OpenJUMPers:
I got a null pointer exception today when trying to change the data
type of an attribute from String to Date. There was a single feature
with an existing value of this attribute. I will list the stack trace
below. Let me know if you have any ideas. If you don't, I'll file a
bug report.
The bug occured in OpenJUMP CORE 2012-02-22 on Windows 7. OJ was
running on Java 6.
Not sure what happened from reading the stack trace. You can see the
null pointer exception below was generated when I hit the apply
button. Note: After excusing the exception, the change in data type
was made.
Thanks.
The Sunburned Surveyor
ava.lang.NullPointerException
at
com.vividsolutions.jump.workbench.ui.AttributeTablePanel.handleColumnModelChanges(AttributeTablePanel.java:487)
at
com.vividsolutions.jump.workbench.ui.AttributeTablePanel.access$600(AttributeTablePanel.java:80)
at
com.vividsolutions.jump.workbench.ui.AttributeTablePanel$8.columnRemoved(AttributeTablePanel.java:451)
at
javax.swing.table.DefaultTableColumnModel.fireColumnRemoved(DefaultTableColumnModel.java:540)
at
javax.swing.table.DefaultTableColumnModel.removeColumn(DefaultTableColumnModel.java:139)
at javax.swing.JTable.createDefaultColumnsFromModel(JTable.java:1258)
at javax.swing.JTable.tableChanged(JTable.java:4374)
at
com.vividsolutions.jump.workbench.ui.ColumnBasedTableModel.fireTableChanged(ColumnBasedTableModel.java:136)
at
com.vividsolutions.jump.workbench.ui.LayerTableModel$3.layerChanged(LayerTableModel.java:144)
at
com.vividsolutions.jump.workbench.model.LayerManager$3.run(LayerManager.java:432)
at
com.vividsolutions.jump.workbench.ui.GUIUtil.invokeOnEventThread(GUIUtil.java:581)
at
com.vividsolutions.jump.workbench.model.LayerManager.fireLayerEvent(LayerManager.java:396)
at
com.vividsolutions.jump.workbench.model.LayerManager.fireLayerChanged(LayerManager.java:430)
at
com.vividsolutions.jump.workbench.model.LayerManager.fireLayerChanged(LayerManager.java:454)
at
com.vividsolutions.jump.workbench.model.AbstractLayerable.fireLayerChanged(AbstractLayerable.java:95)
at
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn.applyChanges(ViewSchemaPlugIn.java:172)
at
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn.access$300(ViewSchemaPlugIn.java:93)
at
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn$EditSchemaFrame$3.actionPerformed(ViewSchemaPlugIn.java:543)
at
com.vividsolutions.jump.workbench.ui.SchemaPanel.fireActionPerformed(SchemaPanel.java:686)
at
com.vividsolutions.jump.workbench.ui.SchemaPanel.applyButton_actionPerformed(SchemaPanel.java:676)
at
com.vividsolutions.jump.workbench.ui.SchemaPanel$14.actionPerformed(SchemaPanel.java:447)
at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6290)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6055)
at java.awt.Container.processEvent(Container.java:2039)
at java.awt.Component.dispatchEventImpl(Component.java:4653)
at java.awt.Container.dispatchEventImpl(Container.java:2097)
at java.awt.Component.dispatchEvent(Component.java:4481)
at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4575)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4236)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4166)
at java.awt.Container.dispatchEventImpl(Container.java:2083)
at java.awt.Window.dispatchEventImpl(Window.java:2482)
at java.awt.Component.dispatchEvent(Component.java:4481)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:648)
at java.awt.EventQueue.access$000(EventQueue.java:84)
at java.awt.EventQueue$1.run(EventQueue.java:607)
at java.awt.EventQueue$1.run(EventQueue.java:605)
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:621)
at java.awt.EventQueue$2.run(EventQueue.java:619)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:618)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
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