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https://issues.apache.org/jira/browse/BEAM-8149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Mai updated BEAM-8149:
----------------------------
    Description: 
The multi-process runner does not handle SIGINT gracefully. To reproduce, run 
wordcount.py using the "Run with multiprocessing mode" instructions from the 
first comment in BEAM-3645 (in Python 3).

Expected: wordcount terminates gracefully when Ctrl-C is pressed during 
pipeline execution (similarly to default direct runner)
Actual: wordcount hangs forever after printing the following once per worker:

{code}
Exception in thread run_worker:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File 
"/usr/local/google/home/yifanmai/venv/wordcount/lib/python3.6/site-packages/apache_beam/runners/portability/local_job_service.py",
 line 216, in run
    'Worker subprocess exited with return code %s' % p.returncode)
RuntimeError: Worker subprocess exited with return code 1
{code}

  was:
The multi-process runner does not handle SIGINT gracefully. To reproduce, run 
wordcount.py using the "Run with multiprocessing mode" instructions from the 
comment above (in Python 3).

Expected: wordcount terminates gracefully when Ctrl-C is pressed during 
pipeline execution (similarly to default direct runner)
Actual: wordcount hangs forever after printing the following once per worker:

{code}
Exception in thread run_worker:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File 
"/usr/local/google/home/yifanmai/venv/wordcount/lib/python3.6/site-packages/apache_beam/runners/portability/local_job_service.py",
 line 216, in run
    'Worker subprocess exited with return code %s' % p.returncode)
RuntimeError: Worker subprocess exited with return code 1
{code}


> [FnApiRunner]multi-process runner does not terminate cleanly upon receiving 
> SIGINT
> ----------------------------------------------------------------------------------
>
>                 Key: BEAM-8149
>                 URL: https://issues.apache.org/jira/browse/BEAM-8149
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>    Affects Versions: 2.15.0
>            Reporter: Hannah Jiang
>            Assignee: Hannah Jiang
>            Priority: Major
>
> The multi-process runner does not handle SIGINT gracefully. To reproduce, run 
> wordcount.py using the "Run with multiprocessing mode" instructions from the 
> first comment in BEAM-3645 (in Python 3).
> Expected: wordcount terminates gracefully when Ctrl-C is pressed during 
> pipeline execution (similarly to default direct runner)
> Actual: wordcount hangs forever after printing the following once per worker:
> {code}
> Exception in thread run_worker:
> Traceback (most recent call last):
>   File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
>     self.run()
>   File "/usr/lib/python3.6/threading.py", line 864, in run
>     self._target(*self._args, **self._kwargs)
>   File 
> "/usr/local/google/home/yifanmai/venv/wordcount/lib/python3.6/site-packages/apache_beam/runners/portability/local_job_service.py",
>  line 216, in run
>     'Worker subprocess exited with return code %s' % p.returncode)
> RuntimeError: Worker subprocess exited with return code 1
> {code}



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