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From "Zhihong Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6596) Revert HBASE-5022; it undoes HBC.create
Date Thu, 16 Aug 2012 19:05:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436232#comment-13436232
] 

Zhihong Ted Yu commented on HBASE-6596:
---------------------------------------

Looks like TestClassLoading failure in trunk is reproducible.
In test log, I saw:
{code}
2012-08-16 11:59:55,134 WARN  [RS_OPEN_REGION-lm-sjn-00713032.corp.ebay.com,61729,1345143569962-2]
regionserver.RegionCoprocessorHost(201): java.lang.UnsupportedOperationException: Immutable
Configuration
  at org.apache.hadoop.hbase.regionserver.CompoundConfiguration.iterator(CompoundConfiguration.java:408)
  at org.apache.hadoop.hbase.HBaseConfiguration.merge(HBaseConfiguration.java:135)
  at org.apache.hadoop.hbase.HBaseConfiguration.create(HBaseConfiguration.java:124)
  at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.loadTableCoprocessors(RegionCoprocessorHost.java:183)
  at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.&lt;init&gt;(RegionCoprocessorHost.java:152)
  at org.apache.hadoop.hbase.regionserver.HRegion.&lt;init&gt;(HRegion.java:461)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
  at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
  at org.apache.hadoop.hbase.regionserver.HRegion.newHRegion(HRegion.java:3715)
  at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3896)
  at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:334)
  at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:110)
  at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:195)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
{code}
                
> Revert HBASE-5022; it undoes HBC.create
> ---------------------------------------
>
>                 Key: HBASE-6596
>                 URL: https://issues.apache.org/jira/browse/HBASE-6596
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.94.2
>
>         Attachments: 6596_094.txt, 6596_trunk.txt
>
>
> See this thread: http://search-hadoop.com/m/WAXXV1OQ1QY/What+is+HBaseConfiguration.create%2528Configuration%2529+good+for%253F&subj=What+is+HBaseConfiguration+create+Configuration+good+for+

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