"responseStatus":{"code":"9501","severity":"ERROR&q

[tagizadeorxan]

String requestJson = "{\"requestHeader\"={\"requestTS\":\"2021-04-27T09:31:07.000\", \"requestMessageID\":\"test998\"},\"requestData\"={\"binRangeSearchIndex\":\"0\", \"binRangeCount\":\"500\"}}";

try (DataOutputStream wr = new DataOutputStream(con.getOutputStream())) {
    wr.writeBytes(String.valueOf(requestJson.getBytes(StandardCharsets.UTF_8)));
    wr.flush();
}

[tagizadeorxan · Accepted solution]

 solved problem was = replaced with :