我正在Windows Server 2008R2和Java 1.8.0_92上运行Tomcat 8.5.3。该过程消耗大量CPU（4个CPU中约占50％）。

JTop显示到目前为止，两个最消耗线程的线程是https-jsse-nio-443-ClientPoller-0和https-jsse-
nio-443-ClientPoller-1。

线程主要在这四个堆栈跟踪上循环：

sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:296)
sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:278)
sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:159)
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   - locked sun.nio.ch.Util$2@2a3e6629
   - locked java.util.Collections$UnmodifiableSet@7cdb1cd3
   - locked sun.nio.ch.WindowsSelectorImpl@13dc3a00
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:791)
java.lang.Thread.run(Thread.java:745)

。

sun.nio.ch.WindowsSelectorImpl$SubSelector.processFDSet(WindowsSelectorImpl.java:345)
sun.nio.ch.WindowsSelectorImpl$SubSelector.processSelectedKeys(WindowsSelectorImpl.java:315)
sun.nio.ch.WindowsSelectorImpl$SubSelector.access$2900(WindowsSelectorImpl.java:278)
sun.nio.ch.WindowsSelectorImpl.updateSelectedKeys(WindowsSelectorImpl.java:495)
sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:172)
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   - locked sun.nio.ch.Util$2@6f4350d0
   - locked java.util.Collections$UnmodifiableSet@36157c3f
   - locked sun.nio.ch.WindowsSelectorImpl@120cc3aa
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:791)
    java.lang.Thread.run(Thread.java:745)

。

sun.nio.ch.WindowsSelectorImpl.resetWakeupSocket0(Native Method)
sun.nio.ch.WindowsSelectorImpl.resetWakeupSocket(WindowsSelectorImpl.java:473)
   - locked java.lang.Object@450e5040
sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:174)
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   - locked sun.nio.ch.Util$2@6f4350d0
   - locked java.util.Collections$UnmodifiableSet@36157c3f
   - locked sun.nio.ch.WindowsSelectorImpl@120cc3aa
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:791)
java.lang.Thread.run(Thread.java:745)

。

java.lang.Object.notifyAll(Native Method)
sun.nio.ch.WindowsSelectorImpl$StartLock.startThreads(WindowsSelectorImpl.java:189)
   - locked sun.nio.ch.WindowsSelectorImpl$StartLock@1c512d03
sun.nio.ch.WindowsSelectorImpl$StartLock.access$300(WindowsSelectorImpl.java:181)
sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:153)
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   - locked sun.nio.ch.Util$2@2a3e6629
   - locked java.util.Collections$UnmodifiableSet@7cdb1cd3
   - locked sun.nio.ch.WindowsSelectorImpl@13dc3a00
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:791)
java.lang.Thread.run(Thread.java:745)

任何的想法 ？