[erlang-questions] Stopping of Erlang app hangs when mnesia stopped from within the program

[Mazen Harake]

  The application controller is already busy trying to stop your app, 
when you do mnesia:stop() I suspect it is trying to call the application 
controller to stop it but the application controller is already busy 
trying to stop your app, when you do mnesia:stop() I suspect it is 
trying to call the application controller to stop it but the application 
controller is already busy trying to stop your app.

:)

Use a boot file to handle startup of your applications or a function 
which starts mnesia and then starts your app (and the reverse in a stop 
function).

 > Should I not use these prototype functions within a fully fledged 
erlang app?
No you shouldn't

/Mazen

On 13/08/2010 17:02, Ken Robinson wrote:
> Hi all,
>
> I've run into a problem where I cannot stop mnesia within my program
> without causing the app to hang.
>
> I'm presently doing prototyping of mnesia within my erlang app.
>
> In my jaus_app.erl file the start() calls:
>
> {atomic, ok} = mnesia:load_textfile("priv/mnesia_prototype.txt")
>
> My stop() function calls:
>
> mnesia:dump_to_textfile("priv/mnesia_prototype_res.txt"),
> mnesia:stop(),
>
> When I comment out these lines and start and stop mnesia from the
> erlang prompt, I am able to stop my application cleanly.
>
> Should I not use these prototype functions within a fully fledged erlang app?
>
> Ken.
>
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