java.lang.NullPointerException java.lang.NullPointerException: null     
org.gvsig.remotesensing.decisiontrees.gui.listener.DecisionTreePanelListener.executeTree(DecisionTreePanelListener.java:482)     
org.gvsig.remotesensing.decisiontrees.gui.listener.DecisionTreePanelListener.actionButtonPressed(DecisionTreePanelListener.java:294)     
org.gvsig.gui.beans.buttonspanel.ButtonsPanel.callActionCommandListeners(ButtonsPanel.java:162)     
org.gvsig.gui.beans.buttonspanel.ButtonsPanel.access$000(ButtonsPanel.java:45)     
org.gvsig.gui.beans.buttonspanel.ButtonsPanel$1.actionPerformed(ButtonsPanel.java:265)     
javax.swing.AbstractButton.fireActionPerformed(Unknown Source)     
javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)     
javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)     
javax.swing.DefaultButtonModel.setPressed(Unknown Source)     
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)     
java.awt.Component.processMouseEvent(Unknown Source)     
javax.swing.JComponent.processMouseEvent(Unknown Source)     
java.awt.Component.processEvent(Unknown Source)     
java.awt.Container.processEvent(Unknown Source)     
java.awt.Component.dispatchEventImpl(Unknown Source)     
java.awt.Container.dispatchEventImpl(Unknown Source)     
java.awt.Component.dispatchEvent(Unknown Source)     
java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)     
java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)     
java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)     
java.awt.Container.dispatchEventImpl(Unknown Source)     
java.awt.Window.dispatchEventImpl(Unknown Source)     
java.awt.Component.dispatchEvent(Unknown Source)     
java.awt.EventQueue.dispatchEvent(Unknown Source)     
com.iver.andami.ui.AndamiEventQueue.dispatchEvent(AndamiEventQueue.java:58)     
java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)     
java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)     
java.awt.EventDispatchThread.pumpEvents(Unknown Source)     
java.awt.EventDispatchThread.pumpEvents(Unknown Source)     
java.awt.EventDispatchThread.run(Unknown Source)