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https://issues.apache.org/jira/browse/YARN-5793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613773#comment-15613773
 ] 

Hadoop QA commented on YARN-5793:
---------------------------------

| (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 
22s{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}  8m 
 3s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
28s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
18s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
29s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
43s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
25s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 14s{color} | {color:orange} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager:
 The patch generated 2 new + 4 unchanged - 0 fixed = 6 total (was 4) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
10s{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}  0m 
52s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 15m 20s{color} 
| {color:red} hadoop-yarn-server-nodemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 16m 
11s{color} | {color:red} The patch generated 4 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 46m 43s{color} | 
{color:black} {color} |
\\
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.yarn.server.nodemanager.containermanager.queuing.TestQueuingContainerManager
 |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Issue | YARN-5793 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12835688/YARN-5793.0000.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux c4bff9e7cbc8 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29 
20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 5877f20 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/13615/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/13615/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/13615/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-YARN-Build/13615/artifact/patchprocess/patch-asflicense-problems.txt
 |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/13615/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Trim configuration values in DockerLinuxContainerRuntime
> --------------------------------------------------------
>
>                 Key: YARN-5793
>                 URL: https://issues.apache.org/jira/browse/YARN-5793
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Tianyin Xu
>            Priority: Minor
>         Attachments: YARN-5793.0000.patch
>
>
> The current implementation of {{DockerLinuxContainerRuntime}} does not follow 
> the practice of trimming configuration values. This leads to errors if users 
> set values containing space or newline.
> see the following YARN commits as reference:
> YARN-3395. FairScheduler: Trim whitespaces when using username for queuename.
> YARN-2869. CapacityScheduler should trim sub queue names when parse 
> configuration.
> YARN-2843. Fixed NodeLabelsManager to trim inputs for hosts and labels so as 
> to make them work correctly.
> and many other Hadoop/HDFS commits (just list a few):
> HDFS-9708. FSNamesystem.initAuditLoggers() doesn't trim classnames
> HDFS-2799. Trim fs.checkpoint.dir values.
> HADOOP-6578. Configuration should trim whitespace around a lot of value types
> HADOOP-6534. Trim whitespace from directory lists initializing
> Patch is available against trunk
> {code:title=DockerLinuxContainerRuntime.java|borderStyle=solid}
> @@ -219,9 +219,9 @@ public void initialize(Configuration conf)
>      dockerClient = new DockerClient(conf);
>      allowedNetworks.clear();
>      allowedNetworks.addAll(Arrays.asList(
> -        
> conf.getStrings(YarnConfiguration.NM_DOCKER_ALLOWED_CONTAINER_NETWORKS,
> +        
> conf.getTrimmedStrings(YarnConfiguration.NM_DOCKER_ALLOWED_CONTAINER_NETWORKS,
>              
> YarnConfiguration.DEFAULT_NM_DOCKER_ALLOWED_CONTAINER_NETWORKS)));
> -    defaultNetwork = conf.get(
> +    defaultNetwork = conf.getTrimmed(
>          YarnConfiguration.NM_DOCKER_DEFAULT_CONTAINER_NETWORK,
>          YarnConfiguration.DEFAULT_NM_DOCKER_DEFAULT_CONTAINER_NETWORK);
>  
> @@ -237,7 +237,7 @@ public void initialize(Configuration conf)
>        throw new ContainerExecutionException(message);
>      }
>  
> -    privilegedContainersAcl = new AccessControlList(conf.get(
> +    privilegedContainersAcl = new AccessControlList(conf.getTrimmed(
>          YarnConfiguration.NM_DOCKER_PRIVILEGED_CONTAINERS_ACL,
>          YarnConfiguration.DEFAULT_NM_DOCKER_PRIVILEGED_CONTAINERS_ACL));
>    }
> @@ -439,7 +439,7 @@ public void launchContainer(ContainerRuntimeContext ctx)
>          LOCALIZED_RESOURCES);
>      @SuppressWarnings("unchecked")
>      List<String> userLocalDirs = ctx.getExecutionAttribute(USER_LOCAL_DIRS);
> -    Set<String> capabilities = new HashSet<>(Arrays.asList(conf.getStrings(
> +    Set<String> capabilities = new 
> HashSet<>(Arrays.asList(conf.getTrimmedStrings(
>          YarnConfiguration.NM_DOCKER_CONTAINER_CAPABILITIES,
>          YarnConfiguration.DEFAULT_NM_DOCKER_CONTAINER_CAPABILITIES)));
> {code}



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