centos6 tomcat shutdown 異常

centos裸機上安裝tomcat，start正常，shutdown時老是報異常：

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

嚴重: 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

嚴重: Catalina.stop: 

java.net.ConnectException: 拒絕鏈接

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)

在網上找了n久，給的處理方法就是kill，可是這樣若是咱們的應用中若是在destroy中有重要處理的話後果就會很嚴重

最終找到問題緣由：iptables 須要將8005端口打開，若是支持ipv6，ip6tables一樣須要將8005端口打開。