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https://issues.apache.org/jira/browse/HADOOP-20020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18127099#comment-18127099
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ASF GitHub Bot commented on HADOOP-20020:
-----------------------------------------
hadoop-yetus commented on PR #8820:
URL: https://github.com/apache/hadoop/pull/8820#issuecomment-6169316267
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 1m 5s | | 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 | 49m 23s | | trunk passed |
| +1 :green_heart: | compile | 17m 56s | | trunk passed with JDK
Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | compile | 21m 58s | | trunk passed with JDK
Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | checkstyle | 1m 36s | | trunk passed |
| +1 :green_heart: | mvnsite | 2m 22s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 37s | | trunk passed with JDK
Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | javadoc | 1m 29s | | trunk passed with JDK
Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | spotbugs | 3m 38s | | trunk passed |
| +1 :green_heart: | shadedclient | 38m 0s | | branch has no errors
when building and testing our client artifacts. |
| -0 :warning: | patch | 38m 35s | | Used diff version of patch file.
Binary files and potentially other changes not applied. Please rebase and
squash commits if necessary. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 18s | | the patch passed |
| +1 :green_heart: | compile | 17m 8s | | the patch passed with JDK
Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | javac | 17m 8s | | the patch passed |
| +1 :green_heart: | compile | 18m 20s | | the patch passed with JDK
Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | javac | 18m 20s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 1m 28s | | the patch passed |
| +1 :green_heart: | mvnsite | 2m 3s | | the patch passed |
| +1 :green_heart: | javadoc | 1m 24s | | the patch passed with JDK
Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | javadoc | 1m 24s | | the patch passed with JDK
Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | spotbugs | 3m 26s | | the patch passed |
| +1 :green_heart: | shadedclient | 36m 44s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 23m 47s | | hadoop-common in the patch
passed. |
| +1 :green_heart: | asflicense | 1m 15s | | The patch does not
generate ASF License warnings. |
| | | 248m 38s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.56 ServerAPI=1.56 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8820/1/artifact/out/Dockerfile
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 6c619d2143f8 5.15.0-185-generic #195-Ubuntu SMP Fri Jun 19
17:11:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / baaeebe5e41648fb17792775afee1897b6788a66 |
| Default Java | Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| Multi-JDK versions |
/usr/lib/jvm/java-21-openjdk-amd64:Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu
/usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8820/1/testReport/ |
| Max. process+thread count | 3103 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8820/1/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.
> DNS.reverseDns throws NullPointerException when the answer has no PTR record
> ----------------------------------------------------------------------------
>
> Key: HADOOP-20020
> URL: https://issues.apache.org/jira/browse/HADOOP-20020
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
> Labels: pull-request-available
>
> {{DNS.reverseDns}} reads {{attribute.get("PTR").get()}} without a null check.
> When the DNS server answers the reverse query with NOERROR but no PTR record
> (a NODATA answer), JNDI returns no PTR attribute and {{reverseDns}} throws
> {{NullPointerException}}.
> The callers, {{DNS.getHosts}} and {{DNSDomainNameResolver.getHostnameByIP}},
> only catch {{NamingException}}, so the exception escapes instead of falling
> back. Through {{getHostnameByIP}} it reaches
> {{SecurityUtil.getServerPrincipal(String, InetAddress)}} and
> {{ServiceAuthorizationManager.authorize}}. A name that does not exist
> (NXDOMAIN) already fails with {{NameNotFoundException}} and is handled.
> Throw {{NameNotFoundException}} when the answer has no PTR record. This
> applies to IPv4 and IPv6 addresses alike. It was seen with a resolver that
> answers NODATA for the {{ip6.arpa}} name of {{::}}.
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