Update default.conf

Author: thomasleplus

openid-connect-provider-debugger/default.conf

@@ -41,7 +41,10 @@ server {
       local cjson = require('cjson')
       local opts = {}
       if (ngx.var.arg_code) then
-        ngx.log(ngx.DEBUG, 'session=' .. ngx.var.cookie_session)
+        if (ngx.var.cookie_session) then
+          ngx.log(ngx.DEBUG, 'session=' .. ngx.var.cookie_session)
+        else
+          ngx.log(ngx.ERR, 'session cookie is missing')
         ngx.log(ngx.DEBUG, 'opening session')
         local session = require "resty.session".open()
         if (session.present) then