public ContainerWrapper findContainer(AppContextWrapper sc) {
		ContainerRegistryBuilder cb = (ContainerRegistryBuilder) sc.getAttribute(ContainerRegistryBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
		if (cb == null)
			cb = prepare(sc);
		launch(sc, cb);
		return cb.getContainerWrapper();
	}
public ContainerWrapper findContainer ( AppContextWrapper sc ) { ContainerRegistryBuilder cb = ( ContainerRegistryBuilder ) sc . getAttribute ( ContainerRegistryBuilder . APPLICATION_CONTEXT_ATTRIBUTE_NAME ) ; if ( cb == null ) cb = prepare ( sc ) ; launch ( sc , cb ) ; return cb . getContainerWrapper ( ) ; }
lazy startup container when first time the method is called, it will
startup the container

@param sc
ServletContext
@return ContainerWrapper
@throws Exception