OSGI Singleton option should not be used ---------------------------------------- Key: DROOLS-58 URL: https://issues.jboss.org/browse/DROOLS-58 Project: Drools Issue Type: Bug Affects Versions: 6.0.0.Alpha9 Reporter: Charles Moulliard Assignee: Mario Fusco When we use this option in the METADATA of the Manifest for the BundleSymbolicName (singleton:=true), then we have problems to update some Drools bundles on Apache Karaf [ 329] [Active ] [ ] [ ] [ 80] KIE API (6.0.0.SNAPSHOT) karaf@root> update 329 Error executing command: Unresolved constraint in bundle org.kie.api [329]: Singleton conflict. I suggest to remove it. Modules impacted : All the OSGI Modules