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https://issues.apache.org/jira/browse/RANGER-325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14376194#comment-14376194
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Don Bosco Durai commented on RANGER-325:
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I have seen similar issues with HiveServer2 also. Particularly when the JDBC
URL is incorrect. E.g SASL v/s NOSASL.
I think we should do the check in another thread and kill the thread if it
doesn't respond back in timely fashion.
> UI become unresponsive if hbase is not properly configured
> ----------------------------------------------------------
>
> Key: RANGER-325
> URL: https://issues.apache.org/jira/browse/RANGER-325
> Project: Ranger
> Issue Type: Bug
> Reporter: Hanish Bansal
>
> If hbase is not running or repository is not properly configured like value
> of "zookeeper.znode.parent" is wrong then UI become unresponsive after call
> for auto-complete of hbase resources.
> Steps:
> 1. Create a hbase repository with hbase not running.
> 2. Add a new Policy with some manually entered table.
> 3. Go to edit repository and save changes.
> After this step UI becomes unresponsive. Only workaround to make UI stable is
> "RESTART" the admin ui.
> Error logs in xa_portal.log file:
> {quote}
> er. Check the value configured in 'zookeeper.znode.parent'. There could be a
> mismatch with the one configured in the master.
> 2015-03-23 16:14:24,420 [http-bio-6080-exec-4] ERROR
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation
> (ConnectionManager.java:835) - The node /hbase22 is not in ZooKeeper. It
> should have been written by the master. Check the value configured in
> 'zookeeper.znode.parent'. There could be a mismatch with the one configured
> in the master.
> 2015-03-23 16:14:43,302 [http-bio-6080-exec-10] ERROR
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation
> (ConnectionManager.java:835) - The node /hbase22 is not in ZooKeeper. It
> should have been written by the master. Check the value configured in
> 'zookeeper.znode.parent'. There could be a mismatch with the one configured
> in the master.
> 2015-03-23 16:14:44,498 [http-bio-6080-exec-4] ERROR
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation
> (ConnectionManager.java:835) - The node /hbase22 is not in ZooKeeper. It
> should have been written by the master. Check the value configured in
> 'zookeeper.znode.parent'. There could be a mismatch with the one configured
> in the master.
> {quote}
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