4.0.0 org.drools.solver drools-solver 5.0.0.SNAPSHOT drools-solver-core jar Drools :: Solver core Drools solver core ... TODO org.drools drools-core org.drools drools-compiler commons-lang commons-lang org.apache.commons commons-io org.slf4j slf4j-api org.slf4j slf4j-log4j12 test log4j log4j test com.thoughtworks.xstream xstream