multiPart.type(Boundary.addBoundary(new MediaType("multipart", "form-data", Collections.singletonMap(Boundary.BOUNDARY_PARAMETER, boundary)))); for (String jstr : jsonString) { multiPart.field("Content-Type", jstr, MediaType.APPLICATION_JSON_TYPE);
multiPart.type(Boundary.addBoundary(new MediaType("multipart", "form-data", Collections.singletonMap(Boundary.BOUNDARY_PARAMETER, boundary)))); for (String jstr : jsonString) { multiPart.field("Content-Type", jstr, MediaType.APPLICATION_JSON_TYPE);