Internal Error: File /WEB-INF/web.xml not found

[wson]

I can compile my J2ee program (Converter application)
i can deploy to server. But when i want to run in browser (web client) i got the following error ..
pls. if you have ideas let me know ..
A Servlet Exception Has Occurred
org.apache.jasper.JasperException: Unable to compile class for JSPD:\j2sdkee1.3\repository\masud\web\converter\_0002findex_jsp.java:145: Incompatible type for method. Explicit cast needed to convert java.lang.Throwable to java.lang.Exception.
if (pageContext != null) pageContext.handlePageException(t);
^
1 error
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:523)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary
My Log file shows the Error
-----------------------------------------------------------
StandardManager[]: Seeding random number generator class java.security.SecureRandom
StandardManager[]: Seeding of random number generator has been completed
ContextConfig[]: Missing application web.xml, using defaults only
ContextConfig[]: Added certificates -> request attribute Valve
StandardWrapper[ efault]: Loading container servlet default
default: init
StandardWrapper[:invoker]: Loading container servlet invoker
invoker: init
StandardWrapper[:jsp]: Using Jasper classloader for servlet jsp
jsp: init
Internal Error: File /WEB-INF/web.xml not found

StandardWrapper[:ssi]: Loading container servlet ssi
ssi: init