[2019-02-19T16:37:19,964][INFO ][o.e.m.j.JvmGcMonitorService] [prod3] [gc][12197] overhead, spent [268ms] collecting in the last [1s]
[2019-02-19T16:47:06,524][WARN ][i.n.b.ServerBootstrap    ] [prod3] Failed to register an accepted channel: [id: 0xc5da2913, L:0.0.0.0/0.0.0.0:9400]
java.lang.NullPointerException: null
	at sun.nio.ch.EPollArrayWrapper.isEventsHighKilled(EPollArrayWrapper.java:174) ~[?:?]
	at sun.nio.ch.EPollArrayWrapper.setUpdateEvents(EPollArrayWrapper.java:190) ~[?:?]
	at sun.nio.ch.EPollArrayWrapper.add(EPollArrayWrapper.java:239) ~[?:?]
	at sun.nio.ch.EPollSelectorImpl.implRegister(EPollSelectorImpl.java:178) ~[?:?]
	at sun.nio.ch.SelectorImpl.register(SelectorImpl.java:132) ~[?:?]
	at java.nio.channels.spi.AbstractSelectableChannel.register(AbstractSelectableChannel.java:212) ~[?:1.8.0_191]
	at io.netty.channel.nio.AbstractNioChannel.doRegister(AbstractNioChannel.java:386) ~[netty-transport-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:504) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:423) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:482) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) [netty-common-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897) [netty-common-4.1.30.Final.jar:4.1.30.Final]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]