The jconsole reconnect shows a cancel button alligned to one end (left) on solaris version and it doesn;t for windows.(It should be centerly alligned).
How to produce this.
1) login to any solaris-sparcv9 machine
2) start jconsole.
3) connect to any java application ( even to jconsole in this local process list).
4) disconnect (with icon).
5) connect back by clicking on icon.

you should be seeing a reconnecting progreess bar.
Please find the attached screen shot for solaris-sparcv9