[erlang-questions] running release handler from -eval or -run

[Michael McDaniel]

If it is working for you from an erlang command line, sasl has already
been started (not by default, though, as you can see below).


mmcdanie@REDACTED:~/misc/src/erlang$ erl
Erlang R13B (erts-5.7.1) [rq:1] [async-threads:0] [hipe] [kernel-poll:false]

Eshell V5.7.1  (abort with ^G)
1> release_handler:which_release().
** exception error: undefined function release_handler:which_release/0
2> 


~M



On Wed, May 20, 2009 at 03:57:25PM -0700, Joe Williams wrote:
> That works for me, thanks guys. I assume when you use the erlang 
> terminal sasl gets started up but using eval it doesn't start until 
> after the directives are evaluated?
> 
> Thanks.
> 
> -Joe
> 
> 
> Michael McDaniel wrote:
> > try ...
> >
> > erl -eval 'application:start(sasl) , release_handler:which_releases(), init:st
> > op()'
> >
> > The clue is in the release_handler documentation where it says it is
> > a process belonging to the SASL application.  And the error message
> > below saying there is noproc, {gen_server ... .
> >
> > ~M
> >
> >
> > On Wed, May 20, 2009 at 02:34:37PM -0700, Joe Williams wrote:
> >   
> >> I am attempting to run release handler commands using -eval (or -run) 
> >> and receive the following error. Running the commands in the erlang 
> >> terminal work fine.
> >>
> >>     
> >>> $ erl -eval 'release_handler:which_releases()'
> >>> Erlang R13B (erts-5.7.1) [source] [64-bit] [smp:2:2] [rq:2] 
> >>> [async-threads:0] [hipe] [kernel-poll:false]
> >>>
> >>> Eshell V5.7.1  (abort with ^G)
> >>> 1> {"init terminating in 
> >>> do_boot",{noproc,{gen_server,call,[release_handler,which_releases]}}}
> >>>
> >>> Crash dump was written to: erl_crash.dump
> >>> init terminating in do_boot ()
> >>>       
> >> Running something like inets:start or application:which_applications 
> >> works as expected:
> >>
> >>     
> >>> $ erl -eval 'inets:start()'
> >>> Erlang R13B (erts-5.7.1) [source] [64-bit] [smp:2:2] [rq:2] 
> >>> [async-threads:0] [hipe] [kernel-poll:false]
> >>>
> >>> Eshell V5.7.1  (abort with ^G)
> >>> 1>
> >>>       
> >> Any idea what might be causing this?
> >>
> >>
> >> Thanks.
> >>
> >> -Joe
> >>
> >> -- 
> >> Name: Joseph A. Williams
> >> Email: joe@REDACTED
> >> Blog: http://www.joeandmotorboat.com/
> >>
> >> _______________________________________________
> >> erlang-questions mailing list
> >> erlang-questions@REDACTED
> >> http://www.erlang.org/mailman/listinfo/erlang-questions
> >>     
> >
> >   
> 
> -- 
> Name: Joseph A. Williams
> Email: joe@REDACTED
> Blog: http://www.joeandmotorboat.com/
> 
> _______________________________________________
> erlang-questions mailing list
> erlang-questions@REDACTED
> http://www.erlang.org/mailman/listinfo/erlang-questions

-- 
Michael McDaniel
Portland, Oregon, USA
http://trip.autosys.us
http://autosys.us