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https://issues.apache.org/jira/browse/HDFS-17844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18064399#comment-18064399
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ASF GitHub Bot commented on HDFS-17844:
---------------------------------------
hadoop-yetus commented on PR #8332:
URL: https://github.com/apache/hadoop/pull/8332#issuecomment-4030054266
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 33s | | 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 | 42m 0s | | trunk passed |
| +1 :green_heart: | compile | 0m 51s | | trunk passed with JDK
Ubuntu-21.0.10+7-Ubuntu-124.04 |
| +1 :green_heart: | compile | 0m 49s | | trunk passed with JDK
Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | checkstyle | 0m 48s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 48s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 46s | | trunk passed with JDK
Ubuntu-21.0.10+7-Ubuntu-124.04 |
| +1 :green_heart: | javadoc | 0m 43s | | trunk passed with JDK
Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | spotbugs | 1m 6s | | trunk passed |
| +1 :green_heart: | shadedclient | 31m 52s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 21s | | the patch passed |
| +1 :green_heart: | compile | 0m 20s | | the patch passed with JDK
Ubuntu-21.0.10+7-Ubuntu-124.04 |
| +1 :green_heart: | javac | 0m 20s | | the patch passed |
| +1 :green_heart: | compile | 0m 21s | | the patch passed with JDK
Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | javac | 0m 21s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 0m 18s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 22s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 20s | | the patch passed with JDK
Ubuntu-21.0.10+7-Ubuntu-124.04 |
| +1 :green_heart: | javadoc | 0m 20s | | the patch passed with JDK
Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | spotbugs | 0m 53s | | the patch passed |
| +1 :green_heart: | shadedclient | 29m 5s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 3m 11s | | hadoop-hdfs-nfs in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 35s | | The patch does not
generate ASF License warnings. |
| | | 120m 44s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.54 ServerAPI=1.54 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8332/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/8332 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 21c85e451386 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14
20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / fcfdc6f4e073ee4cf4f1a293c8161596f7d8b8bb |
| Default Java | Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| Multi-JDK versions |
/usr/lib/jvm/java-21-openjdk-amd64:Ubuntu-21.0.10+7-Ubuntu-124.04
/usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8332/1/testReport/ |
| Max. process+thread count | 636 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-nfs U:
hadoop-hdfs-project/hadoop-hdfs-nfs |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8332/1/console |
| versions | git=2.43.0 maven=3.9.11 spotbugs=4.9.7 |
| Powered by | Apache Yetus 0.14.1 https://yetus.apache.org |
This message was automatically generated.
> Flaky test: testViewFsMultipleExportPoint may encounter race condition which
> leads to namenode ID collisions
> ------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-17844
> URL: https://issues.apache.org/jira/browse/HDFS-17844
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode, test
> Reporter: Yakun Wang
> Priority: Major
> Labels: patch, pull-request-available
>
> There could be a race condition in namenode ID generation, causing ID
> collisions. However, the underlying collision detection logic is incorrect
> because it throws an error as long as the namenode ID exists, even if the URI
> is the same. Same namenode ID with same URI is safe. What needs to be
> detected is that different URIs resolve to the same namenode ID, which is a
> security problem.
> Error output:
> `[ERROR] Errors:
> [ERROR] TestExportsTable.testViewFsMultipleExportPoint:111 ยป FileSystem
> FS:viewfs, Namenode ID collision for path:/hdfs2 nnid:2130740544 uri being
> added:hdfs://localhost:34111/ existing uri:hdfs://localhost:34111/`
> Functions that are related to collision detection logic:
> # prepareAddressMap in
> hadoop/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/DFSClientCache.java
> # getNamenodeId in
> hadoop/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3Utils.java
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