Gump build switched to Java 21

Mark Thomas <[email protected]> Wed, 10 May 2023 17:54:43 +0100

Newsgroups	gmane.comp.jakarta.gump
Message-ID	<[email protected]>

Hi all,

Tomcat 11 is about to move to requiring Java 21 so I have just switched 
Gump to building with the latest Java 21 EA. I am expecting things to 
break and for it to take a couple of days for me to get everything fixed.

Fingers crossed...

Mark