JBoss marshalling fail if java.util.concurrent.PriorityBlockingQueue is used in custom objects which need to be serialized in EAP

Issue

• java.util.concurrent.PriorityBlockingQueue implements Serializable from the API but if object should be serialized for an EAP application it throws a NullPointerException with the cause like below.

ERROR [stderr] (EJB default - 2) Caused by: java.lang.NullPointerException
ERROR [stderr] (EJB default - 2)    at java.util.concurrent.PriorityBlockingQueue.readObject(PriorityBlockingQueue.java:943)
ERROR [stderr] (EJB default - 2)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
ERROR [stderr] (EJB default - 2)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
ERROR [stderr] (EJB default - 2)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
ERROR [stderr] (EJB default - 2)    at java.lang.reflect.Method.invoke(Method.java:498)
ERROR [stderr] (EJB default - 2)    at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:307)