Cannot find local variable 'gson'
原因是 RequestBody requestBody = gson.fromJson(jsonOfValue, RequestBody.class); 將數據轉換成實體類這塊沒成功 requestBody 裏面沒有數據 要加一步非空判斷
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- 1. 解決問題：java.lang.IllegalArgumentException: non null key required 錯誤： cannot find local variable ‘e‘
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