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From Clint Morgan <clint.mor...@troove.net>
Subject Re: Secondary Indexes problem.
Date Fri, 20 Feb 2009 21:45:24 GMT
Yes, that looks like the right way to fix it.

Quick fix to make it work now, I bet you can just remove that
hbase.regionserver.class property (or set it to the TransactionalInterface).

I see now thats what I had been doing in my deployment. Care to submit a
patch with the real fix?

-clint

On Fri, Feb 20, 2009 at 10:40 AM, Kirill Shabunov <e2k_1@yahoo.com> wrote:

> Hi!
>
> I am trying to use the new secondary indexing feature (HBASE-883) on
> Hadoop/HBase 0.19.0. The org.apache.hadoop.hbase.client.tableindexed package
> description instructs to do the following:
>
> "To enable the indexing, modify hbase-site.xml to turn on the
> IndexedRegionServer. This is done by setting hbase.regionserver.class to
> org.apache.hadoop.hbase.ipc.IndexedRegionInterface and
> hbase.regionserver.impl  to
> org.apache.hadoop.hbase.regionserver.tableindexed.IndexedRegionServer"
>
> I fixed my hbase-site.xml accordingly. Now HBase does not start. This is
> what I get in the logs (same thing in both master and region):
>
> 2009-02-20 21:13:16,511 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server
> handler 6 on 60020, call
> getProtocolVersion(org.apache.hadoop.hbase.ipc.IndexedRegionInterface, 15)
> from 213.221.54.5:48893: error: java.io.IOException: Unknown protocol to
> name node: org.apache.hadoop.hbase.ipc.IndexedRegionInterface
> java.io.IOException: Unknown protocol to name node:
> org.apache.hadoop.hbase.ipc.IndexedRegionInterface
>        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getProtocolVersion(HRegionServer.java:2140)
>        at
> org.apache.hadoop.hbase.regionserver.transactional.TransactionalRegionServer.getProtocolVersion(TransactionalRegionServer.java:92)
>        at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
>        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:895)
>
> I checked the code. My first guess is IndexedRegionServer should override
>   public long getProtocolVersion(final String protocol, final long
> clientVersion)
> similar to TransactionalRegionServer.
>
> Did anybody see this problem? What do you think?
>
> Thanks a lot in advance,
> Kirill
>

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