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
if ( newArray[j] == null )
						{
							newArray[j] = list.get( i );
							break;
						}
					}
				}
				cells = newArray;
			}
			else
			{
				cells[index] = obj;
			}
			int lenegth = infactAdd.length;
			int[] temp = new int[lenegth + 1];
			System.arraycopy( infactAdd, 0, temp, 0, lenegth );
			temp[lenegth] = index;
			infactAdd = temp;
		}
		private boolean containIndex( int index )
		{
			int length = infactAdd.length;
			for ( int i = 0; i < length; i++ )
			{
				if ( infactAdd[i] == index )
				{
					return true;
				}
			}
			return false;