net.connlisteners: Log traceback on errors in listener loading.

diff --git a/net/connlisteners.lua b/net/connlisteners.lua
index e13f85deb71cd55c38a867b7b9aecfda79c4435a..7da25c62df3e4d52c7824d71432c516ff16650e1 100644 (file)
--- a/net/connlisteners.lua
+++ b/net/connlisteners.lua
@@ -13,8 +13,10 @@ local server = require "net.server";
 local log = require "util.logger".init("connlisteners");
 local tostring = tostring;
 
-local dofile, pcall, error =
-      dofile, pcall, error
+local dofile, xpcall, error =
+      dofile, xpcall, error
+
+local debug_traceback = debug.traceback;
 
 module "connlisteners"
 
@@ -37,7 +39,7 @@ end
 function get(name)
        local h = listeners[name];
        if not h then
-               local ok, ret = pcall(dofile, listeners_dir..name:gsub("[^%w%-]", "_").."_listener.lua");
+               local ok, ret = xpcall(function() dofile(listeners_dir..name:gsub("[^%w%-]", "_").."_listener.lua") end, debug_traceback);
                if not ok then
                        log("error", "Error while loading listener '%s': %s", tostring(name), tostring(ret));
                        return nil, ret;