Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via squirrel-sql by leadman
, 3 months ago
via sourceforge.net by Unknown author, 1 year ago
java.lang.NullPointerException: 	at com.izforge.izpack.panels.PacksPanelBase$CheckBoxRenderer.getTableCellRendererComponent(Unknown Source)	at javax.swing.JTable$AccessibleJTable.getAccessibleChild(JTable.java:7023)	at javax.swing.JTable$AccessibleJTable.getAccessibleAt(JTable.java:7410)	at javax.swing.JTable$AccessibleJTable.valueChanged(JTable.java:6923)	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167)	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:147)	at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:194)	at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:388)	at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:398)	at javax.swing.DefaultListSelectionModel.removeSelectionIntervalImpl(DefaultListSelectionModel.java:559)	at javax.swing.DefaultListSelectionModel.clearSelection(DefaultListSelectionModel.java:403)	at javax.swing.JTable.clearSelection(JTable.java:2080)	at javax.swing.JTable.clearSelectionAndLeadAnchor(JTable.java:2088)	at javax.swing.JTable.tableChanged(JTable.java:4433)	at javax.swing.table.AbstractTableModel.fireTableChanged(AbstractTableModel.java:280)	at javax.swing.table.AbstractTableModel.fireTableDataChanged(AbstractTableModel.java:182)	at com.izforge.izpack.panels.PacksModel.setValueAt(Unknown Source)	at com.izforge.izpack.panels.PacksPanelBase$1.mouseClicked(Unknown Source)	at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253)	at java.awt.Component.processMouseEvent(Component.java:6377)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)	at java.awt.Component.processEvent(Component.java:6139)	at java.awt.Container.processEvent(Container.java:2085)	at java.awt.Component.dispatchEventImpl(Component.java:4736)	at java.awt.Container.dispatchEventImpl(Container.java:2143)	at java.awt.Component.dispatchEvent(Component.java:4566)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4621)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4291)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)	at java.awt.Container.dispatchEventImpl(Container.java:2129)	at java.awt.Window.dispatchEventImpl(Window.java:2478)	at java.awt.Component.dispatchEvent(Component.java:4566)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:680)	at java.awt.EventQueue.access$000(EventQueue.java:86)	at java.awt.EventQueue$1.run(EventQueue.java:639)	at java.awt.EventQueue$1.run(EventQueue.java:637)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)	at java.awt.EventQueue$2.run(EventQueue.java:653)	at java.awt.EventQueue$2.run(EventQueue.java:651)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:650)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)