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From highpointe <highpoint...@gmail.com>
Subject Re: Problems Loading RegionObserver Coprocessor
Date Sun, 27 May 2012 04:53:14 GMT
Here is my SS:  259 71 2451

On May 25, 2012, at 11:31 AM, Andrew Purtell <apurtell@apache.org> wrote:

>> When I restart my HBase cluster the cluster does not ever finish assigning
>> META region. In the master's log there are a lot of
>> NotServingRegionExceptions: Region is not online: .META.,,1. Other than
>> that I can't see any log messages that indicate any specific about loading
>> the coprocessor. If I then comment out the coprocessor property in
>> hbase-site.xml and restart the cluster, then HBase starts up fine.
> 
> In the future, check the regionserver logs. Why is META not able to deploy?
> 
> In this case, you should know that Observers installed as system
> coprocessors, i.e. by way of site file properties like
> hbase.coprocessor.region.classes, are also installed on the META
> region. Your code is trying to find a user table via getTable before
> META is deployed. That can't work. The exception generated fails the
> open of the META region.
> 
> Best regards,
> 
>    - Andy
> 
> Problems worthy of attack prove their worth by hitting back. - Piet
> Hein (via Tom White)

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