HConnectionManger.listTables returns empty list if exception (though there may
be many tables present)
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Key: HBASE-510
URL: https://issues.apache.org/jira/browse/HBASE-510
Project: Hadoop HBase
Issue Type: Bug
Components: client
Affects Versions: 0.1.0, 0.2.0, 0.16.0
Reporter: stack
Priority: Minor
Its a problem because commonly a check for existence will get list of current
tables.
Yesterday saw problem when .META. went off line. A piece of client code was
asking for list of tables when .META. was offline, it was getting back an empty
list because listTables do while was seeing
'org.apache.hadoop.hbase.NotServingRegionException: .META.,,1'
Problem is the do while in HCM.listTables goes as long as startRow does not
equal LAST_ROW but startRow is initialized with EMPTY_START_ROW which is equal
to LAST_ROW.
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