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java.lang.NullPointerException: 	at javax.swing.JComponent.setBorder(JComponent.java:1768)	at com.sun.tools.visualvm.jvmstat.application.ConnectionsCustomizer$CellEditor.updateBorder(ConnectionsCustomizer.java:491)	at com.sun.tools.visualvm.jvmstat.application.ConnectionsCustomizer$CellEditor.access$1400(ConnectionsCustomizer.java:455)	at com.sun.tools.visualvm.jvmstat.application.ConnectionsCustomizer$CellEditor$1$1.run(ConnectionsCustomizer.java:484)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:194)	at java.awt.Dialog$1.run(Dialog.java:1072)	at java.awt.Dialog$3.run(Dialog.java:1126)	at java.security.AccessController.doPrivileged(Native Method)	at java.awt.Dialog.show(Dialog.java:1124)