Hello, I have this error: ---- Debugging information ---- message : inheritedSolverBenchmark : inheritedSolverBenchmark cause-exception : com.thoughtworks.xstream.mapper.CannotResolveClassException cause-message : inheritedSolverBenchmark : inheritedSolverBenchmark class : org.drools.planner.benchmark.SolverBenchmarkSuite required-type : org.drools.planner.benchmark.SolverBenchmarkSuite line number : 6 I would like to know if this is because file <unsolvedSolutionFile> is not .xml format -- View this message in context: http://drools.46999.n3.nabble.com/com-thoughtworks-xstream-converters-Con... Sent from the Drools: User forum mailing list archive at Nabble.com.