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https://issues.apache.org/jira/browse/FLINK-25464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17468961#comment-17468961
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Huang Xingbo commented on FLINK-25464:
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[~trohrmann] Because all hanging installation occurs in Python3.8 and other
versions of Python do not have this problem, I guess it is caused by that an
package is installed from source package(it will cause much more time) rather
than installing from wheel package in Python 3.8. Unfortunately, the downloaded
information is hidden that we can't see which package is being downloaded and
installed. So I'm trying to adding some infos and run tests in my private Azure
to find which package caused this unstable download failure.
> Python tests hangs on install dependencies
> ------------------------------------------
>
> Key: FLINK-25464
> URL: https://issues.apache.org/jira/browse/FLINK-25464
> Project: Flink
> Issue Type: Bug
> Components: API / Python, Build System / Azure Pipelines
> Affects Versions: 1.13.5, 1.14.2
> Reporter: Yun Gao
> Assignee: Huang Xingbo
> Priority: Critical
> Labels: test-stability
> Fix For: 1.13.6, 1.14.3
>
>
> {code:java}
> Dec 25 04:35:54 py38-cython create: /__w/1/s/flink-python/.tox/py38-cython
> Dec 25 04:35:58 py38-cython installdeps: -rdev/dev-requirements.txt, pytest,
> apache-flink-libraries
> Dec 25 04:51:00
> ==============================================================================
> Dec 25 04:51:00 Process produced no output for 900 seconds.
> Dec 25 04:51:00
> ==============================================================================
> Dec 25 04:51:00
> ==============================================================================
> Dec 25 04:51:00 The following Java processes are running (JPS)
> Dec 25 04:51:00
> ==============================================================================
> Picked up JAVA_TOOL_OPTIONS: -XX:+HeapDumpOnOutOfMemoryError
> Dec 25 04:51:00 137834 Jps
> Dec 25 04:51:00
> ==============================================================================
> Dec 25 04:51:00 Printing stack trace of Java process 137834
> Dec 25 04:51:00
> ==============================================================================
> Picked up JAVA_TOOL_OPTIONS: -XX:+HeapDumpOnOutOfMemoryError
> 137834: No such process
> Dec 25 04:51:00 Killing process with pid=725 and all descendants
> ./flink-python/dev/lint-python.sh: line 580: 2770 Terminated
> $TOX_PATH -c $FLINK_PYTHON_DIR/tox.ini --recreate 2>&1
> 2771 | tee -a $LOG_FILE
> /__w/1/s/tools/ci/watchdog.sh: line 113: 725 Terminated $cmd
> Dec 25 04:51:00 Process exited with EXIT CODE: 143.
> Dec 25 04:51:00 Trying to KILL watchdog (720).
> Dec 25 04:51:00 Searching for .dump, .dumpstream and related files in
> '/__w/1/s'
> The STDIO streams did not close within 10 seconds of the exit event from
> process '/bin/bash'. This may indicate a child process inherited the STDIO
> streams and has not yet exited.
> ##[error]Bash exited with code '143'.
> {code}
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=28588&view=logs&j=821b528f-1eed-5598-a3b4-7f748b13f261&t=6bb545dd-772d-5d8c-f258-f5085fba3295&l=23407
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