[Freeswitch-users] Latest FreeSWITCH pull and Lua

[James Mortensen]

Just to update this thread, I created the following Lua script:

 print('hello world from lua')^M
print(_VERSION)
print("---\nREADY.")

and then ran it from the CLI.  The output was:

freeswitch at fs> lua test.lua
hello world from lua
Lua 5.2
---
READY.

Also, I found part of the answer to my problem. FreeSWITCH Lua was updated
to 5.2 on Nov 12th, 2771498707c194c70cf25ad9473be66ef59cfb46, so I went
ahead and grabbed the corresponding LuaXml library for version 5.2 not 5.1.


2013-12-12 02:12:42.615049 [ERR] mod_lua.cpp:199 multiple Lua VMs detected
stack traceback:
[C]: in ?
 [C]: in function 'require'
/usr/local/share/lua/5.2/LuaXml.lua:1: in main chunk
[C]: in function 'require'
 /opt/freeswitch/scripts/parser.lua:2: in main chunk

So now it's a matter of tracing down this error, which is where this
mailing list post left off:
http://freeswitch-users.2379917.n2.nabble.com/Not-really-a-Freeswitch-issue-but-td7595250.html

I'll keep pounding away at this and update the list once I figure it out.


James


On Wed, Dec 11, 2013 at 4:05 PM, James Mortensen <
james.mortensen at synclio.com> wrote:

> Hello,
>
> I just ran git pull and rebuilt FreeSWITCH, and now Lua is unable to
> locate the LuaXml library.
>
> module 'LuaXml' not found:
> no field package.preload['LuaXml']
>  no file '/usr/local/lib/lua/5.2/LuaXml.so'
> no file '/usr/local/lib/lua/5.2/loadall.so'
>  no file './LuaXml.so'
>
> and another:
>
> module 'LuaXml' not found:
> no field package.preload['LuaXml']
>  no file './LuaXml.so'
> no file '/usr/local/lib/lua/5.1/LuaXml.so'
> no file '/usr/lib/x86_64-linux-gnu/lua/5.1/LuaXml.so'
>  no file '/usr/lib/lua/5.1/LuaXml.so'
> no file '/usr/local/lib/lua/5.1/loadall.so'
>
> Note that in /usr/local/lib/lua/5.1 there is a LuaXML_lib.so, but no
> LuaXml.so.
>
> Those are example of one of the many error messages the system has been
> spitting out at me.  Tt's complaining about not finding a LuaXml.so despite
> none actually existing on the box and despite following the instructions in
> the wiki.
>
> I already followed the instructions in
> http://wiki.freeswitch.org/wiki/Mod_lua for installing LuaXml via the
> luarocks package manager, so since that didn't work I tried including the
> library manually from the luaxml website.  Although the lua on the box can
> run the test.lua script successfully, I am not having luck in FreeSWITCH.
>
> I also tried recompiling from scratch running the bootstrap and configure
> scripts.  No luck.
>
> I've also tried installing both Lua 5.1 and Lua 5.2.  I realize the wiki
> shows 5.1 being used, but I already tried that and moved onto trying other
> things.  Still working on trying to figure out what happened, but wanted to
> see if anyone else is having any trouble with this as well.  I realize Lua
> is embedded in FreeSWITCH, so I'm a bit confused about why it can't find
> the library.
>
> Using lua 5.2 on the box, I can run the test.lua script that users the
> library, what version of Lua does FreeSWITCH use?  I'm not convinced it's
> using an embedded version of Lua based on the fact that I see it trying to
> use the paths from the Lua installed from apt-get.
>
>
> James
>
>
>
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