Why doesn't NetBeans IDE see the generated sources?

Question

I have a Maven-built web-app that uses JPA 2.0 at the back end. The JPA provider is EclipseLink 2.3.2.

When I build the project (and it deploys runs successfully) it bu

Answer 1

If you go to project properties/sources there is a note about this: you need to generate sources under

${basedir}/target/generated-sources/FOOBAR 

where FOOBAR is the name of your plugin.