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Experiments don't run on mac capitan - OS error without traceback info

Hi all,

I'm (trying to) run experiments on OpenSesame's latest release on a mac (capitan version). However, the experiments just won't run. No matter the back-end, or the file I am trying to run, whenever I run any experiment (Full screen or windowed), it simply gets to the "Stopped" message, claiming an unexpected error:

Details
item-stack: ``
exception message: [Errno 2] No such file or directory
time: Fri Oct 14 12:43:43 2016
exception type: OSError

Also, the traceback doesn't show anything at all.

Do you guys have any idea what is going on?
Thanks!
D.

Comments

  • Hi D.
    Sorry to hear that it's not working for you. Sadly your error message is also not really helpful in a way that it tells us more about the origin of your problem. You say you don't get a stack trace, but could still give us a bit more contextual information, such as

    1. What are the steps we should perform to reproduce this problem?
    2. What is the exact version of OpenSesame that you are using?
    3. Where do you have OpenSesame installed? Is it just the /Applications folder?
    4. What runner are you using? You can find this in the preferences page. It should either be multiprocessing or inprocess

    Another thing you could try is to run OpenSesame from the command line and see if it prints more useful information there. To do so, open a terminal and run this command from the folder in which the OpenSesame.app is located

    ~ ./OpenS esame.app/Contents/MacOS/OpenSesame ~

    OpenSesame should start as normally, but in this mode any error messages should also be printed to the terminal window. Let us know if this provides some more info.

    Buy Me A Coffee

  • Hey Daniel!

    Sorry I could not provide any more information, I didn't really know how to get anything else useful... Anyway, I deleted, rebooted and reinstalled OpenSesame, and it seems to work now, or at least I have not been able to reproduce that error anymore.

    To you questions:
    1. Just running any experiment (Opening and editing was fine, it was only when I tried to run it). Initially I though it had something to do with eyelink/pygaze, because that was the kind of experiment I was trying to run hen I first got the error, but then it also happened with one of the example experiments I downloaded from the site.
    2. Latest version, 3.1.2 (both before and after removing and re-installing it).
    3. As far as I can tell, yes, only on the applications folder
    4. I'm using inprocess now, and I assume also when I got the error (that is the default, right? I'm pretty sure I have never changed it)

    I tried opening it from terminal, and it also seems to run ok now, there is nothing remarkable in the terminal window when I run stuff, and it does run.

    So, false alarm I guess. Sorry for the fuzz!!
    And thanks a lot for looking after it!
    D.

  • Hey DPrec,

    Glad to hear reinstalling OpenSesame solved the problem. Inprocess used to be the default because multiprocessing never worked for the Mac, but since 3.1 it does, so I recommend switching to that mode. It will make running experiments generally much more stable!

    Buy Me A Coffee

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