

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