This query is regarding the online_merge script from
https://issues.apache.org/jira/browse/HBASE-1621

My setup is hbase - cdh3u1, hadoop-cdh3-u0.

When I am running this script, I encounter the problem at the following
line:

  info =
Writables.getHRegionInfo(result.getValue(HConstants::CATALOG_FAMILY,HConstants::REGIONINFO_QUALIFIER))

The result.getValue(HConstants::CATALOG_FAMILY,HConstants::REGIONINFO_QUALIFIER)
returns a null and Writable.getHRegionInfo throws a null-pointer-exception.

I am wondering in what cases can I get null returned
from 
result.getValue(HConstants::CATALOG_FAMILY,HConstants::REGIONINFO_QUALIFIER)
?

Thanks
Kisalay

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