Reasons and advantages for upgrading to Java 6 for a non-technical decider (at the client)

Question

I\'d like to upgrade from Java 5 to Java 6. We all know about the technical advantages and benefits, but:

I have the problem that a major client refuses to upgrade f

Answer 1

We upgraded from 1.4 to 1.6 last year. It's been a tremendous help for development, but not without its hiccups. While this was not our motivation, today we are required to "keep up to date" by PCI (credit card handling requirements). Your app may be running smoothly, but I'm sure that Java 1.5 has some security holes that have been fixed since in 1.6.