Tomcat installation fails.

Tomcat installation fails. -- Linux general technology-Linux technology and application information. For details, refer to the following section. Tomcat installation fails.
I have installed tomcat and started it successfully. But I cannot open http: // localhost: 8080, prompting that the host cannot be connected.
When shoutdown tomcat, the following error occurs:
Using CATALINA_BASE:/server/tomcat-4.1
Using CATALINA_HOME:/server/tomcat-4.1
Using CATALINA_TMPDIR:/server/tomcat-4.1/temp
Using JAVA_HOME:/opt/jdk
Catalina. stop: java.net. ConnectException: Connection refused
Java.net. ConnectException: Connection refused
At java.net. PlainSocketImpl. socketConnect (Native Method)
At java.net. PlainSocketImpl. doConnect (PlainSocketImpl. java: 333)
At java.net. PlainSocketImpl. connectToAddress (PlainSocketImpl. java: 195)
At java.net. PlainSocketImpl. connect (PlainSocketImpl. java: 182)
At java.net. SocksSocketImpl. connect (SocksSocketImpl. java: 366)
At java.net. Socket. connect (Socket. java: 507)
At java.net. Socket. connect (Socket. java: 457)
At java.net. Socket. (Socket. java: 365)
At java.net. Socket. (Socket. java: 178)
At org. apache. catalina. startup. Catalina. stop (Catalina. java: 532)
At org.apache.catalina.startup.Catalina.exe cute (Catalina. java: 352)
At org. apache. catalina. startup. Catalina. process (Catalina. java: 129)
At sun. reflect. NativeMethodAccessorImpl. invoke0 (Native Method)
At sun. reflect. NativeMethodAccessorImpl. invoke (NativeMethodAccessorImpl. java: 39)
At sun. reflect. DelegatingMethodAccessorImpl. invoke (DelegatingMethodAccessorImpl. java: 25)
At java. lang. reflect. Method. invoke (Method. java: 585)
At org. apache. catalina. startup. Bootstrap. main (Bootstrap. java: 156)
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I am a newbie. Please give me some advice.

Urgent. Wait !!!!!!!!