Deployment fails on WildFly 8.0.0.Final

16:26:29,313 INFO  [org.hibernate.tool.hbm2ddl.SchemaUpdate] (ServerService Thread Pool -- 6) HHH000232: Schema update complete
16:35:57,713 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-14) MSC000001: Failed to start service jboss.undertow.deployment.default-server.default-host./ag-push: org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./ag-push: Failed to start service
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904) [jboss-msc-1.2.0.Final.jar:1.2.0.Final]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]
	at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
	at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:216)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:86)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.start(UndertowDeploymentService.java:71)
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948) [jboss-msc-1.2.0.Final.jar:1.2.0.Final]
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881) [jboss-msc-1.2.0.Final.jar:1.2.0.Final]
	... 3 more
Caused by: java.lang.NullPointerException
	at org.jboss.aerogear.unifiedpush.keycloak.BootstrapListener.contextInitialized(BootstrapListener.java:40)
	at io.undertow.servlet.core.ApplicationListeners.contextInitialized(ApplicationListeners.java:173)
	at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:187)
	... 7 more

16:35:57,718 ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 1) JBAS014613: Operation ("deploy") failed - address: ([("deployment" => "ag-push.war")]) - failure description: {"JBAS014671: Failed services" => {"jboss.undertow.deployment.default-server.default-host./ag-push" => "org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./ag-push: Failed to start service
    Caused by: java.lang.RuntimeException: java.lang.NullPointerException
    Caused by: java.lang.NullPointerException"}}
16:35:57,749 INFO  [org.jboss.as.server] (DeploymentScanner-threads - 1) JBAS018559: Deployed "ag-push.war" (runtime-name : "ag-push.war")
16:35:57,749 INFO  [org.jboss.as.controller] (DeploymentScanner-threads - 1) JBAS014774: Service status report
JBAS014777:   Services which failed to start:      service jboss.undertow.deployment.default-server.default-host./ag-push: org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./ag-push: Failed to start service