Hide Forgot
JON 2.4.1 Firefox 3.6. STR: 1) Install RHQ with a slow distant database. 2) Monitor something, e.g. JBoss instance. 3) In Firefox, install Firebug, enable it, enable the console tab. 4) Right-click in the navigation tree 5) The loading progress indicator indicates loading progress :) 6) After some timeout (seems like a second), the AJAX request gets aborted.
Nothing special in RHQ server log. Correcting 6) - it's 5 seconds.
For the record - it takes ~15 seconds on the machine where I test to render an operation page. I suggest this could be a good estimate of a new time limit for the AJAX request.