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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