Bug 177091 Can't access stored procedure defined in Oracle Package
1.setup an oracle connection 2.try to call a stored procedure defined in package
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
{
		availableDbObjectsTree.addListener( SWT.Expand, new Listener( ) {
			/*
			 * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
			 */
			public void handleEvent( final Event event )
			{
				TreeItem item = (TreeItem) event.item;
				BusyIndicator.showWhile( item.getDisplay( ), new Runnable( ) {
					/*
					 * @see java.lang.Runnable#run()
					 */
					public void run( )
					{
						showTable( event );
					}
				} );
			}
			/**
			 * @param event
			 */
			private void showTable( Event event )
			{
				TreeItem item = (TreeItem) event.item;
				if ( item == null )
					return;
				if ( item == rootNode )
					return;
				if ( isSchemaNode( item ) )
				{