Bug 124501 need uninstall of jst.utility facet
The jst.utility facet needs an uninstall delegate. Without it, it is not possible to deselect this facet and select/install the Dynamic Web Module facet on an existing project.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/core/model/schematic/TableHandleAdapter.java
{
				CellHandleAdapter cellAdapt = HandleAdapterFactory
						.getInstance( ).getCellHandleAdapter(
								cellChildren.get( j ) );
				int cellIndex = info.getAllChildren( ).indexOf(
						cellChildren.get( j ) );
				if ( cellAdapt.getColumnSpan( ) != 1 )
				{
					if ( cellIndex + 2 <= info.getAllChildren( ).size( )
							&& cellIndex >= 0 )
					{
						fillRowInfoChildrenList( children.get( i ),
								cellIndex + 2, cellAdapt.getColumnSpan( ) - 1,
								cellChildren.get( j ) );
					}
				}
				if ( cellAdapt.getRowSpan( ) != 1 )
				{
					for ( int k = i + 1; k < i + cellAdapt.getRowSpan( ); k++ )
					{
						if ( cellIndex < 0
								|| cellIndex + cellAdapt.getColumnSpan( ) > info
										.getAllChildren( ).size( ) )
						{
							continue;
						}
						fillRowInfoChildrenList( children.get( k ),
								cellIndex + 1, cellAdapt.getColumnSpan( ),
								cellChildren.get( j ) );
					}