[ 
https://issues.apache.org/jira/browse/YARN-1942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319823#comment-15319823
 ] 

Hadoop QA commented on YARN-1942:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 10m 16s 
{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 36 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 34s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
18s {color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 14s 
{color} | {color:green} branch-2 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 12s 
{color} | {color:green} branch-2 passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
56s {color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 6m 42s 
{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 3m 
32s {color} | {color:green} branch-2 passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 13s 
{color} | {color:red} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api in 
branch-2 has 1 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 45s 
{color} | {color:green} branch-2 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 52s 
{color} | {color:green} branch-2 passed with JDK v1.7.0_101 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 13s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m 
35s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 12s 
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 12s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 8s 
{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 8s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 2m 5s 
{color} | {color:red} root: The patch generated 112 new + 2946 unchanged - 34 
fixed = 3058 total (was 2980) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 6m 39s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 3m 
36s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s 
{color} | {color:red} The patch has 12 line(s) that end in whitespace. Use git 
apply --whitespace=fix. {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s 
{color} | {color:red} The patch 1 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 14m 
35s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 59s 
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 52s 
{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 21s 
{color} | {color:green} hadoop-yarn-api in the patch passed with JDK v1.8.0_91. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 3s 
{color} | {color:green} hadoop-yarn-common in the patch passed with JDK 
v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 22s 
{color} | {color:green} hadoop-yarn-server-common in the patch passed with JDK 
v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 37s 
{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed with 
JDK v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 55s 
{color} | {color:green} hadoop-yarn-server-applicationhistoryservice in the 
patch passed with JDK v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 32m 1s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 67m 44s {color} 
| {color:red} hadoop-yarn-client in the patch failed with JDK v1.8.0_91. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 16s {color} 
| {color:red} hadoop-yarn-server-timeline-pluginstorage in the patch failed 
with JDK v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 13s {color} 
| {color:red} hadoop-yarn-applications-distributedshell in the patch failed 
with JDK v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 16s {color} 
| {color:red} hadoop-mapreduce-client-core in the patch failed with JDK 
v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 16s {color} 
| {color:red} hadoop-mapreduce-client-common in the patch failed with JDK 
v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 18s 
{color} | {color:green} hadoop-mapreduce-client-shuffle in the patch passed 
with JDK v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 14s {color} 
| {color:red} hadoop-mapreduce-client-app in the patch failed with JDK 
v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 3m 32s {color} 
| {color:red} hadoop-mapreduce-client-hs in the patch failed with JDK 
v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 12s {color} 
| {color:red} hadoop-mapreduce-client-jobclient in the patch failed with JDK 
v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 12s {color} 
| {color:red} hadoop-archive-logs in the patch failed with JDK v1.8.0_91. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 25s 
{color} | {color:green} hadoop-yarn-api in the patch passed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 20s {color} 
| {color:red} hadoop-yarn-common in the patch failed with JDK v1.7.0_101. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 17s {color} 
| {color:red} hadoop-yarn-server-common in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 17s {color} 
| {color:red} hadoop-yarn-server-nodemanager in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 16s {color} 
| {color:red} hadoop-yarn-server-applicationhistoryservice in the patch failed 
with JDK v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 19s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 14s {color} 
| {color:red} hadoop-yarn-client in the patch failed with JDK v1.7.0_101. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 12s {color} 
| {color:red} hadoop-yarn-server-timeline-pluginstorage in the patch failed 
with JDK v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 12s {color} 
| {color:red} hadoop-yarn-applications-distributedshell in the patch failed 
with JDK v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 18s {color} 
| {color:red} hadoop-mapreduce-client-core in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 17s {color} 
| {color:red} hadoop-mapreduce-client-common in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 20s 
{color} | {color:green} hadoop-mapreduce-client-shuffle in the patch passed 
with JDK v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 16s {color} 
| {color:red} hadoop-mapreduce-client-app in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 3m 55s {color} 
| {color:red} hadoop-mapreduce-client-hs in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 12s {color} 
| {color:red} hadoop-mapreduce-client-jobclient in the patch failed with JDK 
v1.7.0_101. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 12s {color} 
| {color:red} hadoop-archive-logs in the patch failed with JDK v1.7.0_101. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
20s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 248m 41s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_91 Failed junit tests | 
hadoop.yarn.server.resourcemanager.TestAMAuthorization |
|   | hadoop.yarn.server.resourcemanager.TestClientRMTokens |
|   | hadoop.yarn.client.cli.TestLogsCLI |
|   | hadoop.yarn.client.TestGetGroups |
|   | hadoop.yarn.client.api.impl.TestDistributedScheduling |
|   | hadoop.yarn.client.api.impl.TestAMRMProxy |
|   | hadoop.mapreduce.v2.hs.TestJobHistoryParsing |
|   | hadoop.mapreduce.v2.hs.TestJobHistoryEvents |
|   | hadoop.mapreduce.v2.hs.TestJobHistoryServer |
| JDK v1.8.0_91 Timed out junit tests | 
org.apache.hadoop.yarn.client.cli.TestYarnCLI |
|   | org.apache.hadoop.yarn.client.api.impl.TestAMRMClient |
|   | org.apache.hadoop.yarn.client.api.impl.TestYarnClient |
|   | org.apache.hadoop.yarn.client.api.impl.TestNMClient |
| JDK v1.7.0_101 Failed junit tests | 
hadoop.mapreduce.v2.hs.TestJobHistoryParsing |
|   | hadoop.mapreduce.v2.hs.TestJobHistoryEvents |
|   | hadoop.mapreduce.v2.hs.TestJobHistoryServer |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:babe025 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12808761/YARN-1942-branch-2.0012.patch
 |
| JIRA Issue | YARN-1942 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux ce5d6dc7ddea 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 | branch-2 / 8b34040 |
| Default Java | 1.7.0_101 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_91 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_101 |
| findbugs | v3.0.0 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-api-warnings.html
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/diff-checkstyle-root.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/whitespace-eol.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/whitespace-tabs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-client-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-timeline-pluginstorage-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-applications-distributedshell-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-common-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-hs-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-archive-logs-jdk1.8.0_91.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-common-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-common-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-applicationhistoryservice-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-client-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-timeline-pluginstorage-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-applications-distributedshell-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-common-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-hs-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient-jdk1.7.0_101.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-archive-logs-jdk1.7.0_101.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_91.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-client-jdk1.8.0_91.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-hs-jdk1.8.0_91.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-hs-jdk1.7.0_101.txt
 |
| JDK v1.7.0_101  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice
 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage
 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell
 hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle
 hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient
 hadoop-tools/hadoop-archive-logs U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/11888/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Many of ConverterUtils methods need to have public interfaces
> -------------------------------------------------------------
>
>                 Key: YARN-1942
>                 URL: https://issues.apache.org/jira/browse/YARN-1942
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api
>    Affects Versions: 2.4.0
>            Reporter: Thomas Graves
>            Assignee: Wangda Tan
>            Priority: Critical
>         Attachments: YARN-1942-branch-2.0012.patch, YARN-1942.1.patch, 
> YARN-1942.10.patch, YARN-1942.11.patch, YARN-1942.12.patch, 
> YARN-1942.2.patch, YARN-1942.3.patch, YARN-1942.4.patch, YARN-1942.5.patch, 
> YARN-1942.6.patch, YARN-1942.8.patch, YARN-1942.9.patch
>
>
> ConverterUtils has a bunch of functions that are useful to application 
> masters.   It should either be made public or we make some of the utilities 
> in it public or we provide other external apis for application masters to 
> use.  Note that distributedshell and MR are both using these interfaces. 
> For instance the main use case I see right now is for getting the application 
> attempt id within the appmaster:
> String containerIdStr =
>           System.getenv(Environment.CONTAINER_ID.name());
> ConverterUtils.toContainerId
> ContainerId containerId = ConverterUtils.toContainerId(containerIdStr);
>       ApplicationAttemptId applicationAttemptId =
>           containerId.getApplicationAttemptId();
> I don't see any other way for the application master to get this information. 
>  If there is please let me know.



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