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Date: Fri, 10 Feb 2017 20:43:42 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13042153.1486753555000.51514.1486759422028@Atlassian.JIRA>
In-Reply-To: <JIRA.13042153.1486753555000@Atlassian.JIRA>
References: <JIRA.13042153.1486753555000@Atlassian.JIRA> <JIRA.13042153.1486753555610@jira-lw-us.apache.org>
Subject: [jira] [Commented] (YARN-6171) ConcurrentModificationException in
 ApplicationMasterService.allocate
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archived-at: Fri, 10 Feb 2017 20:44:05 -0000


    [ https://issues.apache.org/jira/browse/YARN-6171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15861830#comment-15861830 ] 

Hadoop QA commented on YARN-6171:
---------------------------------

| (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 18s{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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  0s{color} | {color:red} The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 16m  6s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 39s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 43s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 28s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 24s{color} | {color:green} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager: The patch generated 0 new + 39 unchanged - 1 fixed = 39 total (was 40) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 39s{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} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 22s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 40m 56s{color} | {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 16s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 67m 21s{color} | {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.yarn.server.resourcemanager.TestOpportunisticContainerAllocatorAMService |
|   | hadoop.yarn.server.resourcemanager.TestRMRestart |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | YARN-6171 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12852107/YARN-6171.000.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs  checkstyle  |
| uname | Linux 89104db1ffa8 3.13.0-103-generic #150-Ubuntu SMP Thu Nov 24 10:34:17 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 07a5184 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-YARN-Build/14883/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt |
|  Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/14883/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/14883/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.


> ConcurrentModificationException in ApplicationMasterService.allocate
> --------------------------------------------------------------------
>
>                 Key: YARN-6171
>                 URL: https://issues.apache.org/jira/browse/YARN-6171
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>         Attachments: YARN-6171.000.patch
>
>
> I have noticed an exception that closes the Application Master occasionally with Fair scheduler.
> {code}
> Caused by: org.apache.hadoop.ipc.RemoteException(java.util.ConcurrentModificationException): java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:956)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.allocate(FairScheduler.java:1005)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(ApplicationMasterService.java:532)
> 	at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationMasterProtocolPBServiceImpl.allocate(ApplicationMasterProtocolPBServiceImpl.java:60)
> 	at org.apache.hadoop.yarn.proto.ApplicationMasterProtocol$ApplicationMasterProtocolService$2.callBlockingMethod(ApplicationMasterProtocol.java:99)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
> {code}


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