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https://issues.apache.org/jira/browse/YARN-11838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18018355#comment-18018355
]
ASF GitHub Bot commented on YARN-11838:
---------------------------------------
hadoop-yetus commented on PR #7828:
URL: https://github.com/apache/hadoop/pull/7828#issuecomment-3257989197
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 3m 7s | | 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 :x: | test4tests | 0m 0s | | 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.
|
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 38m 14s | | trunk passed |
| +1 :green_heart: | compile | 1m 3s | | trunk passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 0m 55s | | 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 1s | | 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 47s | | trunk passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | spotbugs | 1m 55s | | trunk passed |
| +1 :green_heart: | shadedclient | 35m 54s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 48s | | the patch passed |
| +1 :green_heart: | compile | 0m 52s | | the patch passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javac | 0m 52s | | the patch passed |
| +1 :green_heart: | compile | 0m 46s | | the patch passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | javac | 0m 46s | | 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 51s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 43s | | the patch passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 40s | | the patch passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | spotbugs | 1m 57s | | the patch passed |
| +1 :green_heart: | shadedclient | 36m 10s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 113m 30s |
[/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-7828/3/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. |
| | | 242m 18s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.51 ServerAPI=1.51 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7828/3/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 fca7c4ebb1e6 5.15.0-152-generic #162-Ubuntu SMP Wed Jul 23
09:48:42 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / f161d24366468fee289296e395a37bfb334eac26 |
| 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-7828/3/testReport/ |
| Max. process+thread count | 979 (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-7828/3/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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