please solve this error HTTP-500 internal error

hi,

i am using tomcat 5.0 while running the jsp i am getting the internal error as follows.

HTTP Status 500 -

--

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Wrapper cannot find servlet class HelloWorldExample or a class it depends on

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)

org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:211)

org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:805)

org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:696)

org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)

org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)

java.lang.Thread.run(Thread.java:534)

root cause

java.lang.ClassNotFoundException: HelloWorldExample

org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1366)

org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1213)

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)

org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:211)

org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:805)

org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:696)

org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)

org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)

java.lang.Thread.run(Thread.java:534)

note The full stack trace of the root cause is available in the Tomcat logs.

--

Apache Tomcat/5.0.16

please solve this as soon as possible

[1983 byte] By [sreedhar.vlsi@gmail.coma] at [2007-11-27 9:44:19]
# 1
java.lang.ClassNotFoundException: HelloWorldExampleHere is the root cause. Doublecheck your web.xml if the servlet is definied correctly, including package names.
BalusCa at 2007-7-12 23:51:06 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...