Method to set the absolute path of jsp files

 
<% 
String path = request.getContextPath(); 
String basePath = request.getScheme() + "://" 
+ request.getServerName() + ":" + request.getServerPort() 
+ path + "/";// Return to the form http://localhost:8080/upload/ 
> 

Call:

 
<%=basePath%> 

It can also be used directly in the js code