[HBASE-3235] Intermittent incrementColumnValue failure in TestHRegion

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.90.0
• Fix Version/s: 0.90.0
• Component/s: regionserver
• Assignee: Gary Helmling
• Reporter: Gary Helmling
• Created: 14/Nov/10 08:30
• Updated: 20/Nov/15 12:40
• Resolved: 16/Nov/10 21:23

Description

I first saw this in a Hudson build, but can reproduce locally with enough test runs (5-10 times):

-------------------------------------------------------------------------------
Test set: org.apache.hadoop.hbase.regionserver.TestHRegion
-------------------------------------------------------------------------------
Tests run: 51, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 39.413 sec <<< FAILURE!
testIncrementColumnValue_UpdatingInPlace(org.apache.hadoop.hbase.regionserver.TestHRegion)  Time elapsed: 0.079 sec  <<< FAILURE!
junit.framework.AssertionFailedError: expected:<1> but was:<2>
        at junit.framework.Assert.fail(Assert.java:47)
        at junit.framework.Assert.failNotEquals(Assert.java:283)
        at junit.framework.Assert.assertEquals(Assert.java:64)
        at junit.framework.Assert.assertEquals(Assert.java:195)
        at junit.framework.Assert.assertEquals(Assert.java:201)
        at org.apache.hadoop.hbase.regionserver.TestHRegion.testIncrementColumnValue_UpdatingInPlace(TestHRegion.java:1889)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

Alternately, the failure can also show up in testIncrementColumnValue_UpdatingInPlace_Negative():

testIncrementColumnValue_UpdatingInPlace_Negative(org.apache.hadoop.hbase.regionserver.TestHRegion)  Time elapsed: 0.03 sec  <<< FAILURE!
junit.framework.AssertionFailedError: expected:<2> but was:<3>
        at junit.framework.Assert.fail(Assert.java:47)
        at junit.framework.Assert.failNotEquals(Assert.java:283)
        at junit.framework.Assert.assertEquals(Assert.java:64)
        at junit.framework.Assert.assertEquals(Assert.java:130)
        at junit.framework.Assert.assertEquals(Assert.java:136)
        at
org.apache.hadoop.hbase.regionserver.TestHRegion.assertICV(TestHRegion.java:2081)
        at
org.apache.hadoop.hbase.regionserver.TestHRegion.testIncrementColumnValue_UpdatingInPlace_Negative(TestHRegion.java:1990)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)