java.lang.ClassCastException: class java.lang.Long cannot be cast to class org.json.simple.JSONObject

Question

Exception in thread &#34;main&#34; java.lang.ClassCastException: class java.lang.Long cannot be cast to class org.json.simple.JSONObject (java.lang.Long is in module java.base of loader 'bootstrap'; org.json.simple.JSONObject is in unnamed module of loader 'app')왜 나는걸까요 ? 캐스팅이 잘 못된건가요 ? public static JSONObject getJSONObject(String jsonStr, String dataKey) throws JSONException { JSONParser p &#61; new JSONParser(); JSONObject jsonData &#61; null; try { if (!dataKey.isBlank()) { jsonData &#61; (JSONObject) ((JSONObject) p.parse(jsonStr)).get(dataKey); } else { jsonData &#61; (JSONObject) p.parse(jsonStr); } } catch (ParseException e) { logger.error(&#34;JSONString not parsing!!! {0}&#34;, e); } return jsonData; }호출부분 public static void main(String[] args){ final String rspJson &#61; &#34;{\&#34;keyid\&#34;:971454186,\&#34;certOer\&#34;:\&#34;800300830830fc22db5ead80a758810e6563612e70616e71692e74656368a1f54e00011f49e98586000383010180009c010280020e2b800384000180020e2c80070001000101000401012080010300020e2b00020e2c00020e2d40808421830f56b3d79bef4a4c2f76c5341a8ed95c145fea54ad9129d5438da00c7ff5c8ec8440e566c9b71503d7cccbfbd173e5fcc1dad5794928010fd278ca2798b6353e8ef64d3f81e2b38b8d417502b8c9811d61382db146967ee0e473514ce0f6371e8e1f\&#34;,\&#34;reqOer\&#34;:\&#34;038381AF0201858000011FE54351005481066F627531303000000000041FE5435186000183010180009C010180020E2B800001018080010500016F00017000020E2B00020E2C00020E2D0100808421830E4D8213184B9ECF1F66ED160CE8114EC166B8D45FA1BE3DB84A38F4E4383B22828440597B0C3D6DC2AC6FB086DA4808D657A38845CF325784E791A2D251144C3FA8359CB2C6F7B86A9DC582F793FE5753D70ED81491E3CCB2775A2F984803AB4A10E7\&#34;,\&#34;keyDBPath\&#34;:\&#34;keyDB\&#34;,}&#34;; JSONObject getJson &#61; ObjectUtil.getJSONObject(rspJson,&#34;keyid&#34;); System.out.println(getJson); }

java.lang.ClassCastException: class java.lang.Long cannot be cast to class org.json.simple.JSONObject

0개의 답변

#casting 목록