[jboss-jira] [JBoss JIRA] (WFLY-1450) NPE when add ejb3/cache

NPE when add ejb3/cache ----------------------- Key: WFLY-1450 URL: https://issues.jboss.org/browse/WFLY-1450 Project: WildFly Issue Type: Bug Components: EJB Reporter: 金沢 栄治 Assignee: jaikiran pai Priority: Minor In EAP 6.1.0, NPE happens when I add ejb3/cache using the following cli: ./subsystem=ejb3/cache=my-cache:add(passivation-store=infinispan) with the next outputs. ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 1) JBAS014612: Operation ("add") failed - address: ([ ("subsystem" => "ejb3"), ("cache" => "my-cache") ]): java.lang.NullPointerException at java.util.HashSet.<init>(HashSet.java:116) [rt.jar:1.6.0_24] at org.jboss.as.ejb3.subsystem.CacheFactoryAdd.installRuntimeServices(CacheFactoryAdd.java:83) at org.jboss.as.ejb3.subsystem.CacheFactoryAdd.performRuntime(CacheFactoryAdd.java:74) at org.jboss.as.controller.AbstractAddStepHandler$1.execute(AbstractAddStepHandler.java:50) [jboss-as-controller-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8] at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:440) [jboss-as-controller-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8] When I add the aliases attribute, it becomes OK, but aliases attribute is nillable, it should ok without the aliases attribute. And it's OK in EAP 6.0.1 withoutthe aliases attribute. So I did some research, and it turned out the StringListAttributeDefinition#unwrap will return null when the attribute is not defined. I also believe there are more subsystems have the same problem other than the ejb3/cache.