Yes have a look at BIRT, its really cool and has a full plugin for Eclipse to to report development, it uses Jasper Reports in the background but they seem to have implemented it really well.
What do you want to do exactly? online reports? generate PDF's?
Rich
<a href="http://www.johnboy.co.za" target="_blank" rel="nofollow">http://www.johnboy.co.za</a><br />Change - When the winds of change blow hard enough, the most trivial things can turn into deadly projectiles.