HTTP状态405-Rest API的方法不允许错误

Question

经过研究后，我在问这个问题。我确实遵循了针对此类错误的解决方案，但对我不起作用。在下面的代码中出现错误的任何建议。我正在创建一个REST
API，但是当我请求url时却出现405错误。下面是URI正在请求。

    http://localhost:8080/Project/services/start/version

下面是代码片段。

@Path("/start")

public class StartService {
@GET
@Path("/version")
@Produces({"text/plain","application/xml","application/json"})
public String getVersion() {
    String ver="";

    try{


          Runtime rt = Runtime.getRuntime();
          Process pr = rt.exec("C:\\server\\dgr -v" );

          BufferedReader stdInput = new BufferedReader(new InputStreamReader
(pr.getInputStream()));
          BufferedReader input = new BufferedReader(stdInput);
         // String ver ="";
          StringBuffer verOutput = new StringBuffer();
                while((ver =  input.readLine()) != null){
                    verOutput.append(ver + "\n");
                    System.out.println(ver);
                }


        }catch (Throwable t)  
          {  
            t.printStackTrace();  
          }


        finally {

        }
    return ver;  }

}

web.xml：

<web-app 
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">

<servlet>
<display-name>eLicensingWeb</display-name>      
    <servlet-name>JAX-RS REST</servlet-name>
    <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
     <init-param>
         <param-name>com.sun.jersey.config.property.packages</param-name>
        <param-value>com.cem.plc.service</param-value>
    </init-param>

    <load-on-startup>1</load-on-startup>
</servlet>




<servlet-mapping>
    <servlet-name>JAX-RS REST</servlet-name>
    <url-pattern>/services/*</url-pattern>
</servlet-mapping>


<welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
</welcome-file-list>


</web-app>

Answer 1

@Produces({"text/plain","application/xml","application/json"})将此更改为@Produces("text/plain")并尝试，