public void start()

in spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowWebServer.java [118:151]

34 lines of code
6 McCabe index (conditional complexity)


	public void start() throws WebServerException {
		synchronized (this.monitor) {
			if (this.started) {
				return;
			}
			try {
				if (!this.autoStart) {
					return;
				}
				if (this.undertow == null) {
					this.undertow = createUndertowServer();
				}
				this.undertow.start();
				this.started = true;
				String message = getStartLogMessage();
				logger.info(message);
			}
			catch (Exception ex) {
				try {
					PortInUseException.ifPortBindingException(ex, (bindException) -> {
						List<Port> failedPorts = getConfiguredPorts();
						failedPorts.removeAll(getActualPorts());
						if (failedPorts.size() == 1) {
							throw new PortInUseException(failedPorts.get(0).getNumber());
						}
					});
					throw new WebServerException("Unable to start embedded Undertow", ex);
				}
				finally {
					stopSilently();
				}
			}
		}
	}