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https://issues.apache.org/jira/browse/MAPREDUCE-7046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16350969#comment-16350969
 ] 

Hadoop QA commented on MAPREDUCE-7046:
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| (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 
27s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
43s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 15m 
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
11m 50s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
19s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
10s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
44s{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} shadedclient {color} | {color:green} 
10m 30s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
14s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 
46s{color} | {color:green} hadoop-mapreduce-client-core in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  9m 
17s{color} | {color:green} hadoop-mapreduce-client-app in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 
23s{color} | {color:green} hadoop-mapreduce-client-hs in the patch passed. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}133m 45s{color} 
| {color:red} hadoop-mapreduce-client-jobclient in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
34s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}216m 44s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.mapreduce.v2.TestMRJobs |
|   | hadoop.mapreduce.v2.TestUberAM |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | MAPREDUCE-7046 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12908987/MAPREDUCE-7046-001.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux aba33152bfd1 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 
13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 460d77b |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| unit | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7325/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7325/testReport/ |
| Max. process+thread count | 1360 (vs. ulimit of 5000) |
| modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
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
 U: hadoop-mapreduce-project/hadoop-mapreduce-client |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7325/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Enhance logging related to retrieving Job
> -----------------------------------------
>
>                 Key: MAPREDUCE-7046
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7046
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>            Priority: Major
>         Attachments: MAPREDUCE-7046-001.patch
>
>
> We recently encountered an interesting problem. In one case, Hive Driver was 
> unable to retrieve the status of a MapReduce job. The following stack trace 
> was printed:
> {noformat}
> [main] INFO  org.apache.hadoop.hive.ql.exec.Task  - 2018-01-15 00:18:09,324 
> Stage-2 map = 0%,  reduce = 0%, Cumulative CPU 1679.31 sec
>  [main] ERROR org.apache.hadoop.hive.ql.exec.Task  - Ended Job = 
> job_1511036412170_1322169 with exception 'java.io.IOException(Could not find 
> status of job:job_1511036412170_1322169)'
> java.io.IOException: Could not find status of job:job_1511036412170_1322169
>       at 
> org.apache.hadoop.hive.ql.exec.mr.HadoopJobExecHelper.progress(HadoopJobExecHelper.java:295)
>       at 
> org.apache.hadoop.hive.ql.exec.mr.HadoopJobExecHelper.progress(HadoopJobExecHelper.java:549)
>       at 
> org.apache.hadoop.hive.ql.exec.mr.ExecDriver.execute(ExecDriver.java:435)
>       at 
> org.apache.hadoop.hive.ql.exec.mr.MapRedTask.execute(MapRedTask.java:137)
>       at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
>       at 
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:100)
>       at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1782)
>       at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1539)
>       at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1318)
>       at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1127)
>       at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1115)
>       at 
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:220)
>       at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:172)
>       at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:383)
>       at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:318)
>       at 
> org.apache.hadoop.hive.cli.CliDriver.processReader(CliDriver.java:416)
>       at org.apache.hadoop.hive.cli.CliDriver.processFile(CliDriver.java:432)
>       at 
> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:726)
>       at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:693)
>       at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:628)
>       at org.apache.oozie.action.hadoop.HiveMain.runHive(HiveMain.java:325)
>       at org.apache.oozie.action.hadoop.HiveMain.run(HiveMain.java:302)
>       at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:49)
> {noformat}
> We examined the logs from JHS and AM, but haven't seen anything suspicious. 
> For some reason a {{null}} was returned but it's not obvious why. The MR job 
> was running at this point.
> Some ideas:
> 1. We already have logging in place related to JobClient->AM and 
> JobClient->JHS communication, but that's on TRACE level and that could be too 
> low. It might make more sense to raise the level to DEBUG.
> 2. We need new {{LOG.debug()}} calls at some crucial points



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