tomcat 服务器报错，启动失败。

java.lang.NullPointerException

at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:316)

at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:492)

at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:883)

at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)

at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)

at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)

at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)

at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)

at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)

at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)

at org.apache.catalina.startup.Catalina.start(Catalina.java:633)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)

三月 21, 2017 9:41:55 上午 org.apache.coyote.AbstractProtocol destroy

信息: Destroying ProtocolHandler ["ajp-nio-8029"]

三月 21, 2017 9:41:55 上午 org.apache.coyote.AbstractProtocol destroy

严重: Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8029"]