请问大佬这个是什么原因呢？

[ZYL19960322]

2022/11/28 13:52:07 [error] 2284#0: *37000 lua entry thread aborted: runtime error: /usr/hello/lualib/resty/kafka/response.lua:72: bad argument #1 to 'lshift' (number expected, got nil)
stack traceback:
coroutine 0:
[C]: in function 'lshift'
/usr/hello/lualib/resty/kafka/response.lua:72: in function 'int32'
/usr/hello/lualib/resty/kafka/client.lua:80: in function 'metadata_decode'
/usr/hello/lualib/resty/kafka/client.lua:187: in function '_fetch_metadata'
/usr/hello/lualib/resty/kafka/client.lua:265: in function 'fetch_metadata'
/usr/hello/lualib/resty/kafka/producer.lua:123: in function 'choose_partition'
/usr/hello/lualib/resty/kafka/producer.lua:378: in function 'send'
/usr/hello/lua/product.lua:27: in main chunk, client: 192.168.31.77, server: _, request: "GET /product?productId=3&shopId=14 HTTP/1.1", host: "192.168.31.142"

[hongliang5316]

@ZYL19960322 看起来是协议问题, 试试调整下这个参数呢