java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:2760)
        at java.util.Arrays.copyOf(Arrays.java:2734)
        at java.util.ArrayList.ensureCapacity(ArrayList.java:167)
        at java.util.ArrayList.add(ArrayList.java:370)
        at org.netbeans.modules.form.editors2.TableModelEditor$NbTableModel.addRow(TableModelEditor.java:658)
        at org.netbeans.modules.form.editors.TableCustomizer.ensureRowCount(TableCustomizer.java:1587)
        at org.netbeans.modules.form.editors.TableCustomizer.rowCountSpinnerStateChanged(TableCustomizer.java:826)
        at org.netbeans.modules.form.editors.TableCustomizer.access$3700(TableCustomizer.java:74)
        at org.netbeans.modules.form.editors.TableCustomizer$FormListener.stateChanged(TableCustomizer.java:770)
        at javax.swing.JSpinner.fireStateChanged(JSpinner.java:434)
        at javax.swing.JSpinner$ModelListener.stateChanged(JSpinner.java:361)
        at javax.swing.AbstractSpinnerModel.fireStateChanged(AbstractSpinnerModel.java:102)
        at javax.swing.SpinnerNumberModel.setValue(SpinnerNumberModel.java:430)
        at javax.swing.JSpinner.setValue(JSpinner.java:329)
        at javax.swing.JSpinner$DefaultEditor.propertyChange(JSpinner.java:746)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at java.awt.Component.firePropertyChange(Component.java:8128)
        at javax.swing.JFormattedTextField.setValue(JFormattedTextField.java:782)
        at javax.swing.JFormattedTextField.commitEdit(JFormattedTextField.java:513)
        at javax.swing.JFormattedTextField$CommitAction.actionPerformed(JFormattedTextField.java:1099)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1636)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2851)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2886)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2814)
        at java.awt.Component.processEvent(Component.java:6040)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1848)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:704)