tomcat 启动报空指针 NullPointer

Tomcat启动报错：

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)

 报这个错误时，删掉tomcat，重新安装一个

原文：https://www.cnblogs.com/awomanofsin/p/10911310.html