[erlang-questions] Fwd: mysterious reltool exception

Håkan Mattsson <>
Thu Nov 17 14:48:26 CET 2011


The file egon_server.0.1.config is not an app-file.

How does the file /home/nick/code/egon_server/ebin/egon_server.app look like?

/Håkan

2011/11/17 Nikola Skoric <>:
> Nope, as you see here:
> 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}]}]}]}
>
> Kernel is included.
>
> Regards,
> Nikola
>
> 2011/11/17 Håkan Mattsson <>:
>> 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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>>>>> 
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>
>
>
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