Because the oracle for a fee, for copyright reasons maven repository is not available this jar download
The jar can download and install the package to a local warehouse
1. Download ojdbc6-11.2.0.jar package
2.cmd run:
mvn install:install-file -Dfile=C:\install\XXX\ojdbc6-11.2.0.1.0.jar -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0 -Dpackaging=jar
-Dfile = "XXXXX" is the location of your next ojdbc6-11.2.0.jar stored. The following screen represents a successful installation, you can normally introduced pom.xml