Logstash Logging Warning

Elastic Stack Logstash
1

Hey there!

Anyone knows why I'm getting these warnings?

[2019-01-09T16:16:02,231][INFO ][org.logstash.beats.BeatsHandler] [local: 0.0.0.0:5044, remote: 172.18.213.2:42309] Handling exception: event executor terminated
[2019-01-09T16:16:02,231][WARN ][io.netty.channel.AbstractChannelHandlerContext] Failed to submit an exceptionCaught() event.
java.util.concurrent.RejectedExecutionException: event executor terminated
    at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:821) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:327) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:320) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:746) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:267) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:256) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:131) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at org.logstash.beats.BeatsHandler.exceptionCaught(BeatsHandler.java:91) [logstash-input-beats-5.1.6.jar:?]
    at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:285) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.notifyHandlerException(AbstractChannelHandlerContext.java:850) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:183) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:167) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:160) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.ChannelInboundHandlerAdapter.channelUnregistered(ChannelInboundHandlerAdapter.java:53) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:181) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext.access$100(AbstractChannelHandlerContext.java:38) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.channel.AbstractChannelHandlerContext$2.run(AbstractChannelHandlerContext.java:172) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasksFrom(SingleThreadEventExecutor.java:379) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:354) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.confirmShutdown(SingleThreadEventExecutor.java:678) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:70) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.18.Final.jar:4.1.18.Final]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
2 
[2019-01-09T16:16:02,232][WARN ][io.netty.channel.AbstractChannelHandlerContext] The exceptionCaught() event that was failed to submit was:
java.util.concurrent.RejectedExecutionException: event executor terminated
        at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:821) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:327) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:320) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:746) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:169) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:160) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelUnregistered(ChannelInboundHandlerAdapter.java:53) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:181) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:167) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:160) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.ChannelInboundHandlerAdapter.channelUnregistered(ChannelInboundHandlerAdapter.java:53) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:181) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext.access$100(AbstractChannelHandlerContext.java:38) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.AbstractChannelHandlerContext$2.run(AbstractChannelHandlerContext.java:172) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasksFrom(SingleThreadEventExecutor.java:379) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:354) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.confirmShutdown(SingleThreadEventExecutor.java:678) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:70) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
[2019-01-09T16:16:02,233][WARN ][io.netty.util.concurrent.AbstractEventExecutor] A task raised an exception. Task: io.netty.channel.DefaultChannelPipeline$8@5e94f5ff
java.util.concurrent.RejectedExecutionException: event executor terminated
        at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:821) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:327) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:320) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:746) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.DefaultChannelPipeline.destroyDown(DefaultChannelPipeline.java:895) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.DefaultChannelPipeline.destroyUp(DefaultChannelPipeline.java:858) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.DefaultChannelPipeline.access$200(DefaultChannelPipeline.java:46) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.channel.DefaultChannelPipeline$8.run(DefaultChannelPipeline.java:868) ~[netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasksFrom(SingleThreadEventExecutor.java:379) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:354) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor.confirmShutdown(SingleThreadEventExecutor.java:678) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:70) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.18.Final.jar:4.1.18.Final]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
3

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