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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2305) Client port for ZK has no default
Date Sat, 13 Mar 2010 23:44:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844987#action_12844987
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Jean-Daniel Cryans commented on HBASE-2305:
-------------------------------------------

Some comments:

- ZK_CFG_PROPERTY + "clientPort", should be made static final
- This should really be 1 line:

{code}
+      int clientPortValue = HQuorumPeer.DEFAULT_ZOOKEPER_CLIENT_PORT;
+      zkProperties.put(clientPortKey, Integer.valueOf(clientPortValue))
{code}
- assignDefaultsForMissingProperties is a bit misleading, put all the other missing properties
in there if there's any. If not, don't create a new method just for that.
- No need to call Integer.valueOf on ints.

Thx for looking at this Suraj!

> Client port for ZK has no default
> ---------------------------------
>
>                 Key: HBASE-2305
>                 URL: https://issues.apache.org/jira/browse/HBASE-2305
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.20.4, 0.21.0
>
>         Attachments: HBASE-2305.patch
>
>
> From Doug Meil on the list:
> {code}
> config.set("hbase.zookeeper.property.clientPort","2181");
> This is consistent with other references to the importance of "hbase.zookeeper.quorum"
except that we did this testing with the intent of connecting using only parameters set in
code to eliminate any classpath issues with XML files.
> FYI... If the last parameter isn't set you'll get the following error....       could
this be defaulted to a reasonable value?
> 10/03/09 10:04:55 ERROR zookeeper.ZooKeeperWrapper: no clientPort found in zoo.cfg
> Exception in thread "main" java.io.IOException: Could not read quorum servers from zoo.cfg
>      at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.<init>(ZooKeeperWrapper.java:85)
>      at org.apache.hadoop.hbase.client.HConnectionManager$ClientZKWatcher.getZooKeeperWrapper(HConnectionManager.java:223)
>      at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getZooKeeperWrapper(HConnectionManager.java:932)
>      at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:948)
>      at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:625)
> {code}
> It should be easy to set it to 2181 along with the other port settings in HQuorumPeer.

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