maven ear no libs included
Problem: even though you have the ear plugin configured with
<defaultJavaBundleDir>APP-INF/lib</defaultJavaBundleDir>
your libs still are not assembled into the ear file.
Probable solution: in my case it was the
<scope>prodived</scope>
for some of the dependencies that prevented the *.jar file from being added to the ear file. Solution is to change the scope (or leave the default one, than the libs will be included).