On Thu, Feb 4, 2016 at 8:56 AM, Yichun Zhang (agentzh)
<age...@gmail.com> wrote:
> Hello!
>
> On Fri, Jan 29, 2016 at 10:30 PM, 罗厚付 wrote:
>> stack traceback:
>> coroutine 0:
>> /opt/openresty/lua/test.lua: in function </opt/openresty/lua/test.lua:1>
>> while sending to client, client: *.*.*.* , server: _, request: "POST
>> /index.php HTTP/1.0", host: "*.*.*"
>> 2016/01/28 23:27:36 [error] 15773#0: *16809007 lua entry thread aborted:
>> runtime error: /opt/openresty/lua/test.lua:82: attempt to index local
>> 'res1_body' (a userdata value)
>>
>>
>> 81 local res1_body = cjson.decode(res1.body)
>> 82 if res1_body and res1_body.code ~= 1 then
>> 83 return print(res1.body)
>> 84 end
>
> 貌似 cjson.decode() 返回了 ngx.null 值（这是一个 userdata），即 res1.body
> 的内容很可能是"null". 你的判断应该这么写：
>
> if res1_body and res1_body ~= ngx.null and res1_body.code ~= 1 then
>
春哥神级回复, 7*24 永远直击关键代码...
> Regards,
> -agentzh
>
> --
> --
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