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https://issues.apache.org/jira/browse/HBASE-21482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-21482:
---------------------------
Attachment: org.apache.hadoop.hbase.regionserver.TestHRegion.txt
> TestHRegion fails due to 'Too many open files'
> ----------------------------------------------
>
> Key: HBASE-21482
> URL: https://issues.apache.org/jira/browse/HBASE-21482
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Major
> Attachments:
> org.apache.hadoop.hbase.regionserver.TestHRegion-output.txt,
> org.apache.hadoop.hbase.regionserver.TestHRegion.txt
>
>
> TestHRegion fails due to 'Too many open files' in master branch.
> Here is one failed subtest :
> {code}
> testCheckAndDelete_ThatDeleteWasWritten(org.apache.hadoop.hbase.regionserver.TestHRegion)
> Time elapsed: 2.373 sec <<< ERROR!
> java.lang.IllegalStateException: failed to create a child event loop
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4853)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4844)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4835)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.testCheckAndDelete_ThatDeleteWasWritten(TestHRegion.java:2034)
> Caused by: org.apache.hbase.thirdparty.io.netty.channel.ChannelException:
> failed to open a new selector
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4853)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4844)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4835)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.testCheckAndDelete_ThatDeleteWasWritten(TestHRegion.java:2034)
> Caused by: java.io.IOException: Too many open files
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4853)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4844)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.initHRegion(TestHRegion.java:4835)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.testCheckAndDelete_ThatDeleteWasWritten(TestHRegion.java:2034)
> {code}
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