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https://issues.apache.org/jira/browse/YARN-11838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18009676#comment-18009676
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ASF GitHub Bot commented on YARN-11838:
---------------------------------------
hadoop-yetus commented on PR #7828:
URL: https://github.com/apache/hadoop/pull/7828#issuecomment-3114528151
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 21m 57s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +0 :ok: | detsecrets | 0m 0s | | detect-secrets was not available.
|
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to
include 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 46m 9s | | trunk passed |
| +1 :green_heart: | compile | 1m 6s | | trunk passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 0m 54s | | trunk passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | checkstyle | 0m 56s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 0s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 57s | | trunk passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 50s | | trunk passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | spotbugs | 1m 58s | | trunk passed |
| +1 :green_heart: | shadedclient | 41m 16s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 49s | | the patch passed |
| +1 :green_heart: | compile | 0m 57s | | the patch passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javac | 0m 57s | | the patch passed |
| +1 :green_heart: | compile | 0m 47s | | the patch passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | javac | 0m 47s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 0m 43s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 50s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 47s | | the patch passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 42s | | the patch passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | spotbugs | 1m 56s | | the patch passed |
| +1 :green_heart: | shadedclient | 41m 56s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 119m 51s |
[/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7828/1/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt)
| hadoop-yarn-server-resourcemanager in the patch failed. |
| +1 :green_heart: | asflicense | 0m 38s | | The patch does not
generate ASF License warnings. |
| | | 286m 58s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.51 ServerAPI=1.51 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7828/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/7828 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 3f403c42a993 5.15.0-139-generic #149-Ubuntu SMP Fri Apr 11
22:06:13 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / c48dd49b26f6c4d5471d90431cfda560e70f5ea3 |
| Default Java | Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7828/1/testReport/ |
| Max. process+thread count | 912 (vs. ulimit of 5500) |
| modules | C:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
U:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
|
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7828/1/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
This message was automatically generated.
> YARN ConcurrentModificationException When Refreshing Node Attributes
> --------------------------------------------------------------------
>
> Key: YARN-11838
> URL: https://issues.apache.org/jira/browse/YARN-11838
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodeattibute, yarn
> Affects Versions: 3.3.0, 3.2.1
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
> Labels: pull-request-available
>
> h2. The Problem Flow
> # A new node is being added to the cluster (NODE_ADDED event)
> # The CapacityScheduler calls addNode() method
> # This triggers refreshNodeAttributesToScheduler() in
> NodeAttributesManagerImpl
> # During this process, the code attempts to convert a HashMap to a string
> for logging
> # While iterating through the HashMap for string conversion, another thread
> modifies the same HashMap :
> https://github.com/apache/hadoop/blob/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/nodelabels/NodeAttributesManagerImpl.java#L748
> # This causes the ConcurrentModificationException
>
> {code:java}
> 025-07-17 19:23:37,166 ERROR org.apache.hadoop.yarn.event.EventDispatcher
> (SchedulerEventDispatcher:Event Processor): Error in handling event type
> NODE_ADDED to the Event Dispatcher
> java.util.ConcurrentModificationException
> at
> java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1597)
> at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1620)
> at
> java.base/java.util.AbstractCollection.toString(AbstractCollection.java:456)
> at java.base/java.lang.String.valueOf(String.java:4220)
> at java.base/java.lang.StringBuilder.append(StringBuilder.java:173)
> at java.base/java.util.AbstractMap.toString(AbstractMap.java:555)
> at java.base/java.lang.String.valueOf(String.java:4220)
> at java.base/java.lang.StringBuilder.append(StringBuilder.java:173)
> at
> org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NodeAttributesManagerImpl.refreshNodeAttributesToScheduler(NodeAttributesManagerImpl.java:748)
> {code}
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