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https://issues.apache.org/jira/browse/HADOOP-19930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18107786#comment-18107786
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ASF GitHub Bot commented on HADOOP-19930:
-----------------------------------------
hadoop-yetus commented on PR #8640:
URL: https://github.com/apache/hadoop/pull/8640#issuecomment-5407652258
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 6m 36s | | 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.
|
| +0 :ok: | yamllint | 0m 0s | | yamllint 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 6 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +0 :ok: | mvndep | 2m 3s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 26m 33s | | trunk passed |
| +1 :green_heart: | compile | 9m 49s | | trunk passed with JDK
Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | compile | 10m 23s | | trunk passed with JDK
Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | checkstyle | 3m 41s | | trunk passed |
| +1 :green_heart: | mvnsite | 12m 39s | | trunk passed |
| +1 :green_heart: | javadoc | 6m 29s | | trunk passed with JDK
Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javadoc | 6m 28s | | trunk passed with JDK
Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| -1 :x: | spotbugs | 22m 18s |
[/branch-spotbugs-root-warnings.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/artifact/out/branch-spotbugs-root-warnings.html)
| root in trunk has 93 extant spotbugs warnings. |
| -1 :x: | spotbugs | 0m 29s |
[/branch-spotbugs-hadoop-tools_hadoop-federation-balance-warnings.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/artifact/out/branch-spotbugs-hadoop-tools_hadoop-federation-balance-warnings.html)
| hadoop-tools/hadoop-federation-balance in trunk has 12 extant spotbugs
warnings. |
| +1 :green_heart: | shadedclient | 15m 9s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 16s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 20m 53s | | the patch passed |
| +1 :green_heart: | compile | 8m 43s | | the patch passed with JDK
Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javac | 8m 43s | | the patch passed |
| +1 :green_heart: | compile | 8m 53s | | the patch passed with JDK
Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javac | 8m 53s | | the patch passed |
| +1 :green_heart: | blanks | 0m 1s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 2m 59s | | root: The patch generated
0 new + 431 unchanged - 1 fixed = 431 total (was 432) |
| +1 :green_heart: | mvnsite | 9m 42s | | the patch passed |
| +1 :green_heart: | javadoc | 6m 3s | | the patch passed with JDK
Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javadoc | 5m 56s | | the patch passed with JDK
Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | spotbugs | 22m 43s | | the patch passed |
| +1 :green_heart: | shadedclient | 34m 10s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 625m 32s |
[/patch-unit-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/artifact/out/patch-unit-root.txt)
| root in the patch failed. |
| -1 :x: | asflicense | 0m 59s |
[/results-asflicense.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/artifact/out/results-asflicense.txt)
| The patch generated 1 ASF License warnings. |
| | | 857m 35s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.yarn.server.router.webapp.TestFederationWebApp
|
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.55 ServerAPI=1.55 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/8640 |
| Optional Tests | dupname asflicense codespell detsecrets yamllint compile
javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle |
| uname | Linux 168d17042016 5.15.0-181-generic #191-Ubuntu SMP Fri May 22
19:09:02 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / f7854dc522df7d6d37bc6cdffca0300263c8df1a |
| Default Java | Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| Multi-JDK versions |
/usr/lib/jvm/java-21-openjdk-amd64:Ubuntu-21.0.11+10-1-24.04.2-Ubuntu
/usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/testReport/ |
| Max. process+thread count | 4803 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-tools/hadoop-federation-balance . U: . |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8640/2/console |
| versions | git=2.43.0 maven=3.9.15 spotbugs=4.9.7 |
| Powered by | Apache Yetus 0.14.1 https://yetus.apache.org |
This message was automatically generated.
> ObjectWritable to take interface/superclass and check before class load
> -----------------------------------------------------------------------
>
> Key: HADOOP-19930
> URL: https://issues.apache.org/jira/browse/HADOOP-19930
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Affects Versions: 3.5.0, 3.4.3, 3.5.1
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Labels: pull-request-available
>
> ObjectWritable.loadClass is used to load classes from writables, after which
> the loaded class is cast to the target interface and then instantiated.
> Validating that the loaded class is of the required type prior to
> instantiation allows for faster failing, as there's no load.
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