Hi Doug,
In my opinion, when using HBase Java API, you should put hbase-site.xml in
classpath. Set the parameter in hase-site.xml. Hard coding the parameters is
not a good idea.
On Tue, Mar 9, 2010 at 7:09 AM, Doug Meil <doug.m...@explorysmedical.com>wrote:
> Greetings-
>
> The question of HBase client remote configuration (i.e., the client is not
> running on the same machine as the HBase master) comes up periodically on
> these dist-lists and a common theme is a lack of documentation on exactly
> what it takes to configure a remote client connection.
>
> After some trial and error, this seems to be the absolute minimum number of
> parameters required for connecting to a remote HBase instance (tested with
> HBase 0.20.3).
>
> HBaseConfiguration config = new HBaseConfiguration();
> config.clear();
> config.set("hbase.zookeeper.quorum", "server");
> 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)
>
>
> Doug Meil
> Director of Engineering
> doug.m...@explorys.net
>
>
--
Best Regards
Jeff Zhang
