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https://issues.apache.org/jira/browse/YARN-10161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17046784#comment-17046784
 ] 

Hadoop QA commented on YARN-10161:
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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}  0m 
39s{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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 2 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m 
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
23s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m 55s{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}  0m 
33s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
20s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
19s{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 1 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m 40s{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}  0m 
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
19s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
35s{color} | {color:green} hadoop-yarn-server-router in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
25s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 57m 35s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.6 Server=19.03.6 Image:yetus/hadoop:c44943d1fc3 |
| JIRA Issue | YARN-10161 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12994796/YARN-10161.002.patch |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  |
| uname | Linux c3f27b782849 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 
08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2059f25 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_242 |
| findbugs | v3.1.0-RC1 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/25594/artifact/out/whitespace-eol.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/25594/testReport/ |
| Max. process+thread count | 754 (vs. ulimit of 5500) |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/25594/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> TestRouterWebServicesREST is corrupting STDOUT
> ----------------------------------------------
>
>                 Key: YARN-10161
>                 URL: https://issues.apache.org/jira/browse/YARN-10161
>             Project: Hadoop YARN
>          Issue Type: Test
>          Components: yarn
>    Affects Versions: 2.10.0, 3.2.1
>            Reporter: Jim Brennan
>            Assignee: Jim Brennan
>            Priority: Minor
>         Attachments: YARN-10161.001.patch, YARN-10161.002.patch
>
>
> TestRouterWebServicesREST is creating processes that inherit stdin/stdout 
> from the current process, so the output from those jobs goes into the 
> standard output of mvn test.
> Here's an example from a recent build:
> {noformat}
> [WARNING] Corrupted STDOUT by directly writing to native stream in forked JVM 
> 1. See FAQ web page and the dump file 
> /testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/target/surefire-reports/2020-02-24T08-00-54_776-jvmRun1.dumpstream
> [INFO] Tests run: 41, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 
> 41.644 s - in 
> org.apache.hadoop.yarn.server.router.webapp.TestRouterWebServicesREST
> [WARNING] ForkStarter IOException: 506 INFO  [main] 
> resourcemanager.ResourceManager (LogAdapter.java:info(49)) - STARTUP_MSG: 
> 522 INFO  [main] resourcemanager.ResourceManager (LogAdapter.java:info(49)) - 
> registered UNIX signal handlers for [TERM, HUP, INT]
> 876 INFO  [main] conf.Configuration 
> (Configuration.java:getConfResourceAsInputStream(2588)) - core-site.xml not 
> found
> 879 INFO  [main] security.Groups (Groups.java:refresh(402)) - clearing 
> userToGroupsMap cache
> 930 INFO  [main] conf.Configuration 
> (Configuration.java:getConfResourceAsInputStream(2588)) - resource-types.xml 
> not found
> 930 INFO  [main] resource.ResourceUtils 
> (ResourceUtils.java:addResourcesFileToConf(421)) - Unable to find 
> 'resource-types.xml'.
> 940 INFO  [main] resource.ResourceUtils 
> (ResourceUtils.java:addMandatoryResources(126)) - Adding resource type - name 
> = memory-mb, units = Mi, type = COUNTABLE
> 940 INFO  [main] resource.ResourceUtils 
> (ResourceUtils.java:addMandatoryResources(135)) - Adding resource type - name 
> = vcores, units = , type = COUNTABLE
> 974 INFO  [main] conf.Configuration 
> (Configuration.java:getConfResourceAsInputStream(2591)) - found resource 
> yarn-site.xml at 
> file:/testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/target/test-classes/yarn-site.xml
> 001 INFO  [main] event.AsyncDispatcher (AsyncDispatcher.java:register(227)) - 
> Registering class 
> org.apache.hadoop.yarn.server.resourcemanager.RMFatalEventType for class 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMFatalEventDispatcher
> 053 INFO  [main] security.NMTokenSecretManagerInRM 
> (NMTokenSecretManagerInRM.java:<init>(75)) - NMTokenKeyRollingInterval: 
> 86400000ms and NMTokenKeyActivationDelay: 900000ms
> 060 INFO  [main] security.RMContainerTokenSecretManager 
> (RMContainerTokenSecretManager.java:<init>(79)) - 
> ContainerTokenKeyRollingInterval: 86400000ms and 
> ContainerTokenKeyActivationDelay: 900000ms
> ... {noformat}
> It seems like these processes should be rerouting stdout/stderr to a file 
> instead of dumping it to the console.



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