Error creating bean with name 'enableRedisKeyspaceNotificationsInitializer' with Redis

java spring maven redis
13,233

Solution 1

Let's start by inspecting the root cause in the stack trace:

Caused by: com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events

It says that configuration of notify-keyspace-events in your Redis instance is not supported. Vanilla Redis does support configuration of notify-keyspace-events so that's a hint that you run on a non-vanilla Redis (such as Amazon's Redis variant ElastiCache, Microsoft's Azure or you have something in front of your Redis instance that prevents configuration).

Keyspace events are required for session expiry hence Spring Session attempts to auto-configure your Redis server. You need to configure notify-keyspace-events to Egx (or A for all) to make Spring Session work.

You can also provide a bean of the type ConfigureRedisAction to configure Redis programmatically.

References:

Solution 2

Before going into any further details of the issue,please make sure that you have redis server available in your local and it's up and running. To get the redis server up and running do the followings :

  1. Download the zip file from https://github.com/MSOpenTech/redis/releases/tag/win-2.8.2104
  2. Extract the zip file and run redis-server.exe with cmd . In the command you should specify the maximum heap memory, for example D:\Redis\redis-server.exe --maxheap 1024M

Solution 3

Adding following configuration will help you

import org.springframework.session.data.redis.config.ConfigureRedisAction;

@Bean
public static ConfigureRedisAction configureRedisAction() {
     return ConfigureRedisAction.NO_OP;
}

Solution 4

AWS ElastiCache comes with keyspace notifications disabled by default, but you can enable it via parameter group.

Quoting the official documentation on How do I implement Redis keyspace notifications in ElastiCache?

  1. Open the ElastiCache console.

  2. To see a list of all available parameter groups, choose Parameter Groups in the navigation pane.

  3. Select the parameter group that you want to modify. Note: You can't modify a default parameter group. If the parameter groups listed are all default, create a new parameter group by choosing Create Parameter Group, select a Family, and then choose Create.

  4. Choose Edit Parameters.

  5. Scroll to notify-keyspace-events, and then enter AKE in the Value field. For more information on allowed values, see Redis 2.8.6 added parameters.

  6. Choose Save Changes. The changes take effect immediately without restarting the cluster. Note: Be sure to assign the new modified parameter group to your Redis cluster.

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Netanel Dadon
Author by

Netanel Dadon

Updated on June 04, 2022

Comments

  • Netanel Dadon
    Netanel Dadon almost 2 years

    i'm trying to run Maven Spring application using Redis+ MYSQL, but i unable to run the app due to this error, i've been searching all over the web for proper answer but misfind.

    Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2017-08-08 11:41:31.068 ERROR 8448 --- [           main] o.s.boot.SpringApplication               : Application startup failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'enableRedisKeyspaceNotificationsInitializer' defined in class path resource [org/springframework/session/data/redis/config/annotation/web/http/RedisHttpSessionConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at com.bookstore.BookstoreAngularApplication.main(BookstoreAngularApplication.java:26) [classes/:na]
Caused by: org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events
    at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:50) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:48) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:41) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.PassThroughExceptionTranslationStrategy.translate(PassThroughExceptionTranslationStrategy.java:37) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:37) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:330) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceConnection.setConfig(LettuceConnection.java:738) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.session.data.redis.config.ConfigureNotifyKeyspaceEventsAction.configure(ConfigureNotifyKeyspaceEventsAction.java:68) ~[spring-session-1.3.0.RELEASE.jar:na]
    at org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration$EnableRedisKeyspaceNotificationsInitializer.afterPropertiesSet(RedisHttpSessionConfiguration.java:251) ~[spring-session-1.3.0.RELEASE.jar:na]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    ... 16 common frames omitted
Caused by: com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events
    at com.lambdaworks.redis.protocol.AsyncCommand.completeResult(AsyncCommand.java:100) ~[lettuce-4.3.1.Final.jar:na]
    at com.lambdaworks.redis.protocol.AsyncCommand.complete(AsyncCommand.java:90) ~[lettuce-4.3.1.Final.jar:na]
    at com.lambdaworks.redis.protocol.CommandHandler.decode(CommandHandler.java:225) ~[lettuce-4.3.1.Final.jar:na]
    at com.lambdaworks.redis.protocol.CommandHandler.channelRead(CommandHandler.java:199) ~[lettuce-4.3.1.Final.jar:na]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:351) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:351) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:351) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:129) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:651) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:574) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:488) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:450) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:873) ~[netty-common-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) ~[netty-common-4.1.6.Final.jar:4.1.6.Final]
    at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_25]Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2017-08-08 11:41:31.068 ERROR 8448 --- [           main] o.s.boot.SpringApplication               : Application startup failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'enableRedisKeyspaceNotificationsInitializer' defined in class path resource [org/springframework/session/data/redis/config/annotation/web/http/RedisHttpSessionConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107) [spring-boot-1.5.4.RELEASE.jar:1.5.4.RELEASE]
    at com.bookstore.BookstoreAngularApplication.main(BookstoreAngularApplication.java:26) [classes/:na]
Caused by: org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events
    at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:50) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:48) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceExceptionConverter.convert(LettuceExceptionConverter.java:41) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.PassThroughExceptionTranslationStrategy.translate(PassThroughExceptionTranslationStrategy.java:37) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:37) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:330) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.data.redis.connection.lettuce.LettuceConnection.setConfig(LettuceConnection.java:738) ~[spring-data-redis-1.8.4.RELEASE.jar:na]
    at org.springframework.session.data.redis.config.ConfigureNotifyKeyspaceEventsAction.configure(ConfigureNotifyKeyspaceEventsAction.java:68) ~[spring-session-1.3.0.RELEASE.jar:na]
    at org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration$EnableRedisKeyspaceNotificationsInitializer.afterPropertiesSet(RedisHttpSessionConfiguration.java:251) ~[spring-session-1.3.0.RELEASE.jar:na]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624) ~[spring-beans-4.3.9.RELEASE.jar:4.3.9.RELEASE]
    ... 16 common frames omitted
Caused by: com.lambdaworks.redis.RedisCommandExecutionException: ERR Unsupported CONFIG parameter: notify-keyspace-events
    at com.lambdaworks.redis.protocol.AsyncCommand.completeResult(AsyncCommand.java:100) ~[lettuce-4.3.1.Final.jar:na]
    at com.lambdaworks.redis.protocol.AsyncCommand.complete(AsyncCommand.java:90) ~[lettuce-4.3.1.Final.jar:na]
    at com.lambdaworks.redis.protocol.CommandHandler.decode(CommandHandler.java:225) ~[lettuce-4.3.1.Final.jar:na]
    at com.lambdaworks.redis.protocol.CommandHandler.channelRead(CommandHandler.java:199) ~[lettuce-4.3.1.Final.jar:na]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:351) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:351) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:351) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:373) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:359) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:129) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:651) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:574) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:488) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:450) ~[netty-transport-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:873) ~[netty-common-4.1.6.Final.jar:4.1.6.Final]
    at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) ~[netty-common-4.1.6.Final.jar:4.1.6.Final]
    at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_25]

    that was the error i received when i'm trying to run the springboot app.

    my LettuceConnection bean is:

     @EnableRedisHttpSession
public class HttpSessionConfig {
    @Bean
    public LettuceConnectionFactory connectionFactory() {
        return new LettuceConnectionFactory();
    }
}

    my http session strategy bean:

    @Bean
    public HttpSessionStrategy httpSessionStrategy(){

        return new HeaderHttpSessionStrategy() ;
    }

    my related dependencies in pom.xml are:

            <dependency>
            <groupId>org.springframework.session</groupId>
            <artifactId>spring-session-data-redis</artifactId>
            <version>1.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>biz.paluch.redis</groupId>
            <artifactId>lettuce</artifactId>
            <version>4.3.1.Final</version>
        </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>

    amy help would be very appreciated!!

    • Jens
      Jens over 6 years
      Add the complete stacktrace

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