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Python：subprocess.Popen返回OSError：[Errno 2]没有这样的文件或目录

[英]Python: subprocess.Popen returns OSError: [Errno 2] No such file or directory

 原文  2015-09-11 17:20:49  9   1    python/ python-2.7/ subprocess

问题描述

In my script I have the below line: 在我的脚本中，我有以下内容： 

proc = subprocess.Popen(["qstat", "-xml", "-u", "*", "-r", "-s", "r"],  stdout=subprocess.PIPE)

It works fine when I run it, but when it is set up as a cronjob I am getting back: 当我运行它时，它工作正常，但是当将它设置为cronjob时，我会回来： 

Traceback (most recent call last): File 
File "/seq/software/current/bin/createOpsDashboard.py", line 171, 
in get_pod_occupied_slots
proc = subprocess.Popen(["qstat", "-xml", "-u", "*", "-r", "-s", "r"], stdout=subprocess.PIPE)
File "/software/free/Linux/redhat_5_x86_64/pkgs/python_2.7.1-sqlite3-rtrees/lib/python2.7/subprocess.py", line 672, in __init__ errread, errwrite)
File "/software/free/Linux/redhat_5_x86_64/pkgs/python_2.7.1-sqlite3-rtrees/lib/python2.7/subprocess.py", line 1202, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

What is causing this? 是什么原因造成的？ The cronjob is calling a shell script which load Python-2.7 and then calls the real script. cronjob正在调用加载Python-2.7的Shell脚本，然后调用真实脚本。

1 个解决方案

解决方案1
 4  2015-09-11 17:25:57

Use full path for "qstat", eg "/usr/local/bin/qstat". 对“ qstat”使用完整路径，例如“ / usr / local / bin / qstat”。 PATH environment variable for cronjob is usually restricted to default path (eg /bin:/usr/bin). 通常将cronjob的PATH环境变量限制为默认路径（例如/ bin：/ usr / bin）。

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