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i have get the sign transaction hash, then, i send RPC request(/injection/operation) like this to brocast operation, this is my junit test, but it return 415 not support media type, i guess because of the requestBody must send a str, but it not a json, but i tried to change the content-type, it not in used. enter image description here

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  • Updated my answer with a code example. It seems that you need to set "text/plain" in the Content-Type. Apr 26 at 21:50

1 Answer 1

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Have a look at TezosJ_SDK/TezosGateway.java (query method).

    MediaType MEDIA_PLAIN_TEXT_JSON = MediaType.parse("application/json");

    String s = "a3...";
    RequestBody body = RequestBody.create(MEDIA_PLAIN_TEXT_JSON, s.getBytes());
    Request request = new Request.Builder()
            .url("http://...")
            .addHeader("Content-Type", "text/plain")
            .post(body)
            .build();


    OkHttpClient client = new OkHttpClient.Builder().build();

    try {
        Response response = client.newCall(request).execute();
        String strResponse = response.body().string();
    } catch ...
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  • thanks a lot for help me to deal the problem, i follow your sugestion to update my code, but it return me a new http status 400, message is "bad request", there is my code:
    – tracverson
    Apr 27 at 2:02
  • my code is very similar with your code, why return a 400 bad request
    – tracverson
    Apr 27 at 2:07
  • The operation bytes need to be valid ("a3...." is not valid, I just used it as a placeholder). Usually, the 400 status returns some details about what is wrong. Apr 27 at 6:19
  • i got the reason why return 400, because the rawTransaction hash need surround with " to send in requestBody, i have never see this type of send requestBody, it is amazing
    – tracverson
    Apr 27 at 9:13
  • It is a JSON string. Apr 27 at 14:09

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