[GitHub] [apisix] tokers commented on issue #4929: request help: Integration of eureka as discovery registry fail

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

tokers commented on issue #4929:
URL: https://github.com/apache/apisix/issues/4929#issuecomment-909795460


   > > > the type of unzip_data is userdata
   > > 
   > > 
   > > Any error logs？ information from these two lines is less.
   > 
   > When I use zlib.inflate to unzip the response, it return a userdata type, so it thrown bad argument when use json decode
   > 
   > ```
   > local data, err = core.json.decode(unzip_data)
   > if not data then
   >     log.error("invalid response body: ", type(unzip_data), " err: ", err)
   >     return
   > end
   > ```
   > 
   > The error log:
   > `2021/08/31 09:29:35 [error] 12663#3713017: *80 [lua] eureka.lua:197: invalid response body err: bad argument #1 to '?' (string expected, got userdata), context: ngx.timer`
   > I don't known how to process the data, can you help me? There is a problem when process the Eureka's returned data
   
   See https://github.com/brimworks/lua-zlib/blob/master/README#L92 for details about how to use the lua zlib.
   
   And, welcome to submit a PR to help APISIX to handle the compressed data from Eureka :)


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