Hi, I have recently started working on Tomcat. I am currently using the following environment. OS -Win32 Web server - Apache Web Server. Adapter - mod_jk.dll ( I have copied it in the Apache's module directory and have updated its httpd.conf ) Tomcat -jakarta-tomcat-3.2-b8 I have set the environment variable as follows :- TOMCAT_HOME C:\JAKARTA-TOMCAT-3.2-B8 JAVA_HOME C:\JDK1.3 I am able to run Tomcat as well as Apache Web Server i.e., After Starting Tomcat :- 2000-11-29 06:47:20 - ContextManager: Adding context Ctx( /examples ) 2000-11-29 06:47:20 - ContextManager: Adding context Ctx( /admin ) Starting tomcat. Check logs/tomcat.log for error messages 2000-11-29 06:47:20 - ContextManager: Adding context Ctx( ) 2000-11-29 06:47:20 - ContextManager: Adding context Ctx( /test ) 2000-11-29 06:47:21 - PoolTcpConnector: Starting HttpConnectionHandler on 8080 2000-11-29 06:47:21 - PoolTcpConnector: Starting Ajp12ConnectionHandler on 8007 After starting Apache:- Apache/1.3.14 (Win32) mod_jk running... Now to check that I am able to execute some of the example JSP programs, I do the following http://localhost:8080/examples/jsp/num/numguess.jsp <http://localhost:8080/examples/jsp/num/numguess.jsp> following exception is thrown;- Error: 500 Location: /jsp/num/numguess.jsp Internal Servlet Error: java.lang.NoSuchMethodError at org.apache.tomcat.context.ExceptionHandler.doService(DefaultCMSetter.java:28 1) at org.apache.tomcat.core.Handler.service(Handler.java:286) at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) at org.apache.tomcat.core.ContextManager.handleError(ContextManager.java:1147) at org.apache.tomcat.core.Handler.service(Handler.java:311) at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79 7) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743) at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection (Ajp12ConnectionHandler.java:166) at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498) at java.lang.Thread.run(Thread.java:484) Please tell me where am I wrong and I will really appreciate it. Thanks in advance, Rajeev