}
if (!(source instanceof Context)) {
throw new DeployerException("Invalid source object '" + source + "'.");
}
Context context = (Context) source;
ContextHandler contextHandler = context.getContextHandler();
this.jettyServer = contextHandler.getServer();
// No server ?
if (this.jettyServer == null) {
throw new DeployerException("No Jetty server found on the servlet context event '" + servletContextEvent + "'.");