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https://issues.apache.org/jira/browse/HBASE-5423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210760#comment-13210760
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chunhui shen commented on HBASE-5423:
-------------------------------------
If we failed closing one region, we will remove it from RIT , so it maybe
calling close multiple times on same region.
{code}
CloseRegionHandler#process(){
try{
...
region.close(abort)
...
}finally{
this.rsServices.getRegionsInTransitionInRS().
remove(this.regionInfo.getEncodedNameAsBytes());
}
}
{code}
Therefore, if we can't close some regions because of some exception, we should
break even though online regions is not yet empty, otherwise, it may block
forever on waitOnAllRegionsToClose
> Regionserver may block forever on waitOnAllRegionsToClose when aborting
> -----------------------------------------------------------------------
>
> Key: HBASE-5423
> URL: https://issues.apache.org/jira/browse/HBASE-5423
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Reporter: chunhui shen
> Assignee: chunhui shen
> Attachments: hbase-5423.patch
>
>
> If closeRegion throws any exception (It would be caused by FS ) when RS is
> aborting,
> RS will block forever on waitOnAllRegionsToClose().
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