java.lang.NullPointerException: This exception has no message.

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 Stack Overflow by Kit
, 1 year ago
via Oracle Community by 843790, 1 year ago
This exception has no message.
via Google Groups by matt dash, 2 weeks ago
via Coderanch by Richard West, 1 year ago
This exception has no message.
via Google Groups by Unknown author, 4 months ago
This exception has no message.
via Google Groups by freesoft_2000, 2 years ago
This exception has no message.
java.lang.NullPointerException:
at javax.swing.plaf.basic.BasicTableUI.getPreferredSize(BasicTableUI.java:1728)
at javax.swing.JComponent.getPreferredSize(JComponent.java:1660)
at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:790)
at java.awt.Container.layout(Container.java:1503)
at java.awt.Container.doLayout(Container.java:1492)
at java.awt.Container.validateTree(Container.java:1688)
at java.awt.Container.validate(Container.java:1623)
at javax.swing.JViewport.validateView(JViewport.java:485)
at javax.swing.JViewport.scrollRectToVisible(JViewport.java:396)
at gov.wreckingball.wbs.MissionConsoleManager.MCMMasterHeadersTablePanel$9.valueChanged(MCMMasterHeadersTablePanel.java:1478)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:184)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:164)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:211)
at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:405)
at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:415)
at javax.swing.DefaultListSelectionModel.removeSelectionIntervalImpl(DefaultListSelectionModel.java:576)
at javax.swing.DefaultListSelectionModel.clearSelection(DefaultListSelectionModel.java:420)
at javax.swing.JTable.restoreSortingSelection(JTable.java:4210)
at javax.swing.JTable.access$500(JTable.java:221)
at javax.swing.JTable$SortManager.restoreSelection(JTable.java:4023)
at javax.swing.JTable$SortManager.processChange(JTable.java:3997)
at javax.swing.JTable.sortedTableChanged(JTable.java:4129)
at javax.swing.JTable.tableChanged(JTable.java:4395)
at javax.swing.table.AbstractTableModel.fireTableChanged(AbstractTableModel.java:296)
at javax.swing.table.AbstractTableModel.fireTableRowsDeleted(AbstractTableModel.java:261)
at javax.swing.table.DefaultTableModel.removeRow(DefaultTableModel.java:464)
at gov.wreckingball.wbs.GUIUtils.GUIUtilWBTable$1TableRowTransferHandler.exportDone(GUIUtilWBTable.java:899)
at javax.swing.TransferHandler$DragHandler.dragDropEnd(TransferHandler.java:1642)
at java.awt.dnd.DragSourceContext.dragDropEnd(DragSourceContext.java:435)
at sun.awt.dnd.SunDragSourceContextPeer$EventDispatcher.run(SunDragSourceContextPeer.java:487)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:154)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:182)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:221)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:219)
at java.awt.Dialog.show(Dialog.java:1082)
at java.awt.Component.show(Component.java:1655)
at java.awt.Component.setVisible(Component.java:1607)
at java.awt.Window.setVisible(Window.java:1014)
at java.awt.Dialog.setVisible(Dialog.java:1005)
at gov.wreckingball.wbs.MissionPlannerConsole.Main.runMain(Main.java:88)
at gov.wreckingball.wbs.MissionPlannerConsole.Main.access$000(Main.java:17)
at gov.wreckingball.wbs.MissionPlannerConsole.Main$1.run(Main.java:27)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.