While deploying my jpa project to wildfly server i am gettings following warning:

The collection of metamodel types is empty. 
Model classes may not have been found during entity 
search for Java SE and some Java EE container managed persistence units.  
Please verify that your entity classes are referenced in persistence.xml using 
either  elements or a global false element

My persistence xml looks like this

    
        org.eclipse.persistence.jpa.PersistenceProvider
        java:jboss/datasources/example
        false

        
            
            
            
            
            
        
            
            
            
            
        
    

My Database tables are not created due to this.

Please help me understand this problem. As i am not able to understand the root cause of this.