[jira] [Commented] (HBASE-13591) TestHBaseFsck is flakey

["Nick Dimiduk (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-13591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518547#comment-14518547 ] 

Nick Dimiduk commented on HBASE-13591:
--------------------------------------

testParallelWithRetriesHbck is consistently the following

{noformat}
java.util.concurrent.ExecutionException: java.io.IOException: Duplicate hbck - Abort
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
	at org.apache.hadoop.hbase.util.TestHBaseFsck.testParallelWithRetriesHbck(TestHBaseFsck.java:641)
Caused by: java.io.IOException: Duplicate hbck - Abort
	at org.apache.hadoop.hbase.util.HBaseFsck.connect(HBaseFsck.java:483)
	at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck(HbckTestingUtil.java:53)
	at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck(HbckTestingUtil.java:43)
	at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck(HbckTestingUtil.java:38)
	at org.apache.hadoop.hbase.util.TestHBaseFsck$2RunHbck.call(TestHBaseFsck.java:631)
	at org.apache.hadoop.hbase.util.TestHBaseFsck$2RunHbck.call(TestHBaseFsck.java:627)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)
{noformat}

testSplitDaughtersNotInMeta is less obvious. I see

{noformat}
java.lang.AssertionError: null
	at org.junit.Assert.fail(Assert.java:86)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertNotNull(Assert.java:621)
	at org.junit.Assert.assertNotNull(Assert.java:631)
	at org.apache.hadoop.hbase.util.TestHBaseFsck.testSplitDaughtersNotInMeta(TestHBaseFsck.java:1750)
{noformat}

and

{noformat}
java.lang.AssertionError: expected:<[]> but was:<[NOT_IN_HDFS_OR_DEPLOYED]>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:144)
	at org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.assertNoErrors(HbckTestingUtil.java:91)
	at org.apache.hadoop.hbase.util.TestHBaseFsck.testSplitDaughtersNotInMeta(TestHBaseFsck.java:1756)
{noformat}

[~eclark], [~vdudin], testParallelWithRetriesHbck points me your direction. Mind taking a look? Maybe you can make some sense of testSplitDaughtersNotInMeta failures while you're in there.

> TestHBaseFsck is flakey
> -----------------------
>
>                 Key: HBASE-13591
>                 URL: https://issues.apache.org/jira/browse/HBASE-13591
>             Project: HBase
>          Issue Type: Test
>          Components: hbck
>            Reporter: Nick Dimiduk
>            Priority: Critical
>             Fix For: 2.0.0, 1.1.0, 1.2.0
>
>
> Looking at our [build history|https://builds.apache.org/job/HBase-1.1/buildTimeTrend], it seems this test is flakey. testParallelWithRetriesHbck fails on 431, 432, 433; testSplitDaughtersNotInMeta on 429, 436, 439.



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