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https://issues.apache.org/jira/browse/YARN-1444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13931298#comment-13931298
]
Hadoop QA commented on YARN-1444:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12633935/yarn-1444.ver2.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:
org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/3326//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3326//console
This message is automatically generated.
> RM crashes when node resource request sent without corresponding off-switch
> request
> -----------------------------------------------------------------------------------
>
> Key: YARN-1444
> URL: https://issues.apache.org/jira/browse/YARN-1444
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client, resourcemanager
> Reporter: Robert Grandl
> Assignee: Wangda Tan
> Priority: Blocker
> Attachments: yarn-1444.ver1.patch, yarn-1444.ver2.patch
>
>
> I have tried to force reducers to execute on certain nodes. What I did is I
> changed for reduce tasks, the
> RMContainerRequestor#addResourceRequest(req.priority, ResourceRequest.ANY,
> req.capability) to RMContainerRequestor#addResourceRequest(req.priority,
> HOST_NAME, req.capability).
> However, this change lead to RM crashes when reducers needs to be assigned
> with the following exception:
> FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in
> handling event type NODE_UPDATE to the scheduler
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainers(LeafQueue.java:841)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:640)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:554)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.nodeUpdate(CapacityScheduler.java:695)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:739)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:86)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:549)
> at java.lang.Thread.run(Thread.java:722)
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