在CMD命令行中启动运行startup.bat，启运程序总是闪退，查看日志发现如下错误：
26-Jan-2016 18:12:34.463 SEVERE [main] org.apache.coyote.AbstractProtocol.init Failed to initialize end point associated with ProtocolHandler ["ajp-apr-8009"]
java.lang.Exception: Socket bind failed: [730013] An attempt was made to access a socket in a way forbidden by its access permissions.
at org.apache.tomcat.util.net.AprEndpoint.bind(AprEndpoint.java:471)
at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:737)
at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:457)
at org.apache.catalina.connector.Connector.initInternal(Connector.java:960)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardService.initInternal(StandardService.java:567)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:851)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.startup.Catalina.load(Catalina.java:576)
at org.apache.catalina.startup.Catalina.load(Catalina.java:599)
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:497)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:310)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:484)
仔细查了一遍，端口号也没有被占用。
网上查得：
原因:是端口已被占用.之前的tomcat进程没有被完全关闭掉.
避免方法:首先关闭tomcat再修改配置文件
解决方法:任务管理器或者kill杀死javaw进程重启tomcat即