Public singleton API is not binary compatible with WF10 ------------------------------------------------------- Key: WFLY-7630 URL: https://issues.jboss.org/browse/WFLY-7630 Project: WildFly Issue Type: Bug Components: Clustering Affects Versions: No Release Reporter: Paul Ferraro Assignee: Paul Ferraro Priority: Critical Fix For: 11.0.0.Alpha1 The public singleton API changed recently and is not binary compatible any more. The change was introduced by: https://github.com/jbossas/jboss-eap7/pull/907/files#diff-dac46a30e73e80f... [SingletonPolicy.java|https://github.com/jbossas/jboss-eap7/blob/7.x/clust...] has changed: Now: {code} <T> SingletonBuilder<T> createSingletonServiceBuilder(ServiceName name, Service<T> service); {code} Before: {code} <T> Builder<T> createSingletonServiceBuilder(ServiceName name, Service<T> service); {code} The change is source compatible, however not binary compatible. This results in NoSuchMethodError: {code} [JBossINF] [0m[31m02:26:32,982 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-1) MSC000001: Failed to start service jboss.deployment.unit."SStest-ejb-service-activator.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."SStest-ejb-service-activator.jar".INSTALL: WFLYSRV0153: Failed to process phase INSTALL of deployment "SStest-ejb-service-activator.jar" [JBossINF] at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:154) [JBossINF] at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1963) [JBossINF] at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1896) [JBossINF] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [JBossINF] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [JBossINF] at java.lang.Thread.run(Thread.java:745) [JBossINF] Caused by: java.lang.NoSuchMethodError: org.wildfly.clustering.singleton.SingletonPolicy.createSingletonServiceBuilder(Lorg/jboss/msc/service/ServiceName;Lorg/jboss/msc/service/Service;)Lorg/wildfly/clustering/service/Builder; [JBossINF] at org.jboss.test.singletonservice.SingletonActivator.activate(SingletonActivator.java:29) [JBossINF] at org.jboss.as.server.deployment.service.ServiceActivatorProcessor.deploy(ServiceActivatorProcessor.java:91) [JBossINF] at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:147) [JBossINF] ... 5 more {code} Link to the server log: http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/perflab_eap-7x-failov...