[java] HTTP Status 405 - Method Not Allowed Error for Rest API

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

Below is the code snippet.

@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>

You might be doing a PUT call for GET operation Please check once

Add

@Produces({"image/jpeg,image/png"})

to

@POST
@Path("/pdf")
@Consumes({ MediaType.MULTIPART_FORM_DATA })
@Produces({"image/jpeg,image/png"})
//@Produces("text/plain")
public Response uploadPdfFile(@FormDataParam("file") InputStream fileInputStream,@FormDataParam("file") FormDataContentDisposition fileMetaData) throws Exception {
    ...
}

In above code variable "ver" is assign to null, print "ver" before returning and see the value. As this "ver" having null service is send status as "204 No Content".

And about status code "405 - Method Not Allowed" will get this status code when rest controller or service only supporting GET method but from client side your trying with POST with valid uri request, during such scenario get status as "405 - Method Not Allowed"

I also had this problem and was able to solve it by enabling CORS support on the server. In my case it was an Azure server and it was easy: Enable CORS on Azure

So check for your server how it works and enable CORS. I didn't even need a browser plugin or proxy :)