[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2016-07-10 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15369783#comment-15369783
 ] 

Hudson commented on YARN-4460:
--

SUCCESS: Integrated in Hadoop-trunk-Commit #10074 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/10074/])
YARN-4460. [Bug fix] RM fails to start when SMP is enabled. (Li Lu via (sjlee: 
rev c4d7bbda5cb3ceaf54a022f3cf97109e8e190d71)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TestSystemMetricsPublisherForV2.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TimelineServiceV2Publisher.java


> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Fix For: YARN-2928
>
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-16 Thread Varun Saxena (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059764#comment-15059764
 ] 

Varun Saxena commented on YARN-4460:


Yes, 2 of these test failures are borrowed over from trunk. There are JIRAs' 
open for them.
TestRMAppTransitions is not related. 


Will commit it shortly.

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-16 Thread Varun Saxena (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059785#comment-15059785
 ] 

Varun Saxena commented on YARN-4460:


I have committed the patch.
Thanks [~gtCarrera9] for your contribution.
Thanks [~sjlee0] and [~Naganarasimha] for reviews.

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Fix For: YARN-2928
>
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Varun Saxena (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15058647#comment-15058647
 ] 

Varun Saxena commented on YARN-4460:


Changes LGTM.
Will commit it after jenkins build.

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Hadoop QA (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15058986#comment-15058986
 ] 

Hadoop QA commented on YARN-4460:
-

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s 
{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 9m 
34s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 31s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 37s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
18s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 45s 
{color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
20s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 29s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 31s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
41s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 34s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 37s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 37s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
16s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 44s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
18s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
33s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 60m 56s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 61m 51s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
26s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 144m 29s {color} 
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | 
hadoop.yarn.server.resourcemanager.TestAMAuthorization |
|   | hadoop.yarn.server.resourcemanager.TestClientRMTokens |
| JDK v1.7.0_91 Failed junit tests | 
hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisher |
|   | hadoop.yarn.server.resourcemanager.TestAMAuthorization |
|   | hadoop.yarn.server.resourcemanager.TestClientRMTokens |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:7c86163 |
| JIRA Patch URL | 

[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Li Lu (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059010#comment-15059010
 ] 

Li Lu commented on YARN-4460:
-

Could not reproduce the UT failures locally. All failures appear to be 
unrelated. Let me kick off one more run though. 

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Li Lu (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059255#comment-15059255
 ] 

Li Lu commented on YARN-4460:
-

The failing tests are irrelevant. 

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Sangjin Lee (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059211#comment-15059211
 ] 

Sangjin Lee commented on YARN-4460:
---

+1 pending jenkins.

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Hadoop QA (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059243#comment-15059243
 ] 

Hadoop QA commented on YARN-4460:
-

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s 
{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m 
33s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
17s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 43s 
{color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
18s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
29s {color} | {color:green} feature-YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s 
{color} | {color:green} feature-YARN-2928 passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
43s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 33s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
17s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 42s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
18s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
38s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 29s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 61m 14s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 61m 16s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK 
v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
23s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 143m 24s {color} 
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | 
hadoop.yarn.server.resourcemanager.TestAMAuthorization |
|   | hadoop.yarn.server.resourcemanager.TestClientRMTokens |
| JDK v1.7.0_91 Failed junit tests | 
hadoop.yarn.server.resourcemanager.TestAMAuthorization |
|   | hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions |
|   | hadoop.yarn.server.resourcemanager.TestClientRMTokens |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:7c86163 |
| JIRA Patch URL | 

[jira] [Commented] (YARN-4460) [Bug fix] RM fails to start when SMP is enabled

2015-12-15 Thread Naganarasimha G R (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15059450#comment-15059450
 ] 

Naganarasimha G R commented on YARN-4460:
-

+1 patch LGTM

> [Bug fix] RM fails to start when SMP is enabled
> ---
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
>  Issue Type: Sub-task
>  Components: timelineserver
>Affects Versions: YARN-2928
>Reporter: Li Lu
>Assignee: Li Lu
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message: 
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in 
> dispatcher thread true
> java.lang.Exception: No handler for registered for class 
> org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
>at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in 
> TimelineServiceV2Publisher to fix this problem. 



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