when checked "status of Single Sign On", throw NullPointerException

[env]
GlassFish 4.0
GlassFish 4.0.1 B04

[Operation]
1. create "Cluster" named by "cluster-001"

2. use GlassFish DAS:
a) selected [Configurations].[cluster-001-config].[availability-service].[web container availability]
b) when checked "status of Single Sign On", throw
java.lang.NullPointerException
at org.glassfish.admin.rest.resources.PropertiesBagResource.setParentAndTagName(PropertiesBagResource.java:265)
at org.glassfish.admin.rest.resources.generatedASM.WebContainerAvailabilityResource.getPropertiesBagResource(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)