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https://issues.apache.org/jira/browse/HBASE-4357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101574#comment-13101574
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Ming Ma commented on HBASE-4357:
--------------------------------
Here is the issue. It has nothing to do with master restart.
CloseRegionHandler.getCurrentVersion failed. Thus regionserver can't close the
region properly. One reason it can't get data from zookeeper could be that
there are lots of regions in transition.
11/09/07 17:21:48 WARN handler.CloseRegionHandler: Error getting node's version
in CLOSING state, aborting close of
miweng_500region,H\xB49X\x10bM\xB1,1315338786464.794a6ff17a4de0dd0a19b984ba18eea9.
Possible fixes:
1. Perhaps CloseRegionHandler.getCurrentVersion should retry on calls to
ZKAssign.getVersion?
2. Timeout Monitor doesn't do anything for region that stays in CLOSING state
for long. Perhaps it can try to repair it like reissuing a closeregion request
in RS?
> Region in transition - in closing state
> ---------------------------------------
>
> Key: HBASE-4357
> URL: https://issues.apache.org/jira/browse/HBASE-4357
> Project: HBase
> Issue Type: Bug
> Reporter: Ming Ma
>
> Got the following during testing,
> 1. On a given machine, kill "RS process id". Then kill "HMaster process id".
> 2. Start RS first via "bin/hbase-daemon.sh --config ./conf start
> regionserver.". Start HMaster via "bin/hbase-daemon.sh --config ./conf start
> master".
> One region of a table stayed in closing state.
> According to zookeeper,
> 794a6ff17a4de0dd0a19b984ba18eea9
> miweng_500region,H\xB49X\x10bM\xB1,1315338786464.794a6ff17a4de0dd0a19b984ba18eea9.
> state=CLOSING, ts=Wed Sep 07 17:21:44 PDT 2011 (75701s ago),
> server=sea-esxi-0,60000,1315428682281
> According to .META. table, the region has been assigned to from sea-esxi-0 to
> sea-esxi-4.
> miweng_500region,H\xB49X\x10bM\xB1,1315338786464.794a6ff17a4de0dd0a19b984ba18eea9.
> sea-esxi-4:60030 H\xB49X\x10bM\xB1 I7K\xC6\xA7\xEF\x9D\x90 0
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