31-Aug-2018 13:54:53.818 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["ajp-nio-8009"]
31-Aug-2018 13:54:53.818 SEVERE [main] org.apache.coyote.AbstractProtocol.destroy Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8009"]
 java.lang.NullPointerException
        at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:315)
        at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:491)
        at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:896)
        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:645)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)

tomcat无法启动，这是catalina.out里面的最后日志信息   麻烦您了