WARNING: Failed to unregister MBean with name [Catalina:type=Connector,port=8084] during component destruction
javax.management.InstanceNotFoundException: Catalina:type=Connector,port=8084
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
at com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
at org.apache.catalina.util.LifecycleMBeanBase.unregister(LifecycleMBeanBase.java:194)
at org.apache.catalina.util.LifecycleMBeanBase.destroyInternal(LifecycleMBeanBase.java:73)
at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1061)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:579)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:848)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:779)
at org.apache.catalina.startup.Catalina.start(Catalina.java:740)
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:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428)
Java class name of the implementation to use. This class must implement the org.apache.catalina.Engine interface. If not specified, the standard value (defined below) will be used.
http://tomcat.apache.org/tomcat-7.0-doc/config/engine.html#Attributes
把端口号修改成8081, AJP 的端口号还是应用默认的，重启启动一下Tomcat，不行的话可能就是和环境有关系了，请再检查一下环境