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Posted to issues@lucene.apache.org by "Mayya Sharipova (Jira)" <ji...@apache.org> on 2021/06/16 20:55:00 UTC
[jira] [Updated] (LUCENE-10006) poll_mirrors.py release script
doesn't fork processes properly on Mac machine
[ https://issues.apache.org/jira/browse/LUCENE-10006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mayya Sharipova updated LUCENE-10006:
-------------------------------------
Summary: poll_mirrors.py release script doesn't fork processes properly on Mac machine (was: poll_mirrors.py release script doesn't fork processes properly on Mac)
> poll_mirrors.py release script doesn't fork processes properly on Mac machine
> -----------------------------------------------------------------------------
>
> Key: LUCENE-10006
> URL: https://issues.apache.org/jira/browse/LUCENE-10006
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Mayya Sharipova
> Priority: Trivial
>
> On my Mac machine with Python 3.9.5 running:
> {{python3 -u dev-tools/scripts/poll-mirrors.py -version 8.9.0 -o}}
>
> results in following recursive errors, unless manually forced to stop:
>
> {code:java}
> "/~/.lucene-releases/8.9.0/lucene-solr/dev-tools/scripts/poll-mirrors.py", line 158, in <module>
> with Pool(processes=5) as pool:
> File "/usr/local/Cellar/python@3.9/3.9.5/Frameworks/Python.framework/Versions/3.9/lib/python3.9/multiprocessing/context.py", line 119, in Pool
> return Pool(processes, initializer, initargs, maxtasksperchild,
> File
> ....
> File "/usr/local/Cellar/python@3.9/3.9.5/Frameworks/Python.framework/Versions/3.9/lib/python3.9/multiprocessing/spawn.py", line 134, in _check_not_importing_main
> raise RuntimeError('''
> RuntimeError:
> An attempt has been made to start a new process before the
> current process has finished its bootstrapping phase.
> This probably means that you are not using fork to start your
> child processes and you have forgotten to use the proper idiom
> in the main module:
> if _name_ == '_main_':
> freeze_support()
> ...
> The "freeze_support()" line can be omitted if the program
> is not going to be frozen to produce an executable.
> {code}
>
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