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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