[GitHub] [apisix] backnero commented on issue #2006: bug(cors): attempt to concatenate field 'conf_id' (a nil value)

[GitBox <gi...@apache.org>]

backnero commented on issue #2006:
URL: https://github.com/apache/apisix/issues/2006#issuecomment-669764548


   Thanks @membphis for your help and dedication!
   I used apisix-docker's dockerfile (centos) as a blueprint to build a version 1.5 docker image.
   
   I configured the following in the global routing rules:
   PUT text.com/apisix/admin/global_rules/1
   ```
   {
           "plugins": {
               "limit-count": {
                   "time_window": 60,
                   "policy": "local",
                   "count": 100,
                   "key": "http_x_real_ip",
                   "rejected_code": 503
               },
               "cors":{}
           }
   }
   ```
   Access to all routes has the following error in error.log
   ```
   2020/08/06 15:15:13 [error] 49#49: *56762 failed to run header_filter_by_lua*: /usr/local/apisix/apisix/core/lrucache.lua:198: attempt to concatenate field 'conf_id' (a nil value)
   stack traceback:
           /usr/local/apisix/apisix/core/lrucache.lua:198: in function 'plugin_ctx'
           /usr/local/apisix/apisix/plugins/cors.lua:144: in function 'phase_fun'
           /usr/local/apisix/apisix/init.lua:142: in function 'run_plugin'
           /usr/local/apisix/apisix/init.lua:550: in function 'common_phase'
           /usr/local/apisix/apisix/init.lua:561: in function 'http_header_filter_phase'
   ```
   After @membphis instructed, I closed the global cors configuration. The interface is currently accessible, and other errors are found.
   
   
   **Currently, I need the function of the cors plug-in while I am using it. How can I solve this problem?**


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