subprocess.Popen: does not return complete output , when run through crontab
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 20/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- python
- Domain
- operating-systems
Research direction
Start from the inline subprocess.Popen and communicate() example and reproduce the command under both a shell and crontab. Compare the cron environment and captured stdout/stderr; done means identifying the cause of the differing output and confirming complete capture in the cron run.
Written by the indexing model from the issue text.
Description
I am calling some java binary in unix environment wrapped inside python script
When I call script from bash, output comes clean and also being stored in desired variable , However when i run the same script from Cron, Output stored(in a Variable) is incomplete
my code:
command = '/opt/HP/BSM/PMDB/bin/abcAdminUtil -abort -streamId ETL_' \
'SystemManagement_PA@Fact_SCOPE_OVPAGlobal'
proc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(output, err) = proc.communicate() # Storing Output in output variable
Value of output variable when running from shell:
Abort cmd output:PID:8717
Executing abort function
hibernateConfigurationFile = /OBRHA/HPE-OBR/PMDB/lib/hibernate-core-4.3.8.Final.jar
Starting to Abort Stream ETL_SystemManagement_PA@Fact_SCOPE_OVPAGlobal
Aborting StreamETL_SystemManagement_PA@Fact_SCOPE_OVPAGlobal
Value of output variable when running from cron:
PID:830
It seems output after creating new process is not being stored into variable , i don't know why ?
- Dominant language
- Python
- Stars
- 3
- Forks
- 12
- PR merge metrics
- No merged PRs in 30d
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