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https://issues.apache.org/jira/browse/MAPREDUCE-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15307411#comment-15307411
 ] 

Hadoop QA commented on MAPREDUCE-6240:
--------------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 8m 46s 
{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 28s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
10s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 29s 
{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 51s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
23s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 6s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 32s 
{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 7s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
40s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 26s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 26s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
23s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 45s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
19s {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 
15s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 28s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 55s 
{color} | {color:green} hadoop-mapreduce-client-core in the patch passed. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 116m 7s {color} 
| {color:red} hadoop-mapreduce-client-jobclient in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
27s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 144m 53s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.mapred.TestMiniMRChildTask |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:2c91fd8 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12807042/MAPREDUCE-6240.004.patch
 |
| JIRA Issue | MAPREDUCE-6240 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 3b042c8b8239 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 / 93d8a7f |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6530/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6530/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6530/testReport/ |
| modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient
 U: hadoop-mapreduce-project/hadoop-mapreduce-client |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6530/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Hadoop client displays confusing error message
> ----------------------------------------------
>
>                 Key: MAPREDUCE-6240
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6240
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 2.7.0
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Gera Shegalov
>         Attachments: MAPREDUCE-6240-gera.001.patch, 
> MAPREDUCE-6240-gera.001.patch, MAPREDUCE-6240-gera.002.patch, 
> MAPREDUCE-6240.003.patch, MAPREDUCE-6240.004.patch, MAPREDUCE-6240.1.patch
>
>
> Hadoop client often throws exception  with "java.io.IOException: Cannot 
> initialize Cluster. Please check your configuration for 
> mapreduce.framework.name and the correspond server addresses".
> This is a misleading and generic message for any cluster initialization 
> problem. It takes a lot of debugging hours to identify the root cause. The 
> correct error message could resolve this problem quickly.
> In one such instance, Oozie log showed the following exception  while the 
> root cause was CNF  that Hadoop client didn't return in the exception.
> {noformat}
>  JA009: Cannot initialize Cluster. Please check your configuration for 
> mapreduce.framework.name and the correspond server addresses.
>         at 
> org.apache.oozie.action.ActionExecutor.convertExceptionHelper(ActionExecutor.java:412)
>         at 
> org.apache.oozie.action.ActionExecutor.convertException(ActionExecutor.java:392)
>         at 
> org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:979)
>         at 
> org.apache.oozie.action.hadoop.JavaActionExecutor.start(JavaActionExecutor.java:1134)
>         at 
> org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:228)
>         at 
> org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:63)
>         at org.apache.oozie.command.XCommand.call(XCommand.java:281)
>         at 
> org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:323)
>         at 
> org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:252)
>         at 
> org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:174)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> Caused by: java.io.IOException: Cannot initialize Cluster. Please check your 
> configuration for mapreduce.framework.name and the correspond server 
> addresses.
>         at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:120)
>         at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:82)
>         at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:75)
>         at org.apache.hadoop.mapred.JobClient.init(JobClient.java:470)
>         at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:449)
>         at 
> org.apache.oozie.service.HadoopAccessorService$1.run(HadoopAccessorService.java:372)
>         at 
> org.apache.oozie.service.HadoopAccessorService$1.run(HadoopAccessorService.java:370)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
>         at 
> org.apache.oozie.service.HadoopAccessorService.createJobClient(HadoopAccessorService.java:379)
>         at 
> org.apache.oozie.action.hadoop.JavaActionExecutor.createJobClient(JavaActionExecutor.java:1185)
>         at 
> org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:927)
>  ... 10 more
> {noformat}



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