Hi All, There is a JVM property for autoloading JDBC drivers from the classpath.
-Djdbc.drivers=<list of driver classes> Regards, William Louth JXInsight Product Architect JInspired "J2EE tuning, testing and tracing with JXInsight" http://www.jinspired.com --- Hugo <[EMAIL PROTECTED]> wrote: > Class.forName() > > greetings, > > Hugo > > ----- Original Message ----- > From: "Zumba" <[EMAIL PROTECTED]> > To: <JSP-INTEREST@JAVA.SUN.COM> > Sent: Tuesday, August 16, 2005 5:22 PM > Subject: JDBC Driver, Context & DataSource lookup > > > > I'm trying to connect to mysql database using > InitialContext and > > DataSource lookup but it not works on FreeBSD 5.4 > + tomcat 5.5 + jdk > > 1.5.0 + mysql-connector-java.jar (3.1.0) installed > from ports. The > > application seems that reads ok the JNDI Resources > variables but when I > > invoke dataSource.getConnection() I get the > message on SQLException: > > "Cannot create JDBC class for > 'com.mysql.jdbc.Driver'. The fact is if I > > use > DriverManager.getConnection("jdbc:mysql//localhost/mysql?params") > > without handle mysql-connector-java.jar and your > directories it > > (com.mysql.jdbc.Driver) works fine. > > > > ---- META-INF/context.xml: > > <?xml version="1.0" encoding="ISO-8859-1"?> > > <Context > > docBase="${catalina.home}/webapps/Grid" > > path="/Grid" > > reloadable="true"> > > <Resource > > name="jdbc/GridDB" > > type="javax.sql.DataSource" > > auth="Container" > > username="grid" > > password="abc123456" > > driverClassName="com.mysql.jdbc.Driver" > > > url="jdbc:mysql://localhost/griddb?autoReconnect=true"/> > > </Context> > > > > ---- the reference on WEB-INF/Web.xml: > > <resource-ref> > > > <res-ref-name>jdbc/GridDB</res-ref-name> > > > <res-type>javax.sql.DataSource</res-type> > > <res-auth>Container</res-auth> > > </resource-ref> > > > > ---- servlet code: > > Context initialContext = new InitialContext(); > > Context env = (Context) > initialContext.lookup("java:comp/env"); > > DataSource dataSource = (DataSource) > env.lookup("jdbc/GridDB"); > > connection = dataSource.getConnection(); > > > > Thanks, > > Zumba > > > > > =========================================================================== > > To unsubscribe: mailto [EMAIL PROTECTED] with > body: "signoff > JSP-INTEREST". > > For digest: mailto [EMAIL PROTECTED] with > body: "set JSP-INTEREST > DIGEST". > > > > Some relevant archives, FAQs and Forums on JSPs > can be found at: > > > > http://java.sun.com/products/jsp > > http://archives.java.sun.com/jsp-interest.html > > http://forums.java.sun.com > > http://www.jspinsider.com > > > > =========================================================================== > To unsubscribe: mailto [EMAIL PROTECTED] with > body: "signoff JSP-INTEREST". > For digest: mailto [EMAIL PROTECTED] with body: > "set JSP-INTEREST DIGEST". > > Some relevant archives, FAQs and Forums on JSPs can > be found at: > > http://java.sun.com/products/jsp > http://archives.java.sun.com/jsp-interest.html > http://forums.java.sun.com > http://www.jspinsider.com > > > =========================================================================== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com
