Install from marketplace:
Or if this does not work, install from update site:
Open the vmlens start view under Help -> Start vmlens. Then add the java agent line which is shown in the view to the vm arguments of your application. Start your application.
Please set the java heap size for eclipse in the eclipse.ini to a high enough value, for example -Xmx5g
After your application stops, the vmlens Race Condition, Deadlock view opens inside eclipse. This view shows you all race conditions and deadlocks occurred during this run.