I use IBM's JRE.  It seems to work much better than Sun's.

> Configuring java with Konqeror is no joy and even when it is 
> finished I find 
> that the blank gray boxes that should be applets or .jsps are 
> a common 
> problem with Sun's java. Netscape 4.x does fine, but Netscape 
> 6.2 can't run 
> it's own java installer and Konqeror dead ends with the 
> aforementioned 
> problem.