Question : Building jar with working source level

I have an app that I created in Netbeans 5.5.1 using JDK 1.6 and an Absolute Layout. The sourc level is 1.5.  I built the jar built it will now not run. I am really not very familiar will configurations for building jar files in Netbeans.
Thanks

Answer : Building jar with working source level

The driver needs to be in the classpath. Do you know which one it's referring to? If it's in a jar you can put it in the jre\lib\ext directory of your Java runtime