--- old/src/java.desktop/macosx/classes/sun/lwawt/macosx/CDragSourceContextPeer.java 2016-04-01 14:39:11.870986139 -0700 +++ new/src/java.desktop/macosx/classes/sun/lwawt/macosx/CDragSourceContextPeer.java 2016-04-01 14:39:11.770986141 -0700 @@ -44,7 +44,6 @@ import sun.lwawt.LWComponentPeer; import sun.lwawt.LWWindowPeer; import sun.lwawt.PlatformWindow; -import sun.misc.ManagedLocalsThread; public final class CDragSourceContextPeer extends SunDragSourceContextPeer { @@ -181,7 +180,7 @@ } } }; - new ManagedLocalsThread(dragRunnable).start(); + new Thread(null, dragRunnable, "Drag", 0, false).start(); } catch (Exception e) { final long nativeDragSource = getNativeContext(); setNativeContext(0);