improve error message when rule name is duplicated in spread sheet ------------------------------------------------------------------ Key: DROOLS-1095 URL: https://issues.jboss.org/browse/DROOLS-1095 Project: Drools Issue Type: Enhancement Affects Versions: 6.4.0.CR1 Environment: BxMS 6.2.x Reporter: Hiroko Miura Attachments: DuplicateRuleNameError.png Customer has many decision tables(XLS) with many rules in their project. When uploading new/modified decision tables, sometimes conflict with rule name with existing one by mistake and then incremental build fails with the following error. 15:05:29,461 ERROR [org.drools.compiler.kie.builder.impl.AbstractKieModule] (EJB default - 5) Unable to build KieBaseModel:defaultKieBase [5,0]: Duplicate rule name: HelloWorld_11 [15,0]: Duplicate rule name: HelloWorld_12 According to message shown in business central, user can know which xls file has this duplicate rule name but hard to know the other file which conflicts with this file. Customer requested to improve this error message by reporting the file name which conflicts the rule name.