It is not a problem, that because the content of this tree entry you clicked is really a big one, and need some time to construct. Just click continue and wait a while.
I played a bit with
When I tried to open a tree entry (All -> Geronimo) in the JMX viewer,
Firefox 3.5.5 stopped the script:
(This is a 2.5 GHz Quadcore here)
View this message in context: http://old.nabble.com/dojo-unresponsive-tp26593465s134p26593465.html
Sent from the Apache Geronimo - Dev mailing list archive at Nabble.com.