Does out_http supports only json: application/x-ndjson

[Nandan Reddy V]

Hi All,

I am planning to use out_http plugin to implement a failover scenario. The idea is to use Fluentd to post application/json type message to a http endpoint (which is basically a rest API).

But the issue here is Fluentd supports only application/x-ndjson (new line delimited JSON format) and this is not supported by target API and the error logged is -

fluent.warn: {"error":"#<Fluent::UnrecoverableError: 415 Unsupported Media Type{\"timestamp\":1583475757779,\"status\":415,\"error\":\"Unsupported Media Type\",\"exception\":\"org.springframework.web.HttpMediaTypeNotSupportedException\",\"message\":\"Content type 'application/x-ndjson;charset=UTF-8' not supported\",\"path\":\"/api/watchproducer/v1.0\"}

Example match case I used as below:-

<match payloadtraffic.**>
  @type http
  endpoint http://12345.abcd.com/api/watchproducer/v1.0
  open_timeout 2
  <format>
    @type json
    add_newline false
  </format>
  <buffer>
    @type file
    path "/fluentd/buffers/#{ENV["HOSTNAME"]}/payloadtrafficdev.buffer"
    flush_interval 10s
  </buffer>
</match>

Is there a way I can send JSON payload to a http endpoint using out_http plugin

[Balaji K]

Can you try giving serializer after endpoint ?

  serializer      json  <== like this ..

rgds

Balaji Kamal Kannadassan

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Balaji Kamal Kannadassan

[Nandan Reddy V]

I did try putting  below statement , but it gives me the same error 

serializer json

[Mr. Fiber]

I assume you use built-in `http` output plugin.

If your endpoint can accept line-limited json with `application/json`,

put `content_type application/json` is one way.

If you want to send 1 json with `application/json`,

you need to use 3rd party fluent-plugin-out-http.

On Mon, Mar 9, 2020 at 4:33 AM Nandan Reddy V <nandan...@gmail.com> wrote:

I did try putting  below statement , but it gives me the same error 

serializer json

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