WAR deployment fails due to NPE when both MBean and persistence-unit are packaged --------------------------------------------------------------------------------- Key: WFLY-12689 URL: https://issues.jboss.org/browse/WFLY-12689 Project: WildFly Issue Type: Bug Components: JMX, JPA / Hibernate, Server Affects Versions: 18.0.0.Final Reporter: Masafumi Miura Assignee: Masafumi Miura Priority: Major Labels: downstream_dependency Fix For: 19.0.0.Beta1 When a web application contains both MBean (jboss-service.xml) and persistence-unit (persistence.xml), the WAR deployment fails due to the following NullPointerException: {code} 11:51:03,041 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-3) MSC000001: Failed to start service jboss.deployment.unit."helloworld-mbean-webapp.war".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."helloworld-mbean-webapp.war".INSTALL: WFLYSRV0153: Failed to process phase INSTALL of deployment "helloworld-mbean-webapp.war" at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:183) at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739) at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701) at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559) at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35) at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486) at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NullPointerException at org.jboss.as.service.MBeanServices.<init>(MBeanServices.java:107) at org.jboss.as.service.ParsedServiceDeploymentProcessor.addServices(ParsedServiceDeploymentProcessor.java:124) at org.jboss.as.service.ParsedServiceDeploymentProcessor.deploy(ParsedServiceDeploymentProcessor.java:109) at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:176) ... 8 more ...(snip)... 11:51:03,687 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "helloworld-mbean-webapp.war")]) - failure description: { "WFLYCTL0080: Failed services" => {"jboss.deployment.unit.\"helloworld-mbean-webapp.war\".INSTALL" => "WFLYSRV0153: Failed to process phase INSTALL of deployment \"helloworld-mbean-webapp.war\" Caused by: java.lang.NullPointerException"}, "WFLYCTL0412: Required services that are not installed:" => [ "jboss.deployment.unit.\"helloworld-mbean-webapp.war\".WeldStartService", "jboss.deployment.unit.\"helloworld-mbean-webapp.war\".beanmanager" ], "WFLYCTL0180: Services with missing/unavailable dependencies" => [ "jboss.deployment.unit.\"helloworld-mbean-webapp.war\".weld.weldClassIntrospector is missing [jboss.deployment.unit.\"helloworld-mbean-webapp.war\".WeldStartService, jboss.deployment.unit.\"helloworld-mbean-webapp.war\".beanmanager]", "jboss.deployment.unit.\"helloworld-mbean-webapp.war\".batch.artifact.factory is missing [jboss.deployment.unit.\"helloworld-mbean-webapp.war\".beanmanager]" ] } {code} This NPE happens because [WebNonTxEmCloserAction#dependencies()|https://github.com/wildfly/wildfly/...] returns null. It should return Collections.emptySet() instead of null.