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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-21482) TestHRegion fails due to 'Too many open files'
Date Thu, 15 Nov 2018 19:23:00 GMT
Ted Yu created HBASE-21482:
------------------------------

             Summary: 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


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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