Comment #5 on issue 207 by nls...@gmail.com: Horizontal scrolling causes an
exception
http://code.google.com/p/piccolo2d/issues/detail?id=207
Unfortunately, the event does store much information in this case since
horizontal scroll wheel support seems not to be implemented in AWT/Swing. I
Comment #6 on issue 207 by heue...@gmail.com: Horizontal scrolling causes
an exception
http://code.google.com/p/piccolo2d/issues/detail?id=207
I found a comment on
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6440198
Apple have added a workaround for this in Radar #4631846 -