APPLICATION_JSON无法解析或不是字段 [英] APPLICATION_JSON cannot be resolved or is not a field
问题描述
我在应用程序中生成JSON时遇到问题.
I have a problem producing JSON in my application.
我正在尝试有关使用AngularJS使用Java Restful Web服务的教程. 我已经创建了一个动态Web项目作为RESTful服务器,然后添加了以下库:
I'm trying a tutorial about Consuming Java Restful Web Service with AngularJS. I've created a dynamic web project as my RESTful server and then added the following libraries:
- asm-3.3.1.jar
- jackson-core-asl-1.9.9.jar
- jackson-jaxrs-1.9.9.jar
- jackson-mapper-asl-1.9.9.jar
- jackson-xc-1.9.9.jar
- jersey-bundle-1.8.jar
- jersey-bundle-1.9.jar
- jersey-client-1.9.jar
- jersey-core-1.9.jar
- jersey-json-1.9.jar
- jersey-media-json-jettison-2.4.jar
- jersey-server-1.9.1.jar
- jersey-servlet-1.12.jar
- jettison-1.3.3.jar
- jsr311-api-1.1.1.jar
- asm-3.3.1.jar
- jackson-core-asl-1.9.9.jar
- jackson-jaxrs-1.9.9.jar
- jackson-mapper-asl-1.9.9.jar
- jackson-xc-1.9.9.jar
- jersey-bundle-1.8.jar
- jersey-bundle-1.9.jar
- jersey-client-1.9.jar
- jersey-core-1.9.jar
- jersey-json-1.9.jar
- jersey-media-json-jettison-2.4.jar
- jersey-server-1.9.1.jar
- jersey-servlet-1.12.jar
- jettison-1.3.3.jar
- jsr311-api-1.1.1.jar
这是服务:
package ws;
import java.awt.PageAttributes.MediaType;
import java.util.*;
import javax.ws.rs.*;
import javax.ws.rs.core.*;
import entities.Prospect;
@Path("prospect")
public class ProspectRestful {
@GET
@Path("findall")
@Produces(MediaType.APPLICATION_JSON)
public List<Prospect> findAll(){
List<Prospect> result = new ArrayList<Prospect>();
result.add(new Prospect(35, "Name 35", "last35"));
result.add(new Prospect(36, "Name 36", "last36"));
return result;
}
}
但是我收到此错误:
APPLICATION_JSON无法解析或不是字段.
APPLICATION_JSON cannot be resolved or is not a field.
我在另一个问题中看到jersey-media-json-jettison-2.4.jar应该存在,所以我添加了它但没有任何标志.
I've seen in another question that jersey-media-json-jettison-2.4.jar should be there so I added it but no sign.
我确定我没有使用Maven项目,在同一教程中,他们也没有使用Maven.
I'm sure I'm not using a Maven project, in the same tutorial they didn't use Maven either.
推荐答案
删除此
import java.awt.PageAttributes.MediaType;
并添加
import javax.ws.rs.core.MediaType;
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