【解決】io.lettuce.core.RedisCommandTimeoutException: Command timed out

springboot（spring也一樣的）整個redis 的時候報如下錯誤：

org.springframework.dao.QueryTimeoutException: Redis command timed out; nested exception is io.lettuce.core.RedisCommandTimeoutException: Command timed out
	at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:70) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:41) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.PassThroughExceptionTranslationStrategy.translate(PassThroughExceptionTranslationStrategy.java:44) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:42) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:257) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.connection.lettuce.LettuceConnection.pSubscribe(LettuceConnection.java:747) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.listener.RedisMessageListenerContainer$SubscriptionTask.eventuallyPerformSubscription(RedisMessageListenerContainer.java:783) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.listener.RedisMessageListenerContainer$SubscriptionTask.run(RedisMessageListenerContainer.java:750) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]

Caused by: io.lettuce.core.RedisCommandTimeoutException: Command timed out
	at io.lettuce.core.LettuceFutures.awaitOrCancel(LettuceFutures.java:114) ~[lettuce-core-5.0.2.RELEASE.jar:na]
	at io.lettuce.core.FutureSyncInvocationHandler.handleInvocation(FutureSyncInvocationHandler.java:62) ~[lettuce-core-5.0.2.RELEASE.jar:na]
	at io.lettuce.core.internal.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:80) ~[lettuce-core-5.0.2.RELEASE.jar:na]
	at com.sun.proxy.$Proxy70.psubscribe(Unknown Source) ~[na:na]
	at org.springframework.data.redis.connection.lettuce.LettuceSubscription.doPsubscribe(LettuceSubscription.java:54) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.connection.util.AbstractSubscription.pSubscribe(AbstractSubscription.java:130) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	at org.springframework.data.redis.connection.lettuce.LettuceConnection.pSubscribe(LettuceConnection.java:745) ~[spring-data-redis-2.0.5.RELEASE.jar:2.0.5.RELEASE]
	... 3 common frames omitted

 

 

錯誤原因：連線超時時間設定的過於短暫（我這邊設定成了0），修改為5000左右即可

 

 

 

# REDIS (RedisProperties)
# Redis資料庫索引（預設為0）
spring.redis.database=0
# Redis伺服器地址
spring.redis.host=192.168.30.103
# Redis伺服器連線埠
spring.redis.port=6379
# Redis伺服器連線密碼（預設為空）
spring.redis.password=
# 連線池最大連線數（使用負值表示沒有限制）
spring.redis.jedis.pool.max-active=8
# 連線池最大阻塞等待時間（使用負值表示沒有限制）
spring.redis.jedis.pool.max-wait=-1
# 連線池中的最大空閒連線
spring.redis.jedis.pool.max-idle=8
# 連線池中的最小空閒連線
spring.redis.jedis.pool.min-idle=0
# 連線超時時間（毫秒）
spring.redis.timeout=5000