SpringRest GET calls showing the HTML Page for Invalid API -- throwExceptionIfNoHandlerFound

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In Spring Framework, there are number of ways of handing exceptions (and particularly 404 error). Here is a documentation link.

• First, you can still use error-page tag in web.xml, and customize error page. Here is an example.
• Second, you can use one @ExceptionHandler for all controllers, like this:

  @ControllerAdvice
  public class ControllerAdvisor {
  
       @ExceptionHandler(NoHandlerFoundException.class)
       public String handle(Exception ex) {
  
          return "404";//this is view name
      }
  }

  For this to work, set throwExceptionIfNoHandlerFound property to true for DispatcherServletin web.xml:

  <init-param>
      <param-name>throwExceptionIfNoHandlerFound</param-name>
      <param-value>true</param-value>
  </init-param>

  You can also pass some objects to error view, see javadoc for this.