Event executor terminated after long idle time

[Lxeon]

here is log

io.netty.channel.AbstractChannel$AbstractUnsafe register

Force-closing a channel whose registration task was not accepted by an event loop: [id: 0x2e7bf5b0]

java.util.concurrent.RejectedExecutionException: event executor terminated
at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:934)
at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:351)
at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:344)
at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:836)
at io.netty.util.concurrent.SingleThreadEventExecutor.execute0(SingleThreadEventExecutor.java:827)
at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:817)
at io.netty.channel.AbstractChannel$AbstractUnsafe.register(AbstractChannel.java:483)
at io.netty.channel.SingleThreadEventLoop.register(SingleThreadEventLoop.java:89)
at io.netty.channel.SingleThreadEventLoop.register(SingleThreadEventLoop.java:83)
at io.netty.channel.MultithreadEventLoopGroup.register(MultithreadEventLoopGroup.java:86)
at io.netty.bootstrap.AbstractBootstrap.initAndRegister(AbstractBootstrap.java:339)
at io.netty.bootstrap.Bootstrap.doResolveAndConnect(Bootstrap.java:164)
at io.netty.bootstrap.Bootstrap.connect(Bootstrap.java:125)
at com.ibasco.agql.core.transport.UdpNettyChannelFactory.newChannel(UdpNettyChannelFactory.java:75)
at com.ibasco.agql.core.transport.AbstractNettyChannelFactory.create(AbstractNettyChannelFactory.java:234)
at com.ibasco.agql.core.transport.NettyChannelFactoryDecorator.create(NettyChannelFactoryDecorator.java:55)
at com.ibasco.agql.core.transport.FailsafeChannelFactory.access$101(FailsafeChannelFactory.java:52)
at com.ibasco.agql.core.transport.FailsafeChannelFactory$ChannelSupplier.get(FailsafeChannelFactory.java:138)
at com.ibasco.agql.core.transport.FailsafeChannelFactory$ChannelSupplier.get(FailsafeChannelFactory.java:127)
at dev.failsafe.Functions.lambda$getPromiseOfStage$3(Functions.java:136)
at dev.failsafe.Functions.lambda$toAsync$6(Functions.java:198)
at io.netty.util.concurrent.PromiseTask.runTask(PromiseTask.java:96)
at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:153)
at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)
at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:153) [104/1879]
at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:416)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:1575)