Re: Running Lua Script using mod_lua

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On 05/17/2018 08:21 AM, Luca Toscano wrote:
Hi,

2018-05-16 12:22 GMT+02:00 Hemant Chaudhary <hemantdude.chaudhary@xxxxxxxxx <mailto:hemantdude.chaudhary@xxxxxxxxx>>:

    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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