Java EE (Java Enterprise Edition) General Discussion

Hi,
I am using tomcat container for jsp pages. The problem is that the moment I start tomcat I get following error. I did not even go to browser and has not even loaded any jsp page. this is just initial tomcat startup error. What could be the reason?

Catalina.start: LifecycleException:  Context startup failed due to previous errors
LifecycleException:  Context startup failed due to previous errors
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:3578)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:707)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:316)
	at org.apache.catalina.core.StandardService.start(StandardService.java:450)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:2143)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:463)
	at org.apache.catalina.startup.Catalina.execute(Catalina.java:350)
	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:324)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)
Stopping service Tomcat-Standalone
Catalina.stop: LifecycleException:  Coyote connector has not been started
LifecycleException:  Coyote connector has not been started
	at org.apache.coyote.tomcat4.CoyoteConnector.stop(CoyoteConnector.java:1296)
	at org.apache.catalina.core.StandardService.stop(StandardService.java:499)
	at org.apache.catalina.core.StandardServer.stop(StandardServer.java:2178)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:494)
	at org.apache.catalina.startup.Catalina.execute(Catalina.java:350)
	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:324)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)