doFilter called twice, intended behaviour?

Question

I\'m working through the Java EE servlet tutorial and tried the mood example. I noticed the doFilter is getting called twice, once the servlet call is in the chain and the secon

Answer 1

Yes it is, Filter is executed twice in the life cycle, first calls when request from client come to servlet and second time when response is served to the client after execution of servlet.

The order of execution is somehow looks like this.