NPE executing domain operation

[ERROR] Request
[ERROR] {
[ERROR]     "operation" => "composite",
[ERROR]     "address" => [],
[ERROR]     "steps" => [
[ERROR]         {
[ERROR]             "address" => [("server-group" => "*")],
[ERROR]             "operation" => "read-resource-description",
[ERROR]             "access-control" => "trim-descriptions",
[ERROR]             "operations" => true
[ERROR]         },
[ERROR]         {
[ERROR]             "address" => [
[ERROR]                 ("host" => "master"),
[ERROR]                 ("server" => "*")
[ERROR]             ],
[ERROR]             "operation" => "read-resource-description",
[ERROR]             "access-control" => "trim-descriptions",
[ERROR]             "operations" => true
[ERROR]         },
[ERROR]         {
[ERROR]             "address" => [("extension" => "*")],
[ERROR]             "operation" => "read-resource-description",
[ERROR]             "access-control" => "trim-descriptions",
[ERROR]             "operations" => true
[ERROR]         }
[ERROR]     ],
[ERROR]     "operation-headers" => {"roles" => "OPERATOR"}
[ERROR] }

[Host Controller] 16:34:53,544 ERROR [org.jboss.as.controller.management-operation] (XNIO-1 task-12) JBAS014612: Operation ("composite") failed - address: ([]): java.lang.NullPointerException
[Host Controller]   at org.jboss.as.domain.controller.operations.coordination.HostControllerExecutionSupport$Factory.create(HostControllerExecutionSupport.java:167)
[Host Controller]   at org.jboss.as.domain.controller.operations.coordination.HostControllerExecutionSupport$Factory.create(HostControllerExecutionSupport.java:181)
[Host Controller]   at org.jboss.as.domain.controller.operations.coordination.OperationSlaveStepHandler.addSteps(OperationSlaveStepHandler.java:108)
[Host Controller]   at org.jboss.as.domain.controller.operations.coordination.OperationCoordinatorStepHandler.executeTwoPhaseOperation(OperationCoordinatorStepHandler.java:201)
[Host Controller]   at org.jboss.as.domain.controller.operations.coordination.OperationCoordinatorStepHandler.execute(OperationCoordinatorStepHandler.java:124)
[Host Controller]   at org.jboss.as.domain.controller.operations.coordination.PrepareStepHandler.execute(PrepareStepHandler.java:103)
[Host Controller]   at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:610) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.controller.AbstractOperationContext.doCompleteStep(AbstractOperationContext.java:488) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.controller.AbstractOperationContext.completeStepInternal(AbstractOperationContext.java:277) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:272) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:257) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:142) [wildfly-controller-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.domain.http.server.DomainApiHandler.handleRequest(DomainApiHandler.java:154) [wildfly-domain-http-interface-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.domain.http.server.security.SubjectDoAsHandler$2.run(SubjectDoAsHandler.java:96) [wildfly-domain-http-interface-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.domain.http.server.security.SubjectDoAsHandler$2.run(SubjectDoAsHandler.java:92) [wildfly-domain-http-interface-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.7.0_17]
[Host Controller]   at javax.security.auth.Subject.doAs(Subject.java:415) [rt.jar:1.7.0_17]
[Host Controller]   at org.jboss.as.domain.http.server.security.SubjectDoAsHandler.handleRequest(SubjectDoAsHandler.java:92) [wildfly-domain-http-interface-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at org.jboss.as.domain.http.server.security.SubjectDoAsHandler.handleRequest(SubjectDoAsHandler.java:86) [wildfly-domain-http-interface-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at io.undertow.server.handlers.BlockingHandler.handleRequest(BlockingHandler.java:50) [undertow-core-1.0.0.Beta12.jar:1.0.0.Beta12]
[Host Controller]   at org.jboss.as.domain.http.server.DomainApiCheckHandler.handleRequest(DomainApiCheckHandler.java:87) [wildfly-domain-http-interface-8.0.0.Beta1-SNAPSHOT.jar:8.0.0.Beta1-SNAPSHOT]
[Host Controller]   at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:52) [undertow-core-1.0.0.Beta12.jar:1.0.0.Beta12]
[Host Controller]   at io.undertow.server.HttpHandlers.executeRootHandler(HttpHandlers.java:36) [undertow-core-1.0.0.Beta12.jar:1.0.0.Beta12]
[Host Controller]   at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:614) [undertow-core-1.0.0.Beta12.jar:1.0.0.Beta12]
[Host Controller]   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_17]
[Host Controller]   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_17]
[Host Controller]   at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_17]
[Host Controller]