centos6 tomcat shutdown 异常

centos裸机上安装tomcat，start正常，shutdown时老是报异常：

Using CATALINA_BASE:   /data/app/apache-tomcat-7.0.55

Using CATALINA_HOME:   /data/app/apache-tomcat-7.0.55

Using CATALINA_TMPDIR: /data/app/apache-tomcat-7.0.55/temp

Using JRE_HOME:        /usr

Using CLASSPATH:       /data/app/apache-tomcat-7.0.55/bin/bootstrap.jar:/data/app/apache-tomcat-7.0.55/bin/tomcat-juli.jar

八月 20, 2014 3:48:42 下午 org.apache.catalina.startup.Catalina stopServer

严重: Could not contact localhost:8005. Tomcat may not be running.

八月 20, 2014 3:48:42 下午 org.apache.catalina.startup.Catalina stopServer

严重: Catalina.stop: 

java.net.ConnectException: 拒绝链接

at java.net.PlainSocketImpl.socketConnect(Native Method)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:579)

at java.net.Socket.connect(Socket.java:528)

at java.net.Socket.<init>(Socket.java:425)

at java.net.Socket.<init>(Socket.java:208)

at org.apache.catalina.startup.Catalina.stopServer(Catalina.java:498)

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

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at org.apache.catalina.startup.Bootstrap.stopServer(Bootstrap.java:370)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:457)

在网上找了n久，给的处理方法就是kill，可是这样若是咱们的应用中若是在destroy中有重要处理的话后果就会很严重

最终找到问题缘由：iptables 须要将8005端口打开，若是支持ipv6，ip6tables一样须要将8005端口打开。