org.springframework.data.redis.RedisSystemException: Unknown redis exception; nested exception is ja

 org.springframework.data.redis.RedisSystemException: Unknown redis exception; nested exception is java.util.concurrent.RejectedExecutionException: event executor terminated

一段时间一直报这个错，然后就好了，求大佬解惑！！

有一篇文章 可参考：https://stackoverflow.com/questions/54403451/lettuce-rediscache-throws-java-util-concurrent-rejectedexecutionexception-thread

https://blog.csdn.net/weixin_34113237/article/details/85866612

[2020-03-27 14:21:30][ERROR]com.social.common.lock.LockAspect:80 AOP-LOCK-TIMEOUT: JD_INVOICE_STATUS_SYNC_LOCK -> 30
[2020-03-27 14:22:44][ERROR]com.sandy.order.job.JDInvoiceStatusUpdateJob:30 TASK-FOR-JD-INVOICE-STATUS_UPDATE END!!!!
[2020-03-27 14:22:44][ERROR]com.sandy.order.job.BargainStatusUpdateJob:36 TASK-FOR-BARGAIN-STOCK-RETURN START!!!! {}
[2020-03-27 14:22:44][ERROR]com.sandy.order.job.BargainStatusUpdateJob:38 TASK-FOR-BARGAIN-STOCK-RETURN END!!!!
[2020-03-27 14:22:44][ERROR]com.sandy.order.OrderApplication$AuthInterceptor:345 FILTER-LOG E: null
org.springframework.data.redis.RedisSystemException: Unknown redis exception; nested exception is java.util.concurrent.RejectedExecutionException: event executor terminated
        at org.springframework.data.redis.FallbackExceptionTranslationStrategy.getFallback(FallbackExceptionTranslationStrategy.java:53)
        at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:43)
        at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:268)
        at org.springframework.data.redis.connection.lettuce.LettuceConnection.publish(LettuceConnection.java:767)
        at org.springframework.data.redis.core.RedisTemplate.lambda$convertAndSend$10(RedisTemplate.java:836)
        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.RedisTemplate.convertAndSend(RedisTemplate.java:835)
        at com.social.common.util.redis.RedisUtil.sendMsg(RedisUtil.java:288)
        at com.social.common.auth.core.AbstractAuthInterceptor.doLog(AbstractAuthInterceptor.java:431)
        at com.social.common.auth.core.AbstractAuthInterceptor$1.run(AbstractAuthInterceptor.java:343)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.util.concurrent.RejectedExecutionException: event executor terminated
        at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:855)
        at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:340)
        at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:333)
        at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:766)
        at io.netty.util.concurrent.AbstractScheduledEventExecutor.schedule(AbstractScheduledEventExecutor.java:232)
        at io.netty.util.concurrent.AbstractScheduledEventExecutor.schedule(AbstractScheduledEventExecutor.java:155)
        at io.netty.util.concurrent.AbstractEventExecutorGroup.schedule(AbstractEventExecutorGroup.java:50)
        at io.netty.util.concurrent.AbstractEventExecutorGroup.schedule(AbstractEventExecutorGroup.java:32)
        at io.lettuce.core.protocol.CommandExpiryWriter.potentiallyExpire(CommandExpiryWriter.java:164)
        at io.lettuce.core.protocol.CommandExpiryWriter.write(CommandExpiryWriter.java:111)
        at io.lettuce.core.RedisChannelHandler.dispatch(RedisChannelHandler.java:187)
        at io.lettuce.core.StatefulRedisConnectionImpl.dispatch(StatefulRedisConnectionImpl.java:152)
        at io.lettuce.core.AbstractRedisAsyncCommands.dispatch(AbstractRedisAsyncCommands.java:467)
        at io.lettuce.core.AbstractRedisAsyncCommands.publish(AbstractRedisAsyncCommands.java:1009)
        at jdk.internal.reflect.GeneratedMethodAccessor151.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at io.lettuce.core.FutureSyncInvocationHandler.handleInvocation(FutureSyncInvocationHandler.java:57)
        at io.lettuce.core.internal.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:80)
        at com.sun.proxy.$Proxy296.publish(Unknown Source)
        at org.springframework.data.redis.connection.lettuce.LettuceConnection.publish(LettuceConnection.java:765)
        ... 10 common frames omitted
[2020-03-27 14:22:44][ERROR]com.sandy.order.OrderApplication$AuthInterceptor:473 EXCEPTION-HANDLER:e2a07e6d-931b-43d2-9e30-3f21f20d897c
org.springframework.data.redis.RedisSystemException: Unknown redis exception; nested exception is java.util.concurrent.RejectedExecutionException: event executor terminated
        at org.springframework.data.redis.FallbackExceptionTranslationStrategy.getFallback(FallbackExceptionTranslationStrategy.java:53)
        at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:43)
        at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:268)
        at org.springframework.data.redis.connection.lettuce.LettuceHashCommands.convertLettuceAccessException(LettuceHashCommands.java:471)
        at org.springframework.data.redis.connection.lettuce.LettuceHashCommands.hGet(LettuceHashCommands.java:172)
        at org.springframework.data.redis.connection.DefaultedRedisConnection.hGet(DefaultedRedisConnection.java:926)
        at org.springframework.data.redis.core.DefaultHashOperations.lambda$get$0(DefaultHashOperations.java:53)
        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.DefaultHashOperations.get(DefaultHashOperations.java:53)
        at com.social.common.util.redis.RedisUtil.hash(RedisUtil.java:247)
        at com.sandy.order.order.service.goods.impl.GoodsServiceImpl.getGoodsServiceByGoodsId(GoodsServiceImpl.java:303)
        at com.sandy.order.order.service.main.impl.OrderQueryServiceImpl.loadGoodsForDetail(OrderQueryServiceImpl.java:382)
        at com.sandy.order.order.service.main.impl.OrderQueryServiceImpl.queryOrderDetailsByOrderSn(OrderQueryServiceImpl.java:289)
        at com.sandy.order.order.controller.OrderOfMemberController.detail(OrderOfMemberController.java:560)
        at jdk.internal.reflect.GeneratedMethodAccessor738.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:645)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
        at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
        at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132)
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
        at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
        at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
        at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
        at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
        at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
        at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
        at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1871)
        at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1451)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.util.concurrent.RejectedExecutionException: event executor terminated
        at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:855)
        at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:340)
        at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:333)
        at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:766)
        at io.netty.util.concurrent.AbstractScheduledEventExecutor.schedule(AbstractScheduledEventExecutor.java:232)
        at io.netty.util.concurrent.AbstractScheduledEventExecutor.schedule(AbstractScheduledEventExecutor.java:155)
        at io.netty.util.concurrent.AbstractEventExecutorGroup.schedule(AbstractEventExecutorGroup.java:50)
        at io.netty.util.concurrent.AbstractEventExecutorGroup.schedule(AbstractEventExecutorGroup.java:32)
        at io.lettuce.core.protocol.CommandExpiryWriter.potentiallyExpire(CommandExpiryWriter.java:164)
        at io.lettuce.core.protocol.CommandExpiryWriter.write(CommandExpiryWriter.java:111)
        at io.lettuce.core.RedisChannelHandler.dispatch(RedisChannelHandler.java:187)
        at io.lettuce.core.StatefulRedisConnectionImpl.dispatch(StatefulRedisConnectionImpl.java:152)
        at io.lettuce.core.AbstractRedisAsyncCommands.dispatch(AbstractRedisAsyncCommands.java:467)
        at io.lettuce.core.AbstractRedisAsyncCommands.hget(AbstractRedisAsyncCommands.java:675)
        at jdk.internal.reflect.GeneratedMethodAccessor123.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at io.lettuce.core.FutureSyncInvocationHandler.handleInvocation(FutureSyncInvocationHandler.java:57)
        at io.lettuce.core.internal.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:80)
        at com.sun.proxy.$Proxy296.hget(Unknown Source)
        at org.springframework.data.redis.connection.lettuce.LettuceHashCommands.hGet(LettuceHashCommands.java:170)
        ... 74 common frames omitted