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From Todd Lipcon <t...@cloudera.com>
Subject Re: Trouble with secondary indexing?
Date Tue, 16 Feb 2010 04:08:44 GMT
Hi Michael,

This question may be better suited for the HBase mailing list:

I haven't worked with the secondary indexing contrib module yet, but
here's one idea: did you try uncommenting the "export
HBASE_CLASSPATH=" line in conf/hbase-env.sh and adding the indexing
contrib module there? Also, you should point the classpath variable at
the jar itself, not just the directory in which the jar is contained.


On Mon, Feb 15, 2010 at 9:25 AM, Michael Segel
<michael_segel@hotmail.com> wrote:
> Hi, First time posting...
> Got an interesting problem with setting up secondary indexing in Hbase.
> We're running with Cloudera's distribution, and we have secondary indexing up and running
on our 'sandbox' machines.
> I'm installing it on our development cloud, and I know I did something totally 'brain
dead' but can't figure out what it is...
> (Sort of like looking for your keys and they are in plain sight on the table in front
of you...)
> We've got Hadoop up and running, and Hbase up and running without the secondary indexing.
> We've added the two properties in to the hbase-site.xml and then in our .kshrc (yes we
use ksh :-)
> I've added $HBASE_HOME/contrib/transactional to the CLASSPATH shell variable.
> The error we get is:
> 2010-02-15 08:39:30,263 ERROR org.apache.hadoop.hbase.master.HMaster: Can not start master
> java.lang.reflect.InvocationTargetException
>        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>        at org.apache.hadoop.hbase.master.HMaster.doMain(HMaster.java:1241)
>        at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:1282)
> Caused by: java.lang.UnsupportedOperationException: Unable to find region server interface
> When I look at the error, I'm thinking that I'm missing the path to the CLASS, however
on a different cluster of machines running Cloudera's +152 release (HBase-0.20.0) don't have
a problem.
> So what am I missing?
> TIA!
> -Mikey
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