role « Filter « JSP-Servlet Q&A





1. Filters are like servlets. There exists many servlet container.Do filters take the role in servlet container only?    stackoverflow.com

I read everytime Filters are like servlets. Resin is a servlet container. Is there exist any filter container to initialize filters or does it take the role in servlet container only. ...

2. Role of filter-mapping    stackoverflow.com

I'm trying out Spring and I've met the filter-mapping tag. What is its role when compared to the servlet-mapping tag? Is it executed in the background when the urls are called? Thanks ...