Building Hibernate Session Factory in EAP 6.2.0 shuts down datasources.

Issue

We encounter a problem, the hibernate web application can't service.
The root cause is the Data Source were be force shutdown.
I don't know why the data source not service automatically.

Here is the log snippet:

01:12:21,305 [http-127.0.0.1/127.0.0.1:8080-1] INFO org.hibernate.cfg.SettingsFactory - Check Nullability in Core (should be disabled when Bean Validation is on): enabled 01:12:21,325 [http-127.0.0.1/127.0.0.1:8080-1] INFO org.hibernate.impl.SessionFactoryImpl - building session factory 
01:12:21,420 [http-127.0.0.1/127.0.0.1:8080-1] INFO org.hibernate.impl.SessionFactoryObjectFactory - Factory name:  
01:12:21,420 [http-127.0.0.1/127.0.0.1:8080-1] INFO org.hibernate.util.NamingHelper - JNDI InitialContext properties:{} 
01:12:21,425 INFO  [org.jboss.as.connector.subsystems.datasources] (MSC service thread 1-5) JBAS010409: Unbound data source [java:jboss/datasources/fotaDataSource]