RestTemplate请求超时导致java.io.IOException: Broken pipe

connect timed out; nested exception is java.net.SocketTimeoutException: connect timed out
java.io.IOException: Broken pipe

解决：调整restTemplate配置
使用HttpComponentsClientHttpRequestFactory

@Bean
    public ClientHttpRequestFactory httpRequestFactory(){
        return new HttpComponentsClientHttpRequestFactory(httpClient());
    }

    @Bean
    public HttpClient httpClient(){


        Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", PlainConnectionSocketFactory.getSocketFactory())
                .register("https", SSLConnectionSocketFactory.getSocketFactory())
                .build();

        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);


        //设置连接池最大是500个连接
        connectionManager.setMaxTotal(500);
        //MaxPerRoute是对maxTotal的细分，每个主机的并发最大是300，route是指域名
        connectionManager.setDefaultMaxPerRoute(300);

        RequestConfig requestConfig = RequestConfig.custom()
                //返回数据的超时时间
                .setSocketTimeout(20000)
                //连接上服务器的超时时间
                .setConnectTimeout(10000)
                //从连接池中获取连接的超时时间
                .setConnectionRequestTimeout(1000)
                .build();

        return HttpClientBuilder.create()
                .setDefaultRequestConfig(requestConfig)
                .setConnectionManager(connectionManager)
                .build();
    }

引用：https://blog.csdn.net/wnn654321/article/details/121725346