我已经使用Jackson框架编写了一个Scala程序来读取Json文件。每当执行Scala程序时,我都会得到以下错误。有人能建议我如何克服这个错误吗?Exception in thread "main" com.fasterxml.jackson.databind.JsonMappingException: No suitable constructor found for type [simple type, class Definition]: can not instantiate from JSON object (need to add/enable type