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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