[TopLink Info]: 2013.03.07 11:04:10.258--ServerSession(988804)--file:/c:/Users/siegfried/Documents/WinOOP/groovy/ORM-GuestbookPUTopLinkMSSQL login successful
Caught: java.lang.AbstractMethodError: oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerImpl.createQuery(Ljava/lang/String;Ljava/lang/Class;)Ljavax/persistence/TypedQuery
The error suggests a problem with the sql query.