java.lang.NullPointerException
at org.eclipse.jpt.jpa.core.internal.jpql.JpaJpqlQueryHelper.buildProblem(JpaJpqlQueryHelper.java:135)
at org.eclipse.jpt.jpa.core.internal.jpql.JpaJpqlQueryHelper.validate(JpaJpqlQueryHelper.java:232)
at org.jboss.tools.hibernate.jpt.core.internal.context.java.HibernateNamedQueryImpl.validateQuery_(HibernateNamedQueryImpl.java:38)
at org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaQuery.validateQuery(AbstractJavaQuery.java:245)
at org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaQuery.validate(AbstractJavaQuery.java:216)
at org.eclipse.jpt.jpa.core.internal.context.persistence.AbstractPersistenceUnit.validate(AbstractPersistenceUnit.java:2433)