Default hibernate reverse engineering error please help me

Hibernate Tools
1

hi i want to do reverse engineering but i am getting error .i hava created cfg.xmk and reveng.xml file in eclipse but i am getting error in eclipse with jboss tools

java.lang.RuntimeException: Exception while creating new instance of class ‘org.hibernate.tool.hbm2x.DAOExporter’
Exception while creating new instance of class ‘org.hibernate.tool.hbm2x.DAOExporter’
java.lang.RuntimeException: Exception while creating new instance of class ‘org.hibernate.tool.hbm2x.DAOExporter’
Exception while creating new instance of class ‘org.hibernate.tool.hbm2x.DAOExporter’
java.lang.reflect.InvocationTargetException:

org.postg resql.Driver violet415 jdbc:postgresql://localhost:5432/destiny postgres org.hibernate.dialect.Pos tgreSQLDialect