Spring Cloud Gateway 之 Only one connection receive subscriber allowed

都说Spring Cloud Gateway好,我也来试试,但是配置了老是报下面这个错误:java

java.lang.IllegalStateException: Only one connection receive subscriber allowed.

困扰了我几天的问题,原来这是 Spring Boot 2.0.5 以上版本的坑,最终从GitHub上找到了答案:git

一、一种变相的解决方法:github

@Bean
    public HiddenHttpMethodFilter hiddenHttpMethodFilter() {
        return new HiddenHttpMethodFilter() {
            @Override
            public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
                return chain.filter(exchange);
            }
        };
    }

原文:https://github.com/spring-projects/spring-boot/issues/14509spring

二、另一方法是降级为 Spring Boot 2.0.4ide

原文:https://github.com/spring-cloud/spring-cloud-gateway/issues/541spring-boot

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