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https://issues.apache.org/jira/browse/MAPREDUCE-7502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18073535#comment-18073535
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ASF GitHub Bot commented on MAPREDUCE-7502:
-------------------------------------------
drewfarris commented on PR #7902:
URL: https://github.com/apache/hadoop/pull/7902#issuecomment-4245556664
@stoty @cnauroth there are related changes to #7902 that need to be made in
[HadoopPipes.cc](hadoop-tools/hadoop-pipes/src/main/native/pipes/impl/HadoopPipes.cc#L1055),
which still uses the old environment variable names. I suspect test coverage
isn't sufficient to surface this as an issue.
It does also force a rebuild of pipes C++ code, which seems like a
significant change for a minor release version 3.4.2 -> 3.4.3
> TestPipeApplication silently hangs
> ----------------------------------
>
> Key: MAPREDUCE-7502
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7502
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Major
> Labels: pull-request-available, test
> Fix For: 3.5.0, 3.4.3
>
> Attachments: 2025-08-25T14-25-05_442-jvmRun1.dump
>
>
> TestPipeApplication silently hangs.
> This happens both on my machine and in the CI runs.
> This is actually two problems:
> - The test hangs
> - The hang does not appear in the CI output, and does not cause the test to
> fail
> The snippet below is from
> https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java11-linux-x86_64/827/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt/*view*/:
> {noformat}
> ...
> [INFO] Running org.apache.hadoop.mapred.TestTaskPerformanceSplits
> [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.052
> s - in org.apache.hadoop.mapred.TestTaskPerformanceSplits
> [INFO] Running org.apache.hadoop.mapred.pipes.TestPipeApplication
> [INFO] Running org.apache.hadoop.mapred.pipes.TestPipesNonJavaInputFormat
> [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.563
> s - in org.apache.hadoop.mapred.pipes.TestPipesNonJavaInputFormat
> ...
> [INFO] Results:
> [INFO]
> [WARNING] Tests run: 574, Failures: 0, Errors: 0, Skipped: 1
> [INFO]
> [ERROR] There was a timeout or other error in the fork
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 02:04 h
> [INFO] Finished at: 2025-03-07T16:27:28Z{noformat}
>
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