Forgive me for asking the obvious question, but does your CLASSPATH include the pathname of any of your .jar file copies? Should be the full pathname, not just the path. ----- Original Message ----- From: Gonzo Programming <[EMAIL PROTECTED]> > 4a) I have renamed jdb7.0-1.1.jar to postgresql.jar and then copied that > .jar file into as many places as seems reasonable and not so reasonable(yes > I have copies all over the place at present), yet still get this error at > run time. > > H:\JavaLessons\ch18\fig18_24>java TableDisplayPG1 > Failed to load JDBC/ODBC driver. > java.lang.ClassNotFoundException: org.postgresql.Driver > at java.net.URLClassLoader$1.run(URLClassLoader.java:200) > and about 10 more lines of errors... ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])