[erlang-questions] Fwd: mysterious reltool exception

Håkan Mattsson <>
Thu Nov 17 14:36:59 CET 2011


That was a poor error message. Sorry.

Can it be the case that the app-file in egon_server does not list
kernel as an application that it depends of?

/Håkan

On Thu, Nov 17, 2011 at 12:30 PM, Nikola Skoric <> wrote:
> I'm using erlang distribution which came with Ubuntu 11.04. I'll
> upgrade to 11.10 as soon as I get time.
>
> I tried with /code directory, but I get an error:
>
> :~/code/egon_server/releases$ erl
> Erlang R13B03 (erts-5.7.4) [source] [smp:4:4] [rq:4] [async-threads:0]
> [hipe] [kernel-poll:false]
>
> Eshell V5.7.4  (abort with ^G)
> 3> {ok, Conf1} = file:consult("egon_server.0.1.config").
> {ok,[{sys,[{lib_dirs,["/home/nick/code/"]},
>           {rel,"egon_server","0.1",[kernel,sasl,stdlib,egon_server]},
>           {boot_rel,"egon_server"},
>           {relocatable,true},
>           {profile,standalone},
>           {app,egon_server,[{vsn,"0.0.1"},{debug_info,keep}]}]}]}
> 4> {ok, Spec} = reltool:get_target_spec(Conf1).
> ** exception error: no match of right hand side value {error,
>                                                       "Mandatory
> application kernel is not included in []"}
> 5>
>
> Cheerz,
> Nikola
>
> On 17 November 2011 12:22, Siri Hansen <> wrote:
>> Hi Nikola!
>> You are using a quite old reltool, so I would consider upgrading it...
>> Anyway, I'm guessing now, but I suspect that the problem is that the
>> lib_dirs you provide is really the application directory and not the lib
>> dir... could that be correct? What I mean is that maybe lib_dirs should be
>> set to /home/nick/code instead of /home/nick/code/egon_server??
>> /siri
>>
>> 2011/11/17 Nikola Skoric <>
>>>
>>> So, this is my erlang app: https://github.com/egon-sim/egon_server
>>> I've been successfully creating releases on WinXP using this rel file:
>>>
>>> https://github.com/egon-sim/egon_server/blob/master/releases/egon_server.rel
>>> Now I'd like to create a linux release, and maintaining two .rel files
>>> is tiresome, so I decided to migrate to reltool which is, I hear,
>>> easier to maintain. I'm using this tutorial:
>>> http://learnyousomeerlang.com/release-is-the-word
>>>
>>> So, this is what I do:
>>> :~/code/egon_server/releases$ erl
>>> Erlang R13B03 (erts-5.7.4) [source] [smp:4:4] [rq:4] [async-threads:0]
>>> [hipe] [kernel-poll:false]
>>>
>>> Eshell V5.7.4  (abort with ^G)
>>> 1> {ok, Conf} = file:consult("egon_server.0.1.config").
>>> {ok,[{sys,[{lib_dirs,["/home/nick/code/egon_server/"]},
>>>           {rel,"egon_server","0.1",[kernel,sasl,stdlib,egon_server]},
>>>           {boot_rel,"egon_server"},
>>>           {relocatable,true},
>>>           {profile,standalone},
>>>           {app,egon_server,[{vsn,"0.0.1"},{debug_info,keep}]}]}]}
>>> 2> {ok, Spec} = reltool:get_target_spec(Conf).
>>> ** exception exit: {badmatch,false}
>>>     in function  reltool_target:app_to_rel/2
>>>     in call from reltool_target:'-gen_rel/2-lc$^0/1-0-'/2
>>>     in call from reltool_target:'-gen_rel/2-lc$^0/1-0-'/2
>>>     in call from reltool_target:gen_rel/2
>>>     in call from reltool_target:do_spec_rel_files/2
>>>     in call from reltool_target:'-spec_rel_files/1-lc$^0/1-0-'/2
>>>     in call from reltool_target:spec_rel_files/1
>>>     in call from reltool_target:do_gen_spec/1
>>> 3>
>>>
>>> Google doesn't know anything about reltool_target. Do you? :-)
>>>
>>> --
>>> "Strange women lying in ponds distributing swords is no basis for a
>>> system of government."
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>>> 
>>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>>
>>
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>
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