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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15192) TestRegionMergeTransactionOnCluster#testCleanMergeReference is flaky
Date Sat, 30 Jan 2016 03:40:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15124691#comment-15124691
] 

Hadoop QA commented on HBASE-15192:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s {color} | {color:blue}
Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s {color} |
{color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green}
The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 1 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 39s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 30s {color} |
{color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} |
{color:green} master passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 3m 59s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 16s {color}
| {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 55s {color} | {color:red}
hbase-server in master has 1 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s {color} |
{color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s {color} |
{color:green} master passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 46s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 33s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s {color} |
{color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 33s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 20s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 22m 10s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2
2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 58s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s {color} |
{color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 80m 11s {color} | {color:green}
hbase-server in the patch passed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 83m 26s {color} | {color:red}
hbase-server in the patch failed with JDK v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 17s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 206m 47s {color} | {color:black}
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|| Reason || Tests ||
| JDK v1.7.0_91 Timed out junit tests | org.apache.hadoop.hbase.snapshot.TestFlushSnapshotFromClient
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-01-30 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12785299/HBASE-15192.v1.patch
|
| JIRA Issue | HBASE-15192 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux d94aecd37bae 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / 9cd4871 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/356/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/356/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_91.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/356/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_91.txt
|
| JDK v1.7.0_91  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/356/testReport/
|
| modules | C: hbase-server U: hbase-server |
| Max memory used | 393MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/356/console |


This message was automatically generated.



> TestRegionMergeTransactionOnCluster#testCleanMergeReference is flaky
> --------------------------------------------------------------------
>
>                 Key: HBASE-15192
>                 URL: https://issues.apache.org/jira/browse/HBASE-15192
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: HBASE-15192.v1.patch
>
>
> TestRegionMergeTransactionOnCluster#testCleanMergeReference fails intermittently due
to failed assertion on cleaned merge region count:
> {code}
> testCleanMergeReference(org.apache.hadoop.hbase.regionserver.TestRegionMergeTransactionOnCluster)
 Time elapsed: 64.183 sec  <<< FAILURE!
> 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.TestRegionMergeTransactionOnCluster.testCleanMergeReference(TestRegionMergeTransactionOnCluster.java:284)
> {code}
> Before calling CatalogJanitor#scan(), the test does:
> {code}
>       int newcount1 = 0;
>       while (System.currentTimeMillis() < timeout) {
>         for(HColumnDescriptor colFamily : columnFamilies) {
>           newcount1 += hrfs.getStoreFiles(colFamily.getName()).size();
>         }
>         if(newcount1 <= 1) {
>           break;
>         }
>         Thread.sleep(50);
>       }
> {code}
> newcount1 is not cleared at the beginning of the loop.
> This means that if the check for newcount1 <= 1 doesn't pass the first iteration,
it wouldn't pass in subsequent iterations.
> After timeout is exhausted, admin.runCatalogScan() is called. However, there is a chance
that CatalogJanitor#scan() has been called by the Chore already (during the wait period),
leaving the cleaned count 0 and failing the test.



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