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https://issues.apache.org/jira/browse/HADOOP-15411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16451714#comment-16451714
 ] 

genericqa commented on HADOOP-15411:
------------------------------------

| (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 
34s{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 30m 
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 37m 
57s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
26s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m 22s{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}  1m 
52s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
10s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 28m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 28m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
5s{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 13s{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}  1m 
37s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
55s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  8m 
49s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
36s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}141m 54s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:b78c94f |
| JIRA Issue | HADOOP-15411 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12920549/HADOOP-15411.1.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux db6dfda6efb1 3.13.0-137-generic #186-Ubuntu SMP Mon Dec 4 
19:09:19 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / bb3c504 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_162 |
| findbugs | v3.1.0-RC1 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14519/testReport/ |
| Max. process+thread count | 1467 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14519/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> AuthenticationFilter should use Configuration.getPropsWithPrefix instead of 
> iterator
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15411
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15411
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Suma Shivaprasad
>            Assignee: Suma Shivaprasad
>            Priority: Blocker
>         Attachments: HADOOP-15411.1.patch
>
>
> Node manager start up fails with the following stack trace
> {code}
> 2018-04-19 13:08:30,638 ERROR nodemanager.NodeManager 
> (NodeManager.java:initAndStartNodeManager(921)) - Error starting NodeManager
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException: NMWebapps failed to 
> start.
>  at 
> org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer.serviceStart(WebServer.java:117)
>  at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
>  at 
> org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121)
>  at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
>  at 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:919)
>  at 
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:979)
> Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error starting http 
> server
>  at org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:377)
>  at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:424)
>  at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:420)
>  at 
> org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer.serviceStart(WebServer.java:112)
>  ... 5 more
> Caused by: java.io.IOException: java.util.ConcurrentModificationException
>  at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:532)
>  at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:117)
>  at org.apache.hadoop.http.HttpServer2$Builder.build(HttpServer2.java:421)
>  at org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:333)
>  ... 8 more
> Caused by: java.util.ConcurrentModificationException
>  at java.util.Hashtable$Enumerator.next(Hashtable.java:1383)
>  at org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2853)
>  at 
> org.apache.hadoop.security.AuthenticationFilterInitializer.getFilterConfigMap(AuthenticationFilterInitializer.java:73)
>  at 
> org.apache.hadoop.http.HttpServer2.getFilterProperties(HttpServer2.java:647)
>  at 
> org.apache.hadoop.http.HttpServer2.constructSecretProvider(HttpServer2.java:637)
>  at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:525)
>  ... 11 more
> 2018-04-19 13:08:30,639 INFO timeline.HadoopTimelineMetricsSink 
> (AbstractTimelineMetricsSink.java:getCurrentCollectorHost(291)) - No live 
> collector to send metrics to. Metrics to be sent will be discarded. This 
> message will be skipped for the next 20 times.
> {code}



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