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https://issues.apache.org/jira/browse/HDFS-9466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15070354#comment-15070354
 ] 

Hadoop QA commented on HDFS-9466:
---------------------------------

| (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} @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} 8m 
33s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 52s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 50s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
16s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 59s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
15s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 4s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 12s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 56s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
57s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 45s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 45s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 50s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 50s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
19s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 0s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
15s {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} findbugs {color} | {color:green} 2m 
19s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 15s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 59s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 69m 20s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 63m 18s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_91. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 25s 
{color} | {color:red} Patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 162m 43s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | 
hadoop.hdfs.server.datanode.TestBlockScanner |
|   | hadoop.hdfs.server.blockmanagement.TestReplicationPolicyConsiderLoad |
|   | hadoop.hdfs.server.datanode.TestBlockReplacement |
|   | hadoop.hdfs.web.TestWebHDFSXAttr |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure190 |
| JDK v1.7.0_91 Failed junit tests | 
hadoop.hdfs.server.blockmanagement.TestReplicationPolicyConsiderLoad |
|   | hadoop.hdfs.TestRollingUpgrade |
|   | hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12779321/HDFS-9466.002.patch |
| JIRA Issue | HDFS-9466 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 413c1ad9dff9 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 | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / bb5df27 |
| Default Java | 1.7.0_91 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_66 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_91 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
 |
| JDK v1.7.0_91  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/artifact/patchprocess/patch-asflicense-problems.txt
 |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 75MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13987/console |


This message was automatically generated.



> TestShortCircuitCache#testDataXceiverCleansUpSlotsOnFailure is flaky
> --------------------------------------------------------------------
>
>                 Key: HDFS-9466
>                 URL: https://issues.apache.org/jira/browse/HDFS-9466
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fs, hdfs-client
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>         Attachments: HDFS-9466.001.patch, HDFS-9466.002.patch
>
>
> This test is flaky and fails quite frequently in trunk.
> Error Message
> expected:<1> but was:<2>
> Stacktrace
> {noformat}
> java.lang.AssertionError: expected:<1> but was:<2>
>       at org.junit.Assert.fail(Assert.java:88)
>       at org.junit.Assert.failNotEquals(Assert.java:743)
>       at org.junit.Assert.assertEquals(Assert.java:118)
>       at org.junit.Assert.assertEquals(Assert.java:555)
>       at org.junit.Assert.assertEquals(Assert.java:542)
>       at 
> org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache$17.accept(TestShortCircuitCache.java:636)
>       at 
> org.apache.hadoop.hdfs.server.datanode.ShortCircuitRegistry.visit(ShortCircuitRegistry.java:395)
>       at 
> org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache.checkNumberOfSegmentsAndSlots(TestShortCircuitCache.java:631)
>       at 
> org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache.testDataXceiverCleansUpSlotsOnFailure(TestShortCircuitCache.java:684)
> {noformat}
> Thanks to [~xiaochen] for identifying the issue.



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