SpringBoot Caused by: io.lettuce.core.RedisCommandTimeoutException: Command 连接Redis经常报错

SpringBoot 2.X版本整合 Redis时，偶尔出现连接超时情况

 

2.x 版本自带的Redis客户端是 lettuce  

 

异常信息为：

Command timed out after 1 minute(s)

 

百度解决方案各种不靠谱，研究源码，在结合netty的使用方式如下方式修改即可：

@Bean
public LettuceConnectionFactory redisConnectionFactory() {
    ClientOptions clientOptions = ClientOptions.builder()
            .autoReconnect(true)
            .cancelCommandsOnReconnectFailure(false)
            .disconnectedBehavior(ClientOptions.DisconnectedBehavior.DEFAULT)
            .pingBeforeActivateConnection(true)
            .publishOnScheduler(true)
            .timeoutOptions(TimeoutOptions.create())
            .socketOptions(SocketOptions.builder().connectTimeout(properties.getTimeout()).keepAlive(true).build())
            .build();
    RedisStandaloneConfiguration standaloneConfiguration = new RedisStandaloneConfiguration();
    standaloneConfiguration.setHostName(properties.getHost());
    standaloneConfiguration.setPort(properties.getPort());
    standaloneConfiguration.setPassword(properties.getPassword());
    standaloneConfiguration.setDatabase(properties.getDatabase());

    LettuceClientConfiguration clientConfiguration = LettuceClientConfiguration.builder()
            .clientOptions(clientOptions)
            .commandTimeout(properties.getTimeout())
            .shutdownTimeout(properties.getLettuce().getShutdownTimeout())
            .build();
    LettuceConnectionFactory factory = new LettuceConnectionFactory(standaloneConfiguration, clientConfiguration);
    factory.setValidateConnection(true);
    return factory;
}

# 连接超时时间（毫秒）
spring.redis.timeout=60000ms