不从属性文件中选择 Redis 的属性答案

【问题标题】：Not picking properties for Redis from property file不从属性文件中选择 Redis 的属性
【发布时间】：2019-05-20 11:57:25
【问题描述】：

我已经在我的 Spring Boot 应用程序中配置了 Redis，并在 application.properties 文件中放置了一些属性。但它采用默认属性 (localhost:6379)

这里是配置

@Configuration
@EnableRedisRepositories("com.demo.redis.repository")
public class RedisDataSourceConfig {


    @Bean
    public JedisConnectionFactory jedisConnectionFactory() {
        log.debug("Create Jedis Connection Factory");
        return new JedisConnectionFactory();
    }


    @Bean
    public RedisTemplate<String, Object> redisTemplate() {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(jedisConnectionFactory());
        template.setKeySerializer(new StringRedisSerializer());
        template.setValueSerializer(new JdkSerializationRedisSerializer());
        template.setHashKeySerializer(template.getKeySerializer());
        template.setHashValueSerializer(template.getValueSerializer());
        return template;
    }


    @Bean
    public RedisTemplate<String, Object> jsonRedisTemplate() {
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(jedisConnectionFactory());
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(Object.class));
        redisTemplate.setHashKeySerializer(redisTemplate.getKeySerializer());
        redisTemplate.setHashValueSerializer(redisTemplate.getValueSerializer());
        return redisTemplate;
    }
}

这是我在属性文件中的属性

spring.cache.type=redis
spring.redis.host=192.168.10.226
spring.redis.port=6379
spring.cache.redis.time-to-live=600000

【问题讨论】：

标签： spring-boot spring-data-redis

【解决方案1】：

我使用了 RedisStandaloneConfiguration 来设置属性。现在一切正常

@Bean
    JedisConnectionFactory jedisConnectionFactory() {

        RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
        redisStandaloneConfiguration.setHostName("localhost");
        redisStandaloneConfiguration.setPort(6379);
        redisStandaloneConfiguration.setDatabase(0);
        redisStandaloneConfiguration.setPassword(RedisPassword.of("password"));

        JedisClientConfigurationBuilder jedisClientConfiguration = JedisClientConfiguration.builder();
        jedisClientConfiguration.connectTimeout(Duration.ofSeconds(60));// 60s connection timeout

        JedisConnectionFactory jedisConFactory = new JedisConnectionFactory(redisStandaloneConfiguration,
                jedisClientConfiguration.build());

        return jedisConFactory;
    }

【讨论】：

【解决方案2】：

在您的配置中添加 PropertySource 注释

@Configuration
@EnableRedisRepositories("com.demo.redis.repository")
@PropertySource("classpath:application.properties")
public class RedisDataSourceConfig {


@Bean
public JedisConnectionFactory jedisConnectionFactory() {
    log.debug("Create Jedis Connection Factory");
    return new JedisConnectionFactory();
}


@Bean
public RedisTemplate<String, Object> redisTemplate() {
    RedisTemplate<String, Object> template = new RedisTemplate<>();
    template.setConnectionFactory(jedisConnectionFactory());
    template.setKeySerializer(new StringRedisSerializer());
    template.setValueSerializer(new JdkSerializationRedisSerializer());
    template.setHashKeySerializer(template.getKeySerializer());
    template.setHashValueSerializer(template.getValueSerializer());
    return template;
}


@Bean
public RedisTemplate<String, Object> jsonRedisTemplate() {
    RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
    redisTemplate.setConnectionFactory(jedisConnectionFactory());
    redisTemplate.setKeySerializer(new StringRedisSerializer());
    redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(Object.class));
    redisTemplate.setHashKeySerializer(redisTemplate.getKeySerializer());
    redisTemplate.setHashValueSerializer(redisTemplate.getValueSerializer());
    return redisTemplate;
}

}

【讨论】：

【解决方案3】：

JedisConnectionFactory 应该使用@Autowired，而不是使用@Bean 注释。使用以下代码：

@Autowired
private JedisConnectionFactory jedisConnectionFactory;

然后在您的 redisTemplate() 方法中调用：

template.setConnectionFactory(jedisConnectionFactory);

现在，jedisConnectionFactory 将使用您的application.properties，只要它在标准路径中可用：src/main/resources。

【讨论】：