driver not found error in Tomcat 3.3.2

[Prasenjit Das]

Hi,
I am getting the following error when i am trying to run my application thru the tomcat server.
Error: 500
Location: /mtdc/mtdc/scrRegistration_new.jsp
Internal Servlet Error:
javax.servlet.ServletException: Cannot create bean of class ConnectionPool
at mtdc.scrRegistration_new_1._jspService(scrRegistration_new_1.java:93)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:78)
at javax.servlet.http.HttpServlet.service(HttpServlet.java)
at org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java:534)
at org.apache.tomcat.core.Handler.invoke(Handler.java:280)
at org.apache.tomcat.core.Handler.service(Handler.java:193)
at org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:445)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:874)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:790)
at org.apache.coyote.tomcat3.Tomcat3Adapter.service(Tomcat3Adapter.java:64)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:793)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:702)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:571)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:644)
at java.lang.Thread.run(Thread.java:484)
Root cause:
java.lang.ClassNotFoundException: class ConnectionPool : java.sql.SQLException: Can't find class for driver:
at java.beans.Beans.instantiate(Beans.java:211)
at java.beans.Beans.instantiate(Beans.java:51)
at mtdc.scrRegistration_new_1._jspService(scrRegistration_new_1.java:91)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:78)
at javax.servlet.http.HttpServlet.service(HttpServlet.java)
at org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java:534)
at org.apache.tomcat.core.Handler.invoke(Handler.java:280)
at org.apache.tomcat.core.Handler.service(Handler.java:193)
at org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:445)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:874)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:790)
at org.apache.coyote.tomcat3.Tomcat3Adapter.service(Tomcat3Adapter.java:64)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:793)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:702)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:571)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:644)
at java.lang.Thread.run(Thread.java:484)

I have added the classes12.zip in the lib folder of tomcat and i have also added it in the user classpath of the environment variables.
but it still gives the same problem.
the tomcat is successfully started i guess.
Please Help.
Regards,
Prasenjit

[Mike Curwen]

rename classes12.zip to classes12.jar