The Life Cycle of a JSP Page
A JSP page services requests as a servlet. Thus, the life cycle and many of the capabilities of JSP pages (in particular the dynamic aspects) are determined by Java Servlet technology. You will notice that many sections in this chapter refer to classes and methods described in Chapter 11.
When a request is mapped to a JSP page, the Web container first checks whether the JSP page's servlet is older than the JSP page. If the servlet is older, the Web container translates the JSP page into a servlet class and compiles the class. During development, one of the advantages of JSP pages over servlets is that the build process is performed automatically.
Translation and Compilation
During the translation phase each type of ...
Get The J2EE™ Tutorial Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
