How would you compare Apache Tomcat & Glassfish as production servers?

Question

I have a J2EE-based system which is running currently on Apache Tomcat. We are in discussions to move our production servers to the Glassfish server.

Can someone sha

Answer 1

Big question is: why? What do you think you need that Glassfish will provide you over Tomcat or Jetty? Management utilities perhaps?

Most things you want beyond basic servlet container are easily pluggable.

So while Glassfish is fine as is, there is no point in moving "just because". Most production services I have built are on plain old servlet containers, using none of implementation-specific features.