public static List<JSONObject> convertContents2Json(List<String> contents) {
        List<JSONObject> jsonObjects = new ArrayList<JSONObject>();

        for (String content : contents) {
            jsonObjects.add(JSON.parseObject(content));
        }

        return jsonObjects;
    }
for json convert

@param contents
@return
test/test-integration/src/test/java/com/alipay/sofa/rpc/server/tracer/util/TracerChecker.java