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'cmd1 = psutil.Process(pid).cmdline()[0]' with IndexError: list index out of range #8

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zhaopan-vip opened this issue Oct 29, 2021 · 0 comments

zhaopan-vip commented Oct 29, 2021

Exception:

File "... /pidfile/pidfile.py", line 29, in is_running
   cmd1 = psutil.Process(pid).cmdline()[0]
IndexError: list index out of range

This occurs when process been killed, with pidfile not removed...
Then next time run it, the exception happens...

Should we change the cmdline check with code below?

        try:
            cmdline = psutil.Process(pid).cmdline()
            if not cmdline:
                return False
            cmd1 = cmdline[0]
            return cmd1 == self._process_name
        except psutil.AccessDenied:
            return False

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