#1910 ✓resolved
Guylian Pot

Stacktrace when running play start with existing pid but no process

Reported by Guylian Pot | January 20th, 2015 @ 12:59 PM | in 1.5.1 (closed)

Framework version: 1.3.0
Platform you're using: Windows

Reproduction steps:

  • Execute play start
  • Make it crash or manually kill the process, so the PID file doesn't get cleaned up
  • Execute play start

Details:
Expecting either a graceful error message or a silent resolving. Instead, I get the following stacktrace:

Traceback (most recent call last):
  File "C:\Play\play-1.3.0\play", line 156, in <module>
    status = cmdloader.commands[play_command].execute(command=play_command, app=play_app, args=remaining_args, env=play_env, cmdloader=cmdloader)
  File "C:\Play\play-1.3.0\framework\pym\play\commands\daemon.py", line 25, in execute
    start(app, args)
  File "C:\Play\play-1.3.0\framework\pym\play\commands\daemon.py", line 39, in start
    if process_running(pid):
  File "C:\Play\play-1.3.0\framework\pym\play\commands\daemon.py", line 159, in process_running
    return process_running_nt(pid)
  File "C:\Play\play-1.3.0\framework\pym\play\commands\daemon.py", line 192, in process_running_nt
    if process_list_nt().get(pid,"") != "":
  File "C:\Play\play-1.3.0\framework\pym\play\commands\daemon.py", line 170, in process_list_nt
    junk, instances = win32pdh.EnumObjectItems(None,None,'process', win32pdh.PERF_DETAIL_WIZARD)
pywintypes.error: (-1073738824, 'EnumObjectItems for buffer size', 'The specified object was not found on the computer.'
)

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<h2>Play framework</h2>

Play makes it easier to build Web applications with Java. It is a clean alternative to bloated Enterprise Java stacks. It focuses on developer productivity and targets RESTful architectures. Learn more on the <a href="http://www.playframework.org">http://www.playframework.org</a> website.<br><br>

<h2>Source code is hosted on github</h2>Check out our repository at <a href="http://github.com/playframework/play">http://github.com/playframework/play</a><br><br>

<h2>Contributing, creating a patch</h2> Please read the <a href="http://play.lighthouseapp.com/projects/57987/contributor-guide">contributor guide</a><br><br>

<h2>Reporting Security Vulnerabilities</h2> Since all bug reports are public, please report any security vulnerability directly to <em>guillaume dot bort at gmail dot com</em>.<br><br>

<h2>Creating a bug report</h2> Bug reports are incredibly helpful, so take time to report bugs and request features in our ticket tracker. We’re always grateful for patches to Play’s code. Indeed, bug reports with attached patches will get fixed far quickly than those without any.<br><br>

Please include as much relevant information as possible including the exact framework version you're using and a code snippet that reproduces the problem.<br><br>

Don't have too much expectations. Unless the bug is really a serious "everything is broken" thing, you're creating a ticket to start a discussion. Having a patch (or a branch on Github we can pull from) is better, but then again we'll only pull high quality branches that make sense to be in the core of Play.

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