Lettuce bug(RedisCommandTimeoutException) in spring-boot-autoconfigure 2.0.5

[Gabrieljev]

Bug Report

Redis version:5.0.3 mode:Standalone
Using Twemproxy
springboot-data-redis:2.0.5.REALESE
lettuce version : default version

The lettuce is default redis client. Spring boot autoconfigure in LettuceConnectionConfiguration,

picture the properties here
spring.redis.timeout=1000
spring.redis.lettuce.pool.max-active=50
spring.redis.lettuce.pool.max-wait=-1ms
spring.redis.lettuce.pool.max-idle=50
spring.redis.lettuce.pool.min-idle=0

twemproxy timeout : 400ms

io.lettuce.core.RedisCommandExecutionException: ERR Connection timed out
org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is io.lettuce.core.RedisCommandExecutionException: ERR Connection timed out
	at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:54)
	at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:52)
	at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:41)
	at org.springframework.data.redis.PassThroughExceptionTranslationStrategy.translate(PassThroughExceptionTranslationStrategy.java:44)
	at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:42)
	at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:257)
	at org.springframework.data.redis.connection.lettuce.LettuceStringCommands.convertLettuceAccessException(LettuceStringCommands.java:718)
	at org.springframework.data.redis.connection.lettuce.LettuceStringCommands.mGet(LettuceStringCommands.java:116)
	at org.springframework.data.redis.connection.DefaultedRedisConnection.mGet(DefaultedRedisConnection.java:224)
	at org.springframework.data.redis.core.DefaultValueOperations.lambda$multiGet$4(DefaultValueOperations.java:142)
	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:224)
	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:184)
	at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:95)
	at org.springframework.data.redis.core.DefaultValueOperations.multiGet(DefaultValueOperations.java:142)
	at com.tiket.tix.hotel.markup.service.impl.CacheServiceImpl.findCacheByMultipleKeys(CacheServiceImpl.java:53)
	at com.tiket.tix.hotel.markup.service.impl.SystemParameterServiceImpl.lambda$findSystemParameterByVariableIn$26(SystemParameterServiceImpl.java:210)
	at reactor.core.publisher.FluxDefer.subscribe(FluxDefer.java:47)
	at reactor.core.publisher.FluxPeek.subscribe(FluxPeek.java:83)
	at reactor.core.publisher.MonoCollectList.subscribe(MonoCollectList.java:59)
	at reactor.core.publisher.MonoPeekFuseable.subscribe(MonoPeekFuseable.java:74)
	at reactor.core.publisher.MonoFlatMap.subscribe(MonoFlatMap.java:60)
	at reactor.core.publisher.MonoMapFuseable.subscribe(MonoMapFuseable.java:59)
	at reactor.core.publisher.MonoPeekFuseable.subscribe(MonoPeekFuseable.java:74)
	at reactor.core.publisher.MonoDoFinallyFuseable.subscribe(MonoDoFinallyFuseable.java:48)
	at reactor.core.publisher.Mono.subscribe(Mono.java:3088)
	at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:123)
	at reactor.core.scheduler.ExecutorScheduler$ExecutorTrackedRunnable.run(ExecutorScheduler.java:189)
	at reactor.core.scheduler.ExecutorScheduler$ExecutorSchedulerTrampolineWorker.run(ExecutorScheduler.java:382)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: io.lettuce.core.RedisCommandExecutionException: ERR Connection timed out
	at io.lettuce.core.protocol.AsyncCommand.completeResult(AsyncCommand.java:118)
	at io.lettuce.core.protocol.AsyncCommand.complete(AsyncCommand.java:109)
	at io.lettuce.core.protocol.CommandWrapper.complete(CommandWrapper.java:57)
	at io.lettuce.core.protocol.CommandHandler.complete(CommandHandler.java:598)
	at io.lettuce.core.protocol.CommandHandler.decode(CommandHandler.java:556)
	at io.lettuce.core.protocol.CommandHandler.channelRead(CommandHandler.java:508)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965)
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:808)
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:410)
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:310)
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)

This Exception is use :

<dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-redis-reactive</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-pool2</artifactId>
    </dependency>

Use jedis will solve this issue. but not a good option

[mp911de]

Connection timed out is a Redis response. What specific behavior would you expect in this case?

[mp911de]

Closing due to lack of requested feedback. If you would like us to look at this issue, please provide the requested information and we will re-open the issue.