Ted Yu created HBASE-8889:
-----------------------------

             Summary: TestIOFencing#testFencingAroundCompaction occasionally 
fails
                 Key: HBASE-8889
                 URL: https://issues.apache.org/jira/browse/HBASE-8889
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu


>From 
>https://builds.apache.org/job/PreCommit-HBASE-Build/6232//testReport/org.apache.hadoop.hbase/TestIOFencing/testFencingAroundCompaction/
> :
{code}
java.lang.AssertionError: Timed out waiting for new server to open region
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.apache.hadoop.hbase.TestIOFencing.doTest(TestIOFencing.java:269)
        at 
org.apache.hadoop.hbase.TestIOFencing.testFencingAroundCompaction(TestIOFencing.java:205)
{code}
{code}
2013-07-06 23:13:53,120 INFO  [pool-1-thread-1] hbase.TestIOFencing(266): 
Waiting for the new server to pick up the region 
tabletest,,1373152125442.6e62d3b24ea23160931362b60359ff03.
2013-07-06 23:13:54,120 INFO  [pool-1-thread-1] hbase.TestIOFencing(266): 
Waiting for the new server to pick up the region 
tabletest,,1373152125442.6e62d3b24ea23160931362b60359ff03.
2013-07-06 23:13:55,121 DEBUG [pool-1-thread-1] 
hbase.TestIOFencing$CompactionBlockerRegion(102): allowing compactions
2013-07-06 23:13:55,121 INFO  [pool-1-thread-1] hbase.HBaseTestingUtility(911): 
Shutting down minicluster
2013-07-06 23:13:55,121 DEBUG [pool-1-thread-1] util.JVMClusterUtil(237): 
Shutting down HBase Cluster
2013-07-06 23:13:55,121 INFO  
[RS:0;asf002:39065-smallCompactions-1373152134716] regionserver.HStore(951): 
Starting compaction of 2 file(s) in family of 
tabletest,,1373152125442.6e62d3b24ea23160931362b60359ff03. into 
tmpdir=hdfs://localhost:50140/user/jenkins/hbase/tabletest/6e62d3b24ea23160931362b60359ff03/.tmp,
 totalSize=108.4k
...
2013-07-06 23:13:55,155 INFO  [RS:0;asf002:39065] 
regionserver.HRegionServer(2476): Received CLOSE for the region: 
6e62d3b24ea23160931362b60359ff03 ,which we are already trying to CLOSE
2013-07-06 23:13:55,157 WARN  [RS:0;asf002:39065] 
regionserver.HRegionServer(2414): Failed to close 
tabletest,,1373152125442.6e62d3b24ea23160931362b60359ff03. - ignoring and 
continuing
org.apache.hadoop.hbase.exceptions.NotServingRegionException: The region 
6e62d3b24ea23160931362b60359ff03 was already closing. New CLOSE request is 
ignored.
        at 
org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegion(HRegionServer.java:2479)
        at 
org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegionIgnoreErrors(HRegionServer.java:2409)
        at 
org.apache.hadoop.hbase.regionserver.HRegionServer.closeUserRegions(HRegionServer.java:2011)
        at 
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:903)
        at 
org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.runRegionServer(MiniHBaseCluster.java:158)
        at 
org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.access$000(MiniHBaseCluster.java:110)
        at 
org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer$1.run(MiniHBaseCluster.java:142)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:337)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1131)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.hbase.util.Methods.call(Methods.java:41)
        at org.apache.hadoop.hbase.security.User.call(User.java:420)
        at org.apache.hadoop.hbase.security.User.access$300(User.java:51)
        at 
org.apache.hadoop.hbase.security.User$SecureHadoopUser.runAs(User.java:260)
        at 
org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.run(MiniHBaseCluster.java:140)
{code}

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