After upgrading my OpenFire instance from version 3.6.4 to 3.9.1 it is not accessible anymore.
Error message on the client:
13:31:06 *** Connection to JABBER has failed: system errorcode "10061".
On the web interface I get the login form, but after entering my credentials I only get this Exception:
java.lang.NoClassDefFoundError: Could not initialize class org.jivesoftware.openfire.admin.AdminManager$AdminManagerContainer
There are no new entries showing up in the log files when I try to connect or login. There are no error messages in the log files on startup.
The system is a debian 6.0 linux, OpenFire was installed via the provided .deb packages.