関連ワード:  class java lang string cannot be cast to class b    class java lang string cannot be cast to class org bson types objectid    class java lang string cannot be cast to class java lang boolean    class java lang string cannot be cast to class java math bigdecimal    java lang classcastexception class java lang string cannot be cast to class b    java lang classcastexception class java lang string cannot be cast to class java lang boolean    java lang classcastexception class java lang string cannot be cast to class java math bigdecimal    class java math biginteger cannot be cast to class java lang string    class b cannot be cast to class java lang string kafka    caused by java lang classcastexception class java lang string cannot be cast to class  
結果 : class java lang string cannot be cast to class b