You didn't mention about your jdbc jar file in your post and maybe you should check where did you put the jar file. In addition, you may want to try a simple jsp to use driver manager to obtain a connection to see if your jdbc lib is loaded.
Cheers, Michael -----Original Message----- From: Tarek M. Nabil [mailto:[EMAIL PROTECTED] Sent: Thursday, June 12, 2003 10:57 AM To: Phillip Qin; Tomcat Users List Subject: RE: JNDI DataSource Hi Philip, I checked, and the URL thing is driver specific. For the driver I'm using, the format is "jdbc:as400:machineName" and that's what I'm using. The strange thing is the error message "Cannot load JDBC driver class 'null'". Why does Tomcat see the dirver as null, although I have specified it in the ResourceParams. Thanks, Tarek Nabil -----Original Message----- From: Phillip Qin [mailto:[EMAIL PROTECTED] Sent: Thursday, June 12, 2003 8:19 PM To: 'Tomcat Users List' Subject: RE: JNDI DataSource Replace your url with fully qualified url, in Oracle I use jdbc:oracle:thin:@myhost.myudomain.com:port:sid -----Original Message----- From: Tarek M. Nabil [mailto:[EMAIL PROTECTED] Sent: June 12, 2003 1:09 PM To: 'Tomcat Users List' (E-mail) Subject: JNDI DataSource Hi, I'm trying to setup a JDBC DataSource on Tomcat 4.1.24. I performed the steps in the documentation: 1- Added this part to the GlobalNamingResources section of the server.xml <Resource name="jdbc/as400" scope="Shareable" type="javax.sql.DataSource" auth="Container"/> <Resource name="UserDatabase" scope="Shareable" type="org.apache.catalina.UserDatabase" auth="Container" description="User database that can be updated and saved"/> <ResourceParams name="jdbc/as400"> <parameter> <name>maxWait</name> <value>5000</value> </parameter> <parameter> <name>maxActive</name> <value>8</value> </parameter> <parameter> <name>url</name> <value>jdbc:as400:AS400</value> </parameter> <parameter> <name>password</name> <value>access2k</value> </parameter> <parameter> <name>driverClassName</name> <value>com.ibm.as400.access.AS400JDBCDriver</value> </parameter> <parameter> <name>maxIdle</name> <value>4</value> </parameter> <parameter> <name>username</name> <value>DBA</value> </parameter> </ResourceParams> <ResourceParams name="UserDatabase"> <parameter> <name>factory</name> <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value> </parameter> <parameter> <name>pathname</name> <value>conf/tomcat-users.xml</value> </parameter> </ResourceParams> 2- I added this to my web.xml <resource-ref> <description> Resource reference to a factory for java.sql.Connection instances that talk to an AS400 database </description> <res-ref-name> jdbc/as400 </res-ref-name> <res-type> javax.sql.DataSource </res-type> <res-auth> Container </res-auth> </resource-ref> 3- I put this in a JSP <%@ page import="javax.naming.*, java.sql.*, javax.sql.*" %> <% Context initCtx = new InitialContext(); Context envCtx = (Context) initCtx.lookup("java:comp/env"); DataSource ds = (DataSource) envCtx.lookup("jdbc/as400"); Connection conn = ds.getConnection(); conn.close(); %> And Still, I get the following error when accessing the JSP type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: Cannot load JDBC driver class 'null' at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2 54) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:256) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:171) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne ction(Http11Protocol.java:392) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:619) at java.lang.Thread.run(Thread.java:484) root cause javax.servlet.ServletException: Cannot load JDBC driver class 'null' at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp l.java:536) at org.apache.jsp.test_jsp._jspService(test_jsp.java:61) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2 10) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:256) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:171) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne ction(Http11Protocol.java:392) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:619) at java.lang.Thread.run(Thread.java:484) ---------------------------------------------------------------------------- ---- Any help is appreciated. Thanks, Tarek M. Nabil --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
