MINA框架服务端，运行一段时间后会出现占用CPU很高问题，一直会高上去

Shenou_extjs 2017-10-27 10:39:28

用mina2.0.16版本跑了一个服务端，其他客户端通过web建立websocket连接与服务端通信，发现跑一段时间就会出现cpu占用很高，通过jstack出来看了下，发现是一个NioProcessor线程持续占用：
"NioProcessor-3" #55322 prio=5 os_prio=0 tid=0x0000000019990800 nid=0x494 runnable [0x000000001a95f000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.SocketDispatcher.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(Unknown Source)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(Unknown Source)
at sun.nio.ch.IOUtil.read(Unknown Source)
at sun.nio.ch.SocketChannelImpl.read(Unknown Source)
- locked <0x00000000805d82e8> (a java.lang.Object)
at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:317)
at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:45)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:683)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:659)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:648)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:68)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1120)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Locked ownable synchronizers:
- <0x00000000805d6d78> (a java.util.concurrent.ThreadPoolExecutor$Worker)
其他时间点会处于：
"NioProcessor-3" #55322 prio=5 os_prio=0 tid=0x0000000019990800 nid=0x494 runnable [0x000000001a95f000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked <0x000000008014a9a0> (a sun.nio.ch.Util$2)
- locked <0x000000008014a990> (a java.util.Collections$UnmodifiableSet)
- locked <0x000000008014a840> (a sun.nio.ch.WindowsSelectorImpl)
at sun.nio.ch.SelectorImpl.select(Unknown Source)
at org.apache.mina.transport.socket.nio.NioProcessor.select(NioProcessor.java:98)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1075)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Locked ownable synchronizers:
- <0x00000000805d6d78> (a java.util.concurrent.ThreadPoolExecutor$Worker)

请教一下这种问题有没有大神遇到过的，如何去定位解决这个问题？

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