HTTP状态405 - Rest API的方法不允许错误 [英] HTTP Status 405 - Method Not Allowed Error for Rest API

问题描述

在做了一些研究之后问了这个问题。我确实遵循了针对这种错误的解决方案，但对我没有用。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时它给了我405错误.Below是请求的URI。

Am asking this question after doing some research. I did followed the solutions given for this kind of error but did not work for me. Any suggestions as where am going wrong in the below code.I am creating a REST API but when I request the url it is giving me the 405 error.Below is the URI am requesting.

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

以下是代码段。

@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>

推荐答案

@Produces（{ text / plain，application / xml，application / json}）将其更改为 @Produces（text / plain）并尝试，

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