関連ワード:  class java util linkedhashmap cannot be cast to class objectmapper    class java util linkedhashmap cannot be cast to class object    object mapper class java util linkedhashmap cannot be cast to class    class java.util.linkedhashmap cannot be cast to class    jackson class java.util.linkedhashmap cannot be cast to class  
結果 : class java util linkedhashmap cannot be cast to class object