props.setProperty("drools.dialect.java.compiler", "JANINO");
KnowledgeBuilderConfiguration config = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(props);
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory
.newKnowledgeBuilder(config);
DecisionTableConfiguration dtconf = KnowledgeBuilderFactory
.newDecisionTableConfiguration();
dtconf.setInputType(DecisionTableInputType.XLS);
dtconf.setWorksheetName("Tables");
kbuilder.add(ResourceFactory.newFileResource(ruleXls), ResourceType.DTABLE, dtconf);
// kbuilder.add(ResourceFactory.newClassPathResource("rule_export.xls", getClass()), ResourceType.DTABLE, dtconf);
if (kbuilder.hasErrors()) {
KnowledgeBuilderErrors errs = kbuilder.getErrors();