[jira] [Created] (HBASE-8684) Table Coprocessor can't access external HTable by default

["Jesse Yates (JIRA)" <ji...@apache.org>]

Jesse Yates created HBASE-8684:
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             Summary: Table Coprocessor can't access external HTable by default
                 Key: HBASE-8684
                 URL: https://issues.apache.org/jira/browse/HBASE-8684
             Project: HBase
          Issue Type: Bug
            Reporter: Jesse Yates
            Assignee: Jesse Yates
             Fix For: 0.94.9


With the default configuration passed to a RegionCoprocessor environment, you cannot reach an HTable on the same cluster (at least in 0.94 - no verified yet in 0.96/8). The reason is in the usage of CompoundConfiguration (backported to 0.94 in HBASE-8176) when loading a table coprocessor we just do (RegionCoprocessorHost, ln 182):
{code}
Configuration newConf = new Configuration(conf);
// set per-table cfspec properties
{code}
but the conf we pass in a CompoundConfiguration, which means the copy constructor from Configuration doesn't work at all. 

So, we really need two things:
 1. A test that we can reach another HTable in the same cluster via a coprocessor by default
 2. Fixing the configuration creation in RegionCoprocessorHost to support (1)

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