Category "servlet-3.0"

JSP servlet JSTL

When I send attribute 'saved' from servlet to jsp, if it equals to true I show alert msg otherwise I want to assign it to false in the second refresh. Servlet:

Any java async tracing framework?

I'd like to trace my async application with some key checkpoint. Is there any popular framework I can use? For example, I may choose to use vert.x or any other