Galera, to bastante curioso com um erro q esta me acontecendo ao inicializar o Substance look and feel…
java.lang.IllegalArgumentException: Rectangle width and height must be > 0
at java.awt.Robot.checkValidRect(Unknown Source)
at java.awt.Robot.createScreenCapture(Unknown Source)
at org.pushingpixels.substance.internal.contrib.jgoodies.looks.common.ShadowPopup.snapshot(ShadowPopup.java:286)
at org.pushingpixels.substance.internal.contrib.jgoodies.looks.common.ShadowPopup.show(ShadowPopup.java:198)
at javax.swing.JPopupMenu.getPopup(Unknown Source)
at javax.swing.JPopupMenu.setVisible(Unknown Source)
at javax.swing.JPopupMenu.show(Unknown Source)
at javax.swing.JMenu.setPopupMenuVisible(Unknown Source)
at javax.swing.JPopupMenu.menuSelectionChanged(Unknown Source)
at javax.swing.MenuSelectionManager.setSelectedPath(Unknown Source)
at javax.swing.plaf.basic.BasicMenuUI$Handler.mouseEntered(Unknown Source)
at java.awt.AWTEventMulticaster.mouseEntered(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.trackMouseEnterExit(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Trabalho em ambiente linux e nunca aconteceu isso aki, porem ao por esse sistema em ambiente windows começou a me dar essas exceptions… Normalmente na iniciliazação, mas tbm as vezes me retorna essa exception em consulta com banco de dados… Pesquisei por tudo e nao achei um porquê desse erro… se alguem puder me ajudar, ficarei agredecido! 
[]'s