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https://issues.apache.org/jira/browse/HADOOP-19930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18112711#comment-18112711
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ASF GitHub Bot commented on HADOOP-19930:
-----------------------------------------
hadoop-yetus commented on PR #8728:
URL: https://github.com/apache/hadoop/pull/8728#issuecomment-5585097284
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 7m 27s | | 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 6 new or modified test files. |
|||| _ branch-3.4 Compile Tests _ |
| +0 :ok: | mvndep | 8m 20s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 23m 26s | | branch-3.4 passed |
| +1 :green_heart: | compile | 8m 49s | | branch-3.4 passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 8m 2s | | branch-3.4 passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | checkstyle | 2m 3s | | branch-3.4 passed |
| +1 :green_heart: | mvnsite | 2m 5s | | branch-3.4 passed |
| +1 :green_heart: | javadoc | 1m 49s | | branch-3.4 passed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 2m 9s | | branch-3.4 passed with JDK
Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | spotbugs | 3m 3s | | branch-3.4 passed |
| +1 :green_heart: | shadedclient | 20m 20s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 23s | | Maven dependency ordering for patch |
| -1 :x: | mvninstall | 0m 17s |
[/patch-mvninstall-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-mvninstall-hadoop-common-project_hadoop-common.txt)
| hadoop-common in the patch failed. |
| -1 :x: | mvninstall | 0m 17s |
[/patch-mvninstall-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-mvninstall-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt)
| hadoop-mapreduce-client-core in the patch failed. |
| -1 :x: | mvninstall | 0m 12s |
[/patch-mvninstall-hadoop-tools_hadoop-federation-balance.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-mvninstall-hadoop-tools_hadoop-federation-balance.txt)
| hadoop-federation-balance in the patch failed. |
| -1 :x: | compile | 0m 24s |
[/patch-compile-root-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-compile-root-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt)
| root in the patch failed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04. |
| -1 :x: | javac | 0m 24s |
[/patch-compile-root-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-compile-root-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt)
| root in the patch failed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04. |
| -1 :x: | compile | 0m 24s |
[/patch-compile-root-jdkPrivateBuild-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-compile-root-jdkPrivateBuild-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09.txt)
| root in the patch failed with JDK Private
Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09. |
| -1 :x: | javac | 0m 24s |
[/patch-compile-root-jdkPrivateBuild-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-compile-root-jdkPrivateBuild-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09.txt)
| root in the patch failed with JDK Private
Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09. |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 18s |
[/buildtool-patch-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/buildtool-patch-checkstyle-root.txt)
| The patch fails to run checkstyle in root |
| -1 :x: | mvnsite | 0m 20s |
[/patch-mvnsite-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-mvnsite-hadoop-common-project_hadoop-common.txt)
| hadoop-common in the patch failed. |
| -1 :x: | mvnsite | 0m 19s |
[/patch-mvnsite-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-mvnsite-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt)
| hadoop-mapreduce-client-core in the patch failed. |
| -1 :x: | mvnsite | 0m 14s |
[/patch-mvnsite-hadoop-tools_hadoop-federation-balance.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-mvnsite-hadoop-tools_hadoop-federation-balance.txt)
| hadoop-federation-balance in the patch failed. |
| -1 :x: | javadoc | 0m 19s |
[/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt)
| hadoop-common in the patch failed with JDK
Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04. |
| -1 :x: | javadoc | 0m 16s |
[/patch-javadoc-hadoop-common-project_hadoop-common-jdkPrivateBuild-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-javadoc-hadoop-common-project_hadoop-common-jdkPrivateBuild-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09.txt)
| hadoop-common in the patch failed with JDK Private
Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09. |
| -1 :x: | spotbugs | 0m 18s |
[/patch-spotbugs-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-spotbugs-hadoop-common-project_hadoop-common.txt)
| hadoop-common in the patch failed. |
| -1 :x: | spotbugs | 0m 15s |
[/patch-spotbugs-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-spotbugs-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt)
| hadoop-mapreduce-client-core in the patch failed. |
| -1 :x: | spotbugs | 0m 11s |
[/patch-spotbugs-hadoop-tools_hadoop-federation-balance.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-spotbugs-hadoop-tools_hadoop-federation-balance.txt)
| hadoop-federation-balance in the patch failed. |
| -1 :x: | shadedclient | 6m 51s | | patch has errors when building
and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 0m 19s |
[/patch-unit-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt)
| hadoop-common in the patch failed. |
| -1 :x: | unit | 0m 16s |
[/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt)
| hadoop-mapreduce-client-core in the patch failed. |
| -1 :x: | unit | 0m 12s |
[/patch-unit-hadoop-tools_hadoop-federation-balance.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/patch-unit-hadoop-tools_hadoop-federation-balance.txt)
| hadoop-federation-balance in the patch failed. |
| +1 :green_heart: | asflicense | 0m 20s | | The patch does not
generate ASF License warnings. |
| | | 97m 26s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.56 ServerAPI=1.56 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8728/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/8728 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 56a0a0ceb1c0 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7
15:06:04 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | branch-3.4 / 95f121390e43988945177b00d5af6e6c02c10887 |
| 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-8728/1/testReport/ |
| Max. process+thread count | 549 (vs. ulimit of 5500) |
| 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-8728/1/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.
> 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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