You're sure the jar file with the driver is in a directory that the JSP servlet has in it's class library search path?
On Sun, Jul 27, 2008 at 11:46 PM, Chen Ding <[EMAIL PROTECTED]> wrote: > Hi There, > > I have been using 4.0.10 before and am trying to migrate to 4.1.1. But in > 4.1.1, it failed connecting to mysql. The same program, if I run 4.0.10, it > works just fine (i.e., being able to retrieve data from mysql), but if I run > 4.1.1, tomcat will generate the following error message. My understanding is > that if 4.0.10 runs, it means my tomcat and java configurations are correct. > The same configurations should work for 4.1.1. Your help is greatly > appreciated! > > Chen Ding > > > > > StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception > java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1340) > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189) > at > org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:148) > at > org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:69) > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:169) > at > org.apache.jsp.TorturerGUI.modules.object_005fretriever_jsp._jspService(object_005fretriever_jsp.java:58) > at > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) > at > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:298) > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292) > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) > 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.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) > at > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) > 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:619) > > > ________________________________ > Time for vacation? WIN what you need. Enter Now! -- Henry Minsky Software Architect [EMAIL PROTECTED]
