JSON not generated in using Jersey
问题 I'm using the latest version of Jersey to implement some REST sample services. Do you have any clue why when I generate the following HTTP request using Fiddler,I get: 500 Internal Server Error MessageBodyWriter not found for media type={application/json, q=1000}, type=class java.util.ArrayList, genericType=java.util.ArrayList<com.example.Todo> HTTP request: GET http://localhost:8080/RestProject/rest/todos/1 HTTP/1.1 Connection: close Accept: application/json User-Agent: Mozilla/5.0 (Windows