see http://developer.apple.com/mac/library/documentation/Java/Reference/1.5.0/ap pledoc/api/com/apple/eawt/CocoaComponent.html see the warning and notes. Try turning off the system compatibility mode (com.apple.eawt.CocoaComponent.CompatibilityMode=false) and give MASON another whacking. FELIMON C. GAYANILO Senior Software Engineer Center for Computational Science, University of Miami -----Original Message----- From: MASON Multiagent Simulation Toolkit [mailto:[log in to unmask]] On Behalf Of Sean Luke Sent: Friday, February 12, 2010 11:05 AM To: [log in to unmask] Subject: Re: Using MASON with Eclipse on Mac Ugh, those are not MASON or Java bugs. That's a bug in an Objective-C module, probably linkage to SWT. This is out of my breadth. Anyone else? Sean On Feb 12, 2010, at 1:30 AM, Andy Gewitz wrote: > I have followed the instructions for installing MASON as a project in > Eclipse, but when I try to RUN, it freezes up and I get the > following errors: > > 2010-02-11 22:22:25.620 java[25000:80f] [Java CocoaComponent > compatibility > mode]: Enabled > 2010-02-11 22:22:25.621 java[25000:80f] [Java CocoaComponent > compatibility > mode]: Setting timeout for SWT to 0.100000 > 2010-02-11 22:22:26.482 java[25000:2f503] *** -[NSConditionLock > unlock]: > lock (<NSConditionLock: 0x1eeec0> '(null)') unlocked when not locked > 2010-02-11 22:22:26.483 java[25000:2f503] *** Break on > _NSLockError() to debug. > 2010-02-11 22:22:26.584 java[25000:2f503] *** -[NSConditionLock > unlock]: > lock (<NSConditionLock: 0x1f34f0> '(null)') unlocked when not locked > 2010-02-11 22:22:26.585 java[25000:2f503] *** Break on > _NSLockError() to debug. > > > Can anyone advise? > > Thanks.