JAVA项目运行cup占用率100%，使用explorer工具查询java.exe下的线程占用率过高（如图），谁帮助分析下？

Question

定位在如下的的日志上，请帮助分析。谢谢！

2019-06-26 14:34:07
"XNIO-1 Accept" #19 daemon prio=5 os_prio=0 tid=0x0000000058231000 nid=0x3ec runnable [0x000000005badf000]
java.lang.Thread.State: RUNNABLE
at java.lang.Object.notifyAll(Native Method)
at sun.nio.ch.WindowsSelectorImpl$StartLock.startThreads(WindowsSelectorImpl.java:189)
- locked (a sun.nio.ch.WindowsSelectorImpl$StartLock)
at sun.nio.ch.WindowsSelectorImpl$StartLock.access$300(WindowsSelectorImpl.java:181)
at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:153)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
- locked (a sun.nio.ch.Util$2)
- locked (a java.util.Collections$UnmodifiableSet)
- locked (a sun.nio.ch.WindowsSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:511)

Locked ownable synchronizers:
- None

"XNIO-1 I/O-1" #18 daemon prio=5 os_prio=0 tid=0x0000000054092800 nid=0xf54 runnable [0x000000005b85f000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:296)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:278)
at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:159)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
- locked (a sun.nio.ch.Util$2)
- locked (a java.util.Collections$UnmodifiableSet)
- locked (a sun.nio.ch.WindowsSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:511)

Locked ownable synchronizers:
- None

Answer 1

这不是死锁的问题吗，看一下程序有没有互相持有对方的锁不释放