[
https://issues.apache.org/jira/browse/HADOOP-18087?focusedWorklogId=733774&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-733774
]
ASF GitHub Bot logged work on HADOOP-18087:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 28/Feb/22 09:29
Start Date: 28/Feb/22 09:29
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3935:
URL: https://github.com/apache/hadoop/pull/3935#issuecomment-1054058913
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 49s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell 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 | 35m 6s | | trunk passed |
| +1 :green_heart: | compile | 26m 23s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 22m 27s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 0m 38s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 43s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 43s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 0m 40s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 1m 3s | | trunk passed |
| +1 :green_heart: | shadedclient | 24m 25s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 24s | | the patch passed |
| +1 :green_heart: | compile | 22m 48s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javac | 22m 48s | | the patch passed |
| +1 :green_heart: | compile | 20m 24s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 20m 24s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 37s |
[/results-checkstyle-hadoop-common-project_hadoop-registry.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3935/4/artifact/out/results-checkstyle-hadoop-common-project_hadoop-registry.txt)
| hadoop-common-project/hadoop-registry: The patch generated 15 new + 1
unchanged - 0 fixed = 16 total (was 1) |
| +1 :green_heart: | mvnsite | 0m 45s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 36s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 0m 38s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 1m 13s | | the patch passed |
| +1 :green_heart: | shadedclient | 21m 40s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 1m 22s | | hadoop-registry in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 54s | | The patch does not
generate ASF License warnings. |
| | | 186m 59s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3935/4/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3935 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 005f79ad197d 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / cf1e3776b25eb889a43bb736cfb0c15f83996549 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3935/4/testReport/ |
| Max. process+thread count | 549 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-registry U:
hadoop-common-project/hadoop-registry |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3935/4/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 733774)
Time Spent: 3h (was: 2h 50m)
> fix bugs when looking up record from upstream DNS servers.
> ----------------------------------------------------------
>
> Key: HADOOP-18087
> URL: https://issues.apache.org/jira/browse/HADOOP-18087
> Project: Hadoop Common
> Issue Type: Bug
> Components: registry
> Affects Versions: 3.1.2
> Reporter: YUBI LEE
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h
> Remaining Estimate: 0h
>
> When query A record which is chained by CNAME, YARN Registry DNS Server does
> not properly respond. Some CNAME records are missing.
> For example, "repo.maven.apache.org" is chaned as follows:
> repo.maven.apache.org. 21317 IN CNAME repo.apache.maven.org.
> repo.apache.maven.org. 20114 IN CNAME maven.map.fastly.net.
> maven.map.fastly.net. 7 IN A 199.232.192.215
> maven.map.fastly.net. 7 IN A 199.232.196.215
> If ask A record for "repo.maven.apache.org" using "dig" or "nslookup", YARN
> Registry DNS Server will give answers similar to this:
> (10.1.2.3, 10.8.8.8 IP is virtual)
> {code}
> $ nslookup repo.maven.apache.org 10.1.2.3
> Server: 10.1.2.3
> Address: 10.1.2.3#53
> Non-authoritative answer:
> repo.maven.apache.org canonical name = repo.apache.maven.org.
> Name: maven.map.fastly.net
> Address: 151.101.196.215
> ** server can't find repo.apache.maven.org: NXDOMAIN
> {code}
> The reason why you can see "NXDOMAIN", "nslookup" will query "A" & "AAAA"
> records.
> If there is no answer from other dns server, "answers == null" but YARN
> Registry DNS Server has a bug. There is no null handling.
> {code:java}
> // Forward lookup to primary DNS servers
> Record[] answers = getRecords(name, type);
> try {
> for (Record r : answers) {
> if (!response.findRecord(r)) {
> if (r.getType() == Type.SOA) {
> response.addRecord(r, Section.AUTHORITY);
> } else {
> response.addRecord(r, Section.ANSWER);
> }
> }
> if (r.getType() == Type.CNAME) {
> Name cname = r.getName();
> if (iterations < 6) {
> remoteLookup(response, cname, type, iterations + 1);
> }
> }
> }
> } catch (NullPointerException e) {
> return Rcode.NXDOMAIN;
> } catch (Throwable e) {
> return Rcode.SERVFAIL;
> }
> return Rcode.NOERROR;
> {code}
> It should be like this:
> {code}
> nslookup repo.maven.apache.org 10.8.8.8
> Server: 10.8.8.8
> Address: 10.8.8.8#53
> Non-authoritative answer:
> repo.maven.apache.org canonical name = repo.apache.maven.org.
> repo.apache.maven.org canonical name = maven.map.fastly.net.
> Name: maven.map.fastly.net
> Address: 151.101.196.215
> {code}
> I will make a pull request at https://github.com/apache/hadoop soon.
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