Drools core doesn't run on AWS lambda ------------------------------------- Key: DROOLS-2726 URL: https://issues.jboss.org/browse/DROOLS-2726 Project: Drools Issue Type: Feature Request Affects Versions: 7.7.0.Final Reporter: Adeela Huma Assignee: Geoffrey De Smet Priority: Major When running drools on AWS lambda they get this exception apparently: {code} java.lang.ExceptionInInitializerError: java.lang.ExceptionInInitializerError java.lang.ExceptionInInitializerError at org.kie.api.internal.utils.ServiceRegistry.getInstance(ServiceRegistry.java:27) ... Caused by: java.lang.RuntimeException: Child services [org.kie.api.internal.assembler.KieAssemblers] have no parent at org.kie.api.internal.utils.ServiceDiscoveryImpl.buildMap(ServiceDiscoveryImpl.java:191) at org.kie.api.internal.utils.ServiceDiscoveryImpl.getServices(ServiceDiscoveryImpl.java:97) ... {code} Reporting the bug from stack overflow discussion: https://stackoverflow.com/questions/51273121/optaplanner-with-aws-lambda