java.lang.NullPointerException
	at org.netbeans.modules.j2ee.ejbcore.ui.logicalview.entres.NodeDisplayPanel.addPropertyChangeListener(NodeDisplayPanel.java:62)
	at javax.swing.plaf.synth.SynthPanelUI.installListeners(SynthPanelUI.java:49)
	at javax.swing.plaf.synth.SynthPanelUI.installUI(SynthPanelUI.java:38)
	at javax.swing.JComponent.setUI(JComponent.java:673)
	at javax.swing.JPanel.setUI(JPanel.java:136)
	at javax.swing.JPanel.updateUI(JPanel.java:109)
	at javax.swing.JPanel.<init>(JPanel.java:69)
	at javax.swing.JPanel.<init>(JPanel.java:92)
	at javax.swing.JPanel.<init>(JPanel.java:100)
	at org.netbeans.modules.j2ee.ejbcore.ui.logicalview.entres.NodeDisplayPanel.<init>(NodeDisplayPanel.java:40)
	at org.netbeans.modules.j2ee.ejbcore.ui.logicalview.entres.CallEjbPanel.<init>(CallEjbPanel.java:123)
	at org.netbeans.modules.j2ee.ejbcore.ui.logicalview.entres.CallEjbDialog.open(CallEjbDialog.java:83)
	at org.netbeans.modules.j2ee.ejbcore.ui.logicalview.entres.CallEjbAction.performAction(CallEjbAction.java:54)
	at org.openide.util.actions.NodeAction.performAction(NodeAction.java:267)
	at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:96)
	at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:55)
	at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:92)
	at org.openide.util.actions.NodeAction.actionPerformed(NodeAction.java:255)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1216)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1257)
	at java.awt.Component.processMouseEvent(Component.java:6038)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
	at java.awt.Component.processEvent(Component.java:5803)
	at java.awt.Container.processEvent(Container.java:2058)
	at java.awt.Component.dispatchEventImpl(Component.java:4410)
	at java.awt.Container.dispatchEventImpl(Container.java:2116)
	at java.awt.Component.dispatchEvent(Component.java:4240)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
	at java.awt.Container.dispatchEventImpl(Container.java:2102)
	at java.awt.Window.dispatchEventImpl(Window.java:2429)
	at java.awt.Component.dispatchEvent(Component.java:4240)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)