I have an application in Tomcat 5.0.30 that we are trying to get to use JDBC through JNDI.
I am trying to follow along with akarta-tomcat-5.0.30/webapps/tomcat-docs/jndi-datasource-examples-howto. html. I have setup the context.xml <Context debug="4" docBase="C:/Java/eclipse-europa/europa-workspace/bop-med/web" path="/bop-med" reloadable="true" workDir="work\Catalina\localhost\bop-med"> <Resource name="jdbc/medical" type="javax.sql.DataSource" password="password" driverClassName="com.ibm.db2.jcc.DB2Driver" maxIdle="2" maxWait="5000" validationQuery="select * from sysibm.SYSDUMMY1" username="user" url="jdbc:db2://server:50000/db" maxActive="4"/> </Context> And I have setup the web.xml with <resource-ref> <description>DB Connection</description> <res-ref-name>jdbc/medical</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> When I call the following code initCtx = new InitialContext(); Context envCtx = (Context) initCtx.lookup("java:comp/env"); DataSource ds = (DataSource) envCtx.lookup("jdbc/medical"); Connection conn = ds.getConnection(); System.out.println("DB Version : " + conn.getMetaData().getDatabaseMajorVersion()); conn.close(); I get the following error org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource .java:780) at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.ja va:540) at com.advtechgrp.web.servlet.TestConn.processRequest(TestConn.java:37) at com.advtechgrp.web.servlet.TestConn.doGet(TestConn.java:20) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java:214) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo ntext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5 20) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCon textValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv e.java:152) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo ntext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5 20) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java :137) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo ntext.java:104) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :118) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo ntext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5 20) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve. java:109) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo ntext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5 20) 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:79 9) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC onnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57 7) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool .java:684) at java.lang.Thread.run(Thread.java:534) Caused by: java.lang.NullPointerException at java.util.StringTokenizer.<init>(StringTokenizer.java:146) at com.ibm.db2.jcc.DB2Driver.acceptsURL(DB2Driver.java:245) at java.sql.DriverManager.getDriver(DriverManager.java:232) at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource .java:773) ... 29 more I have the DB2 jars in the common/lib Any suggestions? Thanks, Tom Henricksen Consultant Advanced Technologies Group, Inc. * Email: [EMAIL PROTECTED]