setChildItem(DomainModel.SYSTEM_INFORMATION, createChildItem(getDefaultSystemInformation()));
setChild(KnowledgeModel.SYSTEM_INFORMATION, createChild(getDefaultSystemInformation()));
    public void initialize() throws Exception {        super.initialize();        Configuration c = (Configuration) getChildItem(DomainModel.CONFIGURATION);        if (c != null) {            setChildItem(DomainModel.SYSTEM_INFORMATION, createChildItem(getDefaultSystemInformation()));        } else {            throw new Exception("Could not initialize domain model. The configuration is null.");        }    }