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 Posted: Wed Mar 05, 2008 5:12 am |
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Guest
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Hi all,
so i wanted to play around with the erlyweb_controller functions
without messing around with the file itself. so i cut and pasted all
its code (changed module declarations of course) into the music app's
musician_controller.erl, and same with erlyweb_view.et's code into
musician_view.et (got rid of the generated musician_view.erl). This
compiles just fine, but when i check it out in the browser, i get
errors. I thought erlyweb_magic() just extended the modules, so i
don't understand why the code wouldn't work when it's just pasted in.
specifically the errors are:
ERROR erlang code crashed:
File: appmod:0
Reason: {no_such_function,{"musician","index",1}}
Req: {http_request,'GET',{abs_path,"/music/musician"},{1,1}}
I looked at index(), and this is right: it takes a model along with a
yaws arg (somehow this was handled just fine before...) so since the
data is stored in a table called 'musician', i tried:
http://localhost:8080/music/musician/index/musician
the url redirects to: http://localhost:8080/music//musician/list/1
and it says:
ERROR erlang code crashed:
File: appmod:0
Reason: {badarg,[{erlang,apply,["1",find_range,[]]},
{musician_controller,list,3},
{erlyweb,ewc,2},
{erlyweb,handle_request,6},
{yaws_server,deliver_dyn_part,8},
{yaws_server,aloop,3},
{yaws_server,acceptor0,2},
{proc_lib,init_p,5}]}
Req: {http_request,'GET',{abs_path,"/music/musician/list/1"},{1,1}}
i looked at list/3 but can't figure out what went wrong. am i missing
something that makes the erlyweb_magic stuff work while this doesn't?
Thanks,
Liron Greenstein
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| Posted: Wed Mar 05, 2008 5:28 am |
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Guest
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Hi Liron,
erlyweb_magic does do one more thing besides just extension: it adds a
few additional functions if they don't already exist, and it replaces
the 'Model' parameter of controller functions with a statically bound
variable. If you just copy this code and try to run it without
erlyweb_magic, it would break. To see how to works, check out the
add_forms function in erlyweb_compile.
Yariv
On Tue, Mar 4, 2008 at 9:12 PM, Liron Greenstein <Liron86@gmail.com> wrote:
>
> Hi all,
> so i wanted to play around with the erlyweb_controller functions
> without messing around with the file itself. so i cut and pasted all
> its code (changed module declarations of course) into the music app's
> musician_controller.erl, and same with erlyweb_view.et's code into
> musician_view.et (got rid of the generated musician_view.erl). This
> compiles just fine, but when i check it out in the browser, i get
> errors. I thought erlyweb_magic() just extended the modules, so i
> don't understand why the code wouldn't work when it's just pasted in.
> specifically the errors are:
> ERROR erlang code crashed:
> File: appmod:0
> Reason: {no_such_function,{"musician","index",1}}
> Req: {http_request,'GET',{abs_path,"/music/musician"},{1,1}}
>
> I looked at index(), and this is right: it takes a model along with a
> yaws arg (somehow this was handled just fine before...) so since the
> data is stored in a table called 'musician', i tried:
>
> http://localhost:8080/music/musician/index/musician
>
> the url redirects to: http://localhost:8080/music//musician/list/1
> and it says:
> ERROR erlang code crashed:
> File: appmod:0
> Reason: {badarg,[{erlang,apply,["1",find_range,[]]},
> {musician_controller,list,3},
> {erlyweb,ewc,2},
> {erlyweb,handle_request,6},
> {yaws_server,deliver_dyn_part,8},
> {yaws_server,aloop,3},
> {yaws_server,acceptor0,2},
> {proc_lib,init_p,5}]}
> Req: {http_request,'GET',{abs_path,"/music/musician/list/1"},{1,1}}
>
> i looked at list/3 but can't figure out what went wrong. am i missing
> something that makes the erlyweb_magic stuff work while this doesn't?
>
> Thanks,
> Liron Greenstein
>
> >
>
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| Guest |
| Posted: Wed Mar 05, 2008 5:56 am |
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Guest
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Liron Greenstein wrote:
> Hi all,
> so i wanted to play around with the erlyweb_controller functions
> without messing around with the file itself. so i cut and pasted all
> its code (changed module declarations of course) into the music app's
just quickly. Did you turn erlyweb_magic(off) or comment it out?
Jeff.
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| Guest |
| Posted: Wed Mar 05, 2008 12:53 pm |
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Guest
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Ohh ok, so more was going on than i thought. I just commented out the
erlyweb_magic declaration, would it work with erlyweb_magic(off)?
I'll try it when I get back to the cs lab.. Thanks for the info!
Liron Greenstein
On Mar 5, 12:17 am, jm <je...@ghostgun.com> wrote:
> Liron Greenstein wrote:
> > Hi all,
> > so i wanted to play around with the erlyweb_controller functions
> > without messing around with the file itself. so i cut and pasted all
> > its code (changed module declarations of course) into the music app's
>
> just quickly. Did you turn erlyweb_magic(off) or comment it out?
>
> Jeff.
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| Guest |
| Posted: Wed Mar 05, 2008 4:30 pm |
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How can you turn the ErlyWeb magic off? 
/David
On Mar 5, 2008, at 12:17 AM, jm wrote:
>
> Liron Greenstein wrote:
>> Hi all,
>> so i wanted to play around with the erlyweb_controller functions
>> without messing around with the file itself. so i cut and pasted all
>> its code (changed module declarations of course) into the music app's
>
> just quickly. Did you turn erlyweb_magic(off) or comment it out?
>
>
> Jeff.
>
> >
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