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complete production support but this will putting all your
eggs in one basket.
• Maintainability - With Spring, you will be building your
own distribution with multiple JAR files, integrating,
patching, versioning, etc of all those components. Spring's
claim is that multiple JAR files allow you can pick the latest
versions of different components. The Java EE application
servers manage all of this for you and provide a well-tested
and commercially supported bundle.
While it is always good to realize that there is something new
and improved that updates and replaces older frameworks like
Spring, the good news is the Java EE 6 container not only
offers what is described, but also lets you deploy and run your
Spring applications on them while you go through an upgrade
to a more modern architecture. The end result is you get the
best of both worlds keeping your legacy investment but
moving to a more agile, lightweight world of Java EE 6.
Figure 3: Java EE Vs Spring
JSF Vs JSP
