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From "Samir Ahmic (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10056) region_status.rb not adopted to 0.96 api
Date Thu, 28 Nov 2013 14:34:35 GMT
Samir Ahmic created HBASE-10056:
-----------------------------------

             Summary: region_status.rb not adopted to 0.96 api
                 Key: HBASE-10056
                 URL: https://issues.apache.org/jira/browse/HBASE-10056
             Project: HBase
          Issue Type: Bug
          Components: scripts
         Environment: x86_64 GNU/Linux
            Reporter: Samir Ahmic
            Assignee: Samir Ahmic
            Priority: Minor


When I tried to run this script agains 0.96 cluster i got this error:
{code}
$ hbase org.jruby.Main region_status.rb
NameError: uninitialized constant IOException
  const_missing at org/jruby/RubyModule.java:2647
         (root) at region_status.rb:104
{code}
This line is causing issue:
{code}
table = HTable.new config, '.META.'.to_java_bytes
{code}
I belive this should be changed to:
{code}
table = HTable.new config, 'hbase:meta'.to_java_bytes
{code}

Second issue was caused by this line 
{code}
server_count = MetaScanner::allTableRegions(config,$tablename.to_java_bytes,false).size()
{code}

MetaScanner.allTablesRegion() is changed in 0.96 so i changed few lines in order to fix this:
{code}
if not $tablename.nil?
 # Creating TableName object
  $TableName = HTableDescriptor.new($tablename.to_java_bytes).getTableName()
end
while true
  if $tablename.nil?
    server_count = admin.getClusterStatus().getRegionsCount()
  else
    #Creating HConnection object
    connection = HConnectionManager::getConnection(config);
    server_count = MetaScanner::allTableRegions(config, connection, $TableName ,false).size()
  end
  print "Region Status: #{server_count} / #{meta_count}\n"
{code}

After this changes script is working against 0.96. Since i'm far away from expert in jruby
 :D can someone review this fix ? I will attach patch. 




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