[GitHub] [apisix] riskgod commented on issue #4138: request help: bad argument #2 to 'warn' (expected table to have __tostring metamethod)

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

riskgod commented on issue #4138:
URL: https://github.com/apache/apisix/issues/4138#issuecomment-827414834


   > ```
   > core.log.warn("headers_map: ", core.json.encode(headers_map))
   > ```
   
   hey, after debug, the json is the same, but why shows the `{ message: 'Invalid signed header sys_name,sys_event' }`
   here is the debug json
   ```
   2021/04/27 16:16:15 [warn] 48159#118191: *314 [lua] hmac-auth.lua:311: validate(): headers_map: {"timestamp":true,"app_id":true,"Date":true,"sys_event":true,"sign":true,"version":true,"sys_name":true}, client: 127.0.0.1, server: _, request: "POST /checkAddress HTTP/1.1", host: "127.0.0.1:9080"
   
   2021/04/27 16:16:15 [warn] 48159#118191: *314 [lua] hmac-auth.lua:314: validate(): signed_headers: ["Date","app_id","sys_name,sys_event","sign","timestamp","version"], client: 127.0.0.1, server: _, request: "POST /checkAddress HTTP/1.1", host: "127.0.0.1:9080"
   
   ```


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