[jira] Resolved: (HBASE-3576) MasterAddressTracker is registered to ZooKeeperWatcher twice

["stack (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-3576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-3576.
--------------------------

    Resolution: Fixed

I committed this change.  Thanks for reporting the issue Kazuki:

{code}
Index: src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
===================================================================
--- src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java        (revision 1074909)
+++ src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java        (working copy)
@@ -300,7 +300,6 @@
       // initialize zookeeper and master address manager
       this.zooKeeper = getZooKeeperWatcher();
       masterAddressTracker = new MasterAddressTracker(this.zooKeeper, this);
-      zooKeeper.registerListener(masterAddressTracker);
       masterAddressTracker.start();
 
       this.rootRegionTracker = new RootRegionTracker(this.zooKeeper, this);
{code}

> MasterAddressTracker is registered to ZooKeeperWatcher twice
> ------------------------------------------------------------
>
>                 Key: HBASE-3576
>                 URL: https://issues.apache.org/jira/browse/HBASE-3576
>             Project: HBase
>          Issue Type: Improvement
>          Components: client
>            Reporter: Kazuki Ohta
>            Assignee: Kazuki Ohta
>         Attachments: HBASE3576-1.txt
>
>
> At setupZooKeeperTrackers() in HConnectionManager.java, MasterAddressTracker is registered twice to ZooKeeperWatcher.
> This causes the events are passed twice to the tracker, although this causes no actual problems.

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