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

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via Pentaho BI Platform Tracking by Vijayakrishna Papineni, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at org.pentaho.ui.xul.swing.tags.SwingTree.setElements(SwingTree.java:806)
at sun.reflect.GeneratedMethodAccessor54.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.pentaho.ui.xul.swing.SwingBinding$1.propertyChange(SwingBinding.java:96)
at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
at org.pentaho.ui.xul.XulEventSourceAdapter.firePropertyChange(XulEventSourceAdapter.java:27)
at com.teradata.aggdes.ui.impl.AjiOutputModel.setAvailableIndexColumns(AjiOutputModel.java:135)
at com.teradata.aggdes.ui.impl.AjiOutputModel.refreshAvailableColumns(AjiOutputModel.java:169)
at com.teradata.aggdes.ui.impl.AjiOutputUiExtension.loadOutput(AjiOutputUiExtension.java:137)
at org.pentaho.aggdes.ui.form.controller.AggController.applyUiExtensions(AggController.java:218)
at org.pentaho.aggdes.ui.form.controller.AggController$4.listChanged(AggController.java:168)
at org.pentaho.aggdes.ui.model.impl.AggListImpl.fireEvent(AggListImpl.java:68)
at org.pentaho.aggdes.ui.model.impl.AggListImpl.setSelectedIndex(AggListImpl.java:118)
at org.pentaho.aggdes.ui.form.controller.AggListController$3.listChanged(AggListController.java:436)
at org.pentaho.aggdes.ui.model.impl.AggListImpl.fireEvent(AggListImpl.java:68)
at org.pentaho.aggdes.ui.model.impl.AggListImpl.removeAgg(AggListImpl.java:99)
at org.pentaho.aggdes.ui.form.controller.AggListController.removeAgg(AggListController.java:564)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:294)
at org.pentaho.ui.xul.swing.tags.SwingButton$1$1.run(SwingButton.java:80)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

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