stack created HBASE-14883:
-----------------------------
Summary: TestSplitTransactionOnCluster#testFailedSplit flakey
Key: HBASE-14883
URL: https://issues.apache.org/jira/browse/HBASE-14883
Project: HBase
Issue Type: Sub-task
Components: flakey, test
Affects Versions: 1.2.0, 1.3.0
Reporter: stack
Only in branch-1 and branch-1.2.
Fails look like this:
https://builds.apache.org/view/H-L/view/HBase/job/HBase-1.3/jdk=latest1.8,label=Hadoop/397/
TEST-org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster.xml.<init>
If I look in the xml, I see this:
{code}
<testcase name="testFailedSplit"
classname="org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster"
time="8.275">
<flakyFailure type="java.lang.AssertionError:">java.lang.AssertionError:
null
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertTrue(Assert.java:52)
at
org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster.testFailedSplit(TestSplitTransactionOnCluster.java:1339)
<system-err><![CDATA[
{code}
... the xml is cut off.
testFailedSplit seems to be the culprit.
If I look in the -output.txt I see:
{code}
....
2015-11-25 09:00:37,816 DEBUG
[asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1]
balancer.BaseLoadBalancer$Cluster(838): Lowest locality region index is 0 and
its region server contains 3 regions
2015-11-25 09:00:37,816 DEBUG
[asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1]
balancer.BaseLoadBalancer$Cluster(813): Lowest locality region server with non
zero regions is asf905.gq1.ygridcore.net with locality 0.0
2015-11-25 09:00:37,816 DEBUG
[asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1]
balancer.BaseLoadBalancer$Cluster(838): Lowest locality region index is 0 and
its region server contains 3 regions
2015-11-25 09:00:37,817 DEBUG
[asf905.gq1.ygridcore.net,48894,1448441976062_ChoreService_1]
balancer.BaseLoadBalancer$Cluster(813): Lowest locality region server with non
zero regions is asf905.gq1.ygridcore.net with locality 0.0
...
{code}
spewing...
This test was added here:
{code}
kalashnikov:hbase.git.commit stack$ git log -S testFailedSplit
./hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
commit 871444cb0a733b82af843952253b4545a407979a
Author: Andrew Purtell <[email protected]>
Date: Mon Dec 15 17:31:33 2014 -0800
HBASE-12686 Failures in split before PONR not clearing the daughter regions
from regions in transition during rollback (Vandana Ayyalasomayajula)
{code}
The balancer is not coming back true (line #1339 assert is null according to
above)
{code}
...
1337 regions = TESTING_UTIL.getHBaseAdmin().getTableRegions(tableName);
1338 assertTrue(regions.size() == 1);
1339 assertTrue(admin.balancer());
...
{code}
Line #1339 was not in original test. It was added later:
{code}
commit 46f993b19fa11d1a8880d08045be43e38017b46a
Author: Virag Kothari <[email protected]>
Date: Wed Jan 7 10:58:32 2015 -0800
HBASE-12694 testTableExistsIfTheSpecifiedTableRegionIsSplitParent in
TestSplitTransactionOnCluster class leaves regions in transition (Vandana
Ayyalasomayajula)
{code}
We are having trouble achieving a balance.... Let me see.
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