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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13531) After 4/18/15 merge, flakey failures of TestAcidGuarantees#testMobScanAtomicity
Date Sun, 17 May 2015 16:20:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547220#comment-14547220
] 

Jonathan Hsieh commented on HBASE-13531:
----------------------------------------

I was doing a full unit test run before commit and found this consistent test failure.  [~jingcheng.du@intel.com],
do you want to take a look?

{code}
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 5.648 sec <<< FAILURE!
- in org.apache.hadoop.hbase.mob.mapreduce.TestMobSweepReducer
testRun(org.apache.hadoop.hbase.mob.mapreduce.TestMobSweepReducer)  Time elapsed: 4.487 sec
 <<< ERROR!
java.lang.ArrayIndexOutOfBoundsException: 0
        at org.apache.hadoop.hbase.mob.mapreduce.TestMobSweepReducer.testRun(TestMobSweepReducer.java:203)

Running org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper
Tests run: 3, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 134.159 sec <<< FAILURE!
- in org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper
testCompactionDelaySweeperWithNamespace(org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper)
 Time elapsed: 36.318 sec  <<< FAILURE!
java.lang.AssertionError: expected:<1> but was:<0>
        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:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper.testCompactionDelaySweeperInternal(TestMobSweeper.java:255)
        at org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper.testCompactionDelaySweeperWithNamespace(TestMobSweeper.java:302)

testCompactionDelaySweeper(org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper)  Time elapsed:
34.586 sec  <<< FAILURE!
java.lang.AssertionError: expected:<1> but was:<0>
        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:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper.testCompactionDelaySweeperInternal(TestMobSweeper.java:255)
        at org.apache.hadoop.hbase.mob.mapreduce.TestMobSweeper.testCompactionDelaySweeper(TestMobSweeper.java:282)
{code}

> After 4/18/15 merge, flakey failures of TestAcidGuarantees#testMobScanAtomicity
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-13531
>                 URL: https://issues.apache.org/jira/browse/HBASE-13531
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>    Affects Versions: hbase-11339
>            Reporter: Jonathan Hsieh
>            Assignee: Jingcheng Du
>             Fix For: hbase-11339
>
>         Attachments: HBASE-13531-V2.diff, HBASE-13531-V3.diff, HBASE-13531-V4.diff, HBASE-13531.diff
>
>
> After the merge of master from 4/18/15 with hbase-11339 branch, we encounter some atomicity
violations.  We want to fix before calling merge to trunk.



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