Drools does not work with spring-boot-devtools ---------------------------------------------- Key: DROOLS-1540 URL: https://issues.jboss.org/browse/DROOLS-1540 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 6.5.0.Final, 7.20.0.Final Reporter: G Xiong Assignee: Mario Fusco Priority: Critical Attachments: complete.zip Drools does work with spring-boot-devtools. If you add in pom.xml the following, no rules will be fired in Drools. <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> </dependency> if you comment out this, then rules will be fired in Drools.