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Posted to users@httpd.apache.org by Hemant Chaudhary <he...@gmail.com> on 2018/05/16 10:22:56 UTC

[users@httpd] Running Lua Script using mod_lua

Hi,

While running lua_script using mod_lua, I am getting this error in
error_log. What does it mean
"PANIC: unprotected error in call to Lua API (core and library have
incompatible numeric types)"


Thanks
Hemant

Re: [users@httpd] Running Lua Script using mod_lua

Posted by Hemant Chaudhary <he...@gmail.com>.
Hi,

Thanks issue is solved.
Actually I was using Lua-5.3. I migrated to Lua-5.1 and it works for me.

Hemant

On Thu, May 17, 2018 at 11:53 AM, Daniel Gruno <hu...@apache.org> wrote:

> On 05/17/2018 08:21 AM, Luca Toscano wrote:
>
>> Hi,
>>
>> 2018-05-16 12:22 GMT+02:00 Hemant Chaudhary <
>> hemantdude.chaudhary@gmail.com <ma...@gmail.com>>:
>>
>>     Hi,
>>
>>     While running lua_script using mod_lua, I am getting this error in
>>     error_log. What does it mean
>>     "PANIC: unprotected error in call to Lua API (core and library have
>>     incompatible numeric types)"
>>
>>
>> What version of Lua are you using? You can quickly check with something
>> like ldd /usr/local/apache2/modules/mod_lua.so. It might be a mismatch
>> between what you are trying to execute (the script) and what you are using
>> as interpreter (mod_lua), but I haven't investigated it very well so I
>> might be wrong :)
>>
>
> Almost! :)
> It's an incompatibility between mod_lua's lua lib (typically 5.1 or 5.2)
> and a library that is being used (likely made for 5.3?). There were
> fundamental changes to how numbers work in 5.3, if I remember correctly, so
> you would either have to use a library that works with 5.1/5.2, OR
> recompile mod_lua with the 5.3 library and headers.
>
>
>> Hope that helps,
>>
>> Luca
>>
>
>
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Re: [users@httpd] Running Lua Script using mod_lua

Posted by Daniel Gruno <hu...@apache.org>.
On 05/17/2018 08:21 AM, Luca Toscano wrote:
> Hi,
> 
> 2018-05-16 12:22 GMT+02:00 Hemant Chaudhary 
> <hemantdude.chaudhary@gmail.com <ma...@gmail.com>>:
> 
>     Hi,
> 
>     While running lua_script using mod_lua, I am getting this error in
>     error_log. What does it mean
>     "PANIC: unprotected error in call to Lua API (core and library have
>     incompatible numeric types)"
> 
> 
> What version of Lua are you using? You can quickly check with something 
> like ldd /usr/local/apache2/modules/mod_lua.so. It might be a mismatch 
> between what you are trying to execute (the script) and what you are 
> using as interpreter (mod_lua), but I haven't investigated it very well 
> so I might be wrong :)

Almost! :)
It's an incompatibility between mod_lua's lua lib (typically 5.1 or 5.2) 
and a library that is being used (likely made for 5.3?). There were 
fundamental changes to how numbers work in 5.3, if I remember correctly, 
so you would either have to use a library that works with 5.1/5.2, OR 
recompile mod_lua with the 5.3 library and headers.

> 
> Hope that helps,
> 
> Luca


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Re: [users@httpd] Running Lua Script using mod_lua

Posted by Luca Toscano <to...@gmail.com>.
Hi,

2018-05-16 12:22 GMT+02:00 Hemant Chaudhary <he...@gmail.com>
:

> Hi,
>
> While running lua_script using mod_lua, I am getting this error in
> error_log. What does it mean
> "PANIC: unprotected error in call to Lua API (core and library have
> incompatible numeric types)"
>
>
What version of Lua are you using? You can quickly check with something
like ldd /usr/local/apache2/modules/mod_lua.so. It might be a mismatch
between what you are trying to execute (the script) and what you are using
as interpreter (mod_lua), but I haven't investigated it very well so I
might be wrong :)

Hope that helps,

Luca