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From "Yu Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15150) Fix TestDurablity in branch-1.1
Date Thu, 21 Jan 2016 13:06:39 GMT
Yu Li created HBASE-15150:
-----------------------------

             Summary: Fix TestDurablity in branch-1.1
                 Key: HBASE-15150
                 URL: https://issues.apache.org/jira/browse/HBASE-15150
             Project: HBase
          Issue Type: Bug
            Reporter: Yu Li
            Assignee: Yu Li


>From [UT report|https://builds.apache.org/job/PreCommit-HBASE-Build/145/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_79.txt]
of HBASE-15120 against branch-1.1, we could see below failure:
{noformat}
testIncrementWithReturnResultsSetToFalse(org.apache.hadoop.hbase.regionserver.wal.TestDurability)
 Time elapsed: 0.111 sec  <<< FAILURE!
java.lang.AssertionError: expected null, but was:<keyvalues={row1/family:col1/1452864457248/Put/vlen=8/seqid=4}>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotNull(Assert.java:755)
	at org.junit.Assert.assertNull(Assert.java:737)
	at org.junit.Assert.assertNull(Assert.java:747)
	at org.apache.hadoop.hbase.regionserver.wal.TestDurability.testIncrementWithReturnResultsSetToFalse(TestDurability.java:215)
{noformat}
Checking the history, this should be a regression caused by HBASE-15031, and confirmed the
UT could pass before commit c5cfea4e37a.

Reason of the failure is HBASE-15031 introduced the {{hbase.increment.fast.but.narrow.consistency}}
flag which is *false* by default, but forget to set it in TestDurablity#testIncrementWithReturnResultsSetToFalse



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