@Bean
	@Order(Ordered.HIGHEST_PRECEDENCE)
	@ConditionalOnMissingBean
	public SentinelGatewayBlockExceptionHandler sentinelGatewayBlockExceptionHandler() {
		// Register the block exception handler for Spring Cloud Gateway.
		logger.info(
				"[Sentinel SpringCloudGateway] register SentinelGatewayBlockExceptionHandler");
		return new SentinelGatewayBlockExceptionHandler(viewResolvers,
				serverCodecConfigurer);
	}
@author <a href="mailto:fangjian0423@gmail.com">Jim</a>
spring-cloud-alibaba-starters/spring-cloud-alibaba-sentinel-gateway/src/main/java/com/alibaba/cloud/sentinel/gateway/scg/SentinelSCGAutoConfiguration.java