Springboot統合redisの文字化けし解決方法
1つ目はredisTemplateで値を設定したときに文字化けします
RedisConfigにシーケンス化を加える
2つ目は注記@Cacheableで値を設定すると文字化けし
RedisConfigは次のとおりです.
RedisConfigにシーケンス化を加える
// key
redisTemplate.setKeySerializer(STRING_SERIALIZER);
// value
redisTemplate.setValueSerializer(JACKSON__SERIALIZER);
// Hash key
redisTemplate.setHashKeySerializer(STRING_SERIALIZER);
// Hash value
redisTemplate.setHashValueSerializer(JACKSON__SERIALIZER);
2つ目は注記@Cacheableで値を設定すると文字化けし
@Bean
public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
//
RedisCacheConfiguration redisCacheCfg=RedisCacheConfiguration.defaultCacheConfig()
.entryTtl(Duration.ofHours(1))
.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(STRING_SERIALIZER))
.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(JACKSON__SERIALIZER));
return RedisCacheManager.builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
.cacheDefaults(redisCacheCfg)
.build();
}
RedisConfigは次のとおりです.
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import java.time.Duration;
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport{
private static final StringRedisSerializer STRING_SERIALIZER = new StringRedisSerializer();
private static final GenericJackson2JsonRedisSerializer JACKSON__SERIALIZER = new GenericJackson2JsonRedisSerializer();
@Bean
public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
//
RedisCacheConfiguration redisCacheCfg=RedisCacheConfiguration.defaultCacheConfig()
.entryTtl(Duration.ofHours(1))
.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(STRING_SERIALIZER))
.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(JACKSON__SERIALIZER));
return RedisCacheManager.builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
.cacheDefaults(redisCacheCfg)
.build();
}
@Bean
@ConditionalOnMissingBean(name = "redisTemplate")
public RedisTemplate redisTemplate(RedisConnectionFactory factory){
// redisTemplate
RedisTemplate redisTemplate = new RedisTemplate<>();
redisTemplate.setConnectionFactory(factory);
// key
redisTemplate.setKeySerializer(STRING_SERIALIZER);
// value
redisTemplate.setValueSerializer(JACKSON__SERIALIZER);
// Hash key
redisTemplate.setHashKeySerializer(STRING_SERIALIZER);
// Hash value
redisTemplate.setHashValueSerializer(JACKSON__SERIALIZER);
redisTemplate.afterPropertiesSet();
return redisTemplate;
}
}