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https://issues.apache.org/jira/browse/HDFS-17877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18055325#comment-18055325
]
ASF GitHub Bot commented on HDFS-17877:
---------------------------------------
hadoop-yetus commented on PR #8217:
URL: https://github.com/apache/hadoop/pull/8217#issuecomment-3821547831
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 1m 6s | | 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 | 44m 33s | | trunk passed |
| +1 :green_heart: | compile | 1m 15s | | trunk passed with JDK
Ubuntu-21.0.7+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 1m 17s | | trunk passed with JDK
Ubuntu-17.0.15+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | checkstyle | 0m 54s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 21s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 8s | | trunk passed with JDK
Ubuntu-21.0.7+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 1m 5s | | trunk passed with JDK
Ubuntu-17.0.15+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | spotbugs | 3m 51s | | trunk passed |
| +1 :green_heart: | shadedclient | 32m 5s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 51s | | the patch passed |
| +1 :green_heart: | compile | 0m 49s | | the patch passed with JDK
Ubuntu-21.0.7+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javac | 0m 49s | | the patch passed |
| +1 :green_heart: | compile | 0m 47s | | the patch passed with JDK
Ubuntu-17.0.15+6-Ubuntu-0ubuntu120.04 |
| +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 19s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 51s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 37s | | the patch passed with JDK
Ubuntu-21.0.7+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 37s | | the patch passed with JDK
Ubuntu-17.0.15+6-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | spotbugs | 3m 22s | | the patch passed |
| +1 :green_heart: | shadedclient | 30m 25s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 32s | | hadoop-hdfs-client in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 34s | | The patch does not
generate ASF License warnings. |
| | | 129m 42s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.53 ServerAPI=1.53 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8217/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/8217 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 04f0bad4e1ee 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 / 50bdae7869074047962ab5026142f70d53a806dc |
| Default Java | Ubuntu-17.0.15+6-Ubuntu-0ubuntu120.04 |
| Multi-JDK versions |
/usr/lib/jvm/java-21-openjdk-amd64:Ubuntu-21.0.7+6-Ubuntu-0ubuntu120.04
/usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.15+6-Ubuntu-0ubuntu120.04 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8217/1/testReport/ |
| Max. process+thread count | 611 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client U:
hadoop-hdfs-project/hadoop-hdfs-client |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8217/1/console |
| versions | git=2.25.1 maven=3.9.11 spotbugs=4.9.7 |
| Powered by | Apache Yetus 0.14.1 https://yetus.apache.org |
This message was automatically generated.
> DatanodeID.updateRegInfo() does not update hostNameBytes causing stale
> hostname on client
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-17877
> URL: https://issues.apache.org/jira/browse/HDFS-17877
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: YUBI LEE
> Priority: Major
> Labels: pull-request-available
>
> DataNodeID.updateRegInfo() updates hostName but misses hostNameBytes.
> Since PBHelperClient.convert(DatanodeID) uses getHostNameBytes() for protobuf
> serialization, clients end up receiving the stale hostname from before the
> re-registration.
> This becomes a real problem when a DataNode first registers with a PQDN and
> later re-registers with a FQDN. With dfs.client.use.datanode.hostname=true,
> the client tries to connect using the old PQDN and fails with
> UnknownHostException.
> The fix is to add hostNameBytes = nodeReg.getHostNameBytes() in
> updateRegInfo(),
> same as how setIpAndXferPort() already handles ipAddr/ipAddrBytes together
> In my environment, I use configurations as follows:
> {code}
> dfs.client.use.datanode.hostname=true
> hadoop.security.token.service.use_ip=false
> {code}
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