无法连接Redis数据库，请问我需要修改哪里

Question

我正在修改别人的代码，我需要修改哪里改？

报错

reactor.core.Exceptions$ErrorCallbackNotImplemented: org.springframework.data.redis.RedisConnectionFailureException: Unable to connect to Redis; nested exception is io.lettuce.core.RedisConnectionException: Unable to connect to localhost:6379
Caused by: org.springframework.data.redis.RedisConnectionFailureException: Unable to connect to Redis; nested exception is io.lettuce.core.RedisConnectionException: Unable to connect to localhost:6379

以下这段是连接的代码

/*
 *    Copyright (c) 2018-2025, idatage All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of the pig4cloud.com developer nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * Author: idatage
 */

package com.idatage.idatage.gateway.config;

import com.idatage.idatage.gateway.handler.ImageCodeHandler;
import com.idatage.idatage.gateway.handler.SwaggerResourceHandler;
import com.idatage.idatage.gateway.handler.SwaggerSecurityHandler;
import com.idatage.idatage.gateway.handler.SwaggerUiHandler;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.web.reactive.function.server.RequestPredicates;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;

/**
 * @author idatage
 * @date 2018/7/5
 * 路由配置信息
 */
@Slf4j
@Configuration
@AllArgsConstructor
public class RouterFunctionConfiguration {
    private final SwaggerResourceHandler swaggerResourceHandler;
    private final SwaggerSecurityHandler swaggerSecurityHandler;
    private final SwaggerUiHandler swaggerUiHandler;
    private final ImageCodeHandler imageCodeHandler;

    @Bean
    public RouterFunction routerFunction() {
        return RouterFunctions.route(
                RequestPredicates.path("/code")
                        .and(RequestPredicates.accept(MediaType.TEXT_PLAIN)), imageCodeHandler)
                .andRoute(RequestPredicates.GET("/swagger-resources")
                        .and(RequestPredicates.accept(MediaType.ALL)), swaggerResourceHandler)
                .andRoute(RequestPredicates.GET("/swagger-resources/configuration/ui")
                        .and(RequestPredicates.accept(MediaType.ALL)), swaggerUiHandler)
                .andRoute(RequestPredicates.GET("/swagger-resources/configuration/security")
                        .and(RequestPredicates.accept(MediaType.ALL)), swaggerSecurityHandler);

    }

}

Answer 1

1. 改别人的代码就去问写的人……
2. Unable to connect to localhost:6379，本地的redis没起来，或者改配置连其他redis