System.out.println("createExperiment2: hier3");
exp.setExperimentSetup(expSetup);
//as the manager and the ExperimentImpl object are detached it is required to execute:
System.out.println("createExperiment2: manager.updateExperiment with ID: "+exp.getEntityID());
tbmanager.updateExperiment(exp);
System.out.println("createExperiment2: hier4");
return exp.getEntityID();
}