ojdbc6
is not available in maven repository, install it locally. This is required even if with scope provided
.
mvn install:install-file -Dfile={Path/to/your/ojdbc.jar} -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0.3 -Dpackaging=jar
More: How To Add Oracle JDBC Driver In Your Maven Local Repository