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Posted to common-issues@hadoop.apache.org by "konstantinb (via GitHub)" <gi...@apache.org> on 2026/04/14 23:27:23 UTC
[PR] MAPREDUCE-7536: reduce log ERROR noise for ignorable ShuffleChannelHandler errors [hadoop]
konstantinb opened a new pull request, #8427:
URL: https://github.com/apache/hadoop/pull/8427
…
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### Description of PR
MAPREDUCE-7536: reduce log ERROR noise for ignorable ShuffleChannelHandler errors
### How was this patch tested?
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Re: [PR] MAPREDUCE-7536: reduce log ERROR noise for ignorable ShuffleChannelHandler errors [hadoop]
Posted by "hadoop-yetus (via GitHub)" <gi...@apache.org>.
hadoop-yetus commented on PR #8427:
URL: https://github.com/apache/hadoop/pull/8427#issuecomment-4984814858
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 55s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files found. |
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| +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 30s | | trunk passed |
| +1 :green_heart: | compile | 0m 47s | | trunk passed with JDK Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | compile | 0m 47s | | trunk passed with JDK Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | checkstyle | 0m 48s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 50s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 51s | | trunk passed with JDK Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javadoc | 0m 48s | | trunk passed with JDK Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | spotbugs | 1m 7s | | trunk passed |
| +1 :green_heart: | shadedclient | 34m 53s | | 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 19s | | the patch passed with JDK Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javac | 0m 19s | | the patch passed |
| +1 :green_heart: | compile | 0m 20s | | the patch passed with JDK Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javac | 0m 20s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. |
| +1 :green_heart: | checkstyle | 0m 16s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 24s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 24s | | the patch passed with JDK Ubuntu-21.0.11+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | javadoc | 0m 23s | | the patch passed with JDK Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
| +1 :green_heart: | spotbugs | 0m 56s | | the patch passed |
| +1 :green_heart: | shadedclient | 34m 57s | | patch has no errors when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 1m 3s | | hadoop-mapreduce-client-shuffle in the patch passed. |
| +1 :green_heart: | asflicense | 0m 35s | | The patch does not generate ASF License warnings. |
| | | 134m 9s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.55 ServerAPI=1.55 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8427/2/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/8427 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 68af49a7bc6e 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 / 6290a40b696fbbd742b1e10ff95c43cd8ca94f69 |
| Default Java | Ubuntu-17.0.19+10-1-24.04.2-Ubuntu |
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| Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8427/2/testReport/ |
| Max. process+thread count | 573 (vs. ulimit of 10000) |
| modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle |
| Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8427/2/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 |
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Re: [PR] MAPREDUCE-7536: reduce log ERROR noise for ignorable ShuffleChannelHandler errors [hadoop]
Posted by "konstantinb (via GitHub)" <gi...@apache.org>.
konstantinb commented on PR #8427:
URL: https://github.com/apache/hadoop/pull/8427#issuecomment-4995686097
Gentle ping for review — this has been open since April and is a small, self-contained change.
It extends the existing ignorable-error handling already present in `exceptionCaught` (`ClosedChannelException` / `IGNORABLE_ERROR_MESSAGE`) into the `operationComplete` path, so routine client disconnects during `sendMap` log at DEBUG instead of ERROR. No functional or API change: the channel is still closed and the future short-circuits exactly as before — the only change is logging, where client-disconnect causes now take a dedicated DEBUG message instead of the ERROR line, matching the handling already in `exceptionCaught`.
Includes a parameterized test covering both the ignorable cases and the genuine-error case.
Merged in recent trunk changes yesterday, and Yetus is green.
@pjfanning would you have a few minutes to take a look, given your recent Netty work in this area? Thanks!
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Re: [PR] MAPREDUCE-7536: reduce log ERROR noise for ignorable ShuffleChannelHandler errors [hadoop]
Posted by "hadoop-yetus (via GitHub)" <gi...@apache.org>.
hadoop-yetus commented on PR #8427:
URL: https://github.com/apache/hadoop/pull/8427#issuecomment-4248581166
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 19m 16s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 1s | | 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 | 46m 30s | | 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 47s | | trunk passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | checkstyle | 0m 49s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 50s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 51s | | trunk passed with JDK Ubuntu-21.0.10+7-Ubuntu-124.04 |
| +1 :green_heart: | javadoc | 0m 48s | | trunk passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | spotbugs | 1m 7s | | trunk passed |
| +1 :green_heart: | shadedclient | 33m 49s | | branch has no errors when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 22s | | the patch passed |
| +1 :green_heart: | compile | 0m 19s | | the patch passed with JDK Ubuntu-21.0.10+7-Ubuntu-124.04 |
| +1 :green_heart: | javac | 0m 19s | | the patch passed |
| +1 :green_heart: | compile | 0m 19s | | the patch passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1 |
| +1 :green_heart: | javac | 0m 19s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. |
| +1 :green_heart: | checkstyle | 0m 17s | | 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 48s | | the patch passed |
| +1 :green_heart: | shadedclient | 32m 47s | | patch has no errors when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 1m 2s | | hadoop-mapreduce-client-shuffle in the patch passed. |
| +1 :green_heart: | asflicense | 0m 35s | | The patch does not generate ASF License warnings. |
| | | 146m 6s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.54 ServerAPI=1.54 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8427/1/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/8427 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 4b41178d0339 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 4bdcd794dffdc856b82d0ac6bf6ecccdb4fb9736 |
| 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-8427/1/testReport/ |
| Max. process+thread count | 587 (vs. ulimit of 10000) |
| modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle |
| Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8427/1/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 |
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