tomcat exception

[ramtel2003sunda]

hi all

i am final year mca student, in my project tomcat 5.5.4 is

used , if i run the servlet using http://localhost:8080/Generate

the following Exception is Display. pleace help me.

Operating System REDHAT Linux 8.
JDK1.5
Tomcat 5.5.4

SEVERE: Servlet.service() for servlet Generate threw exception
java.lang.NoClassDefFoundError: org/apache/xalan/xslt/XSLTProcessorFactory
at Generate.service(Generate.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.jav a:731)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)

[vassilisa]

Make sure that you have the relevant .jar file and
you need the .jar files in your classpath when you compile and run.

i believe u are looking for xalan.jar. If u haven't got the .jar file, u can get it from http://xml.apache.org/mirrors.cgi