Problemas com Projeto Seam Jboss Tools

Ola bom dia pessoal,to com um problema aki que nao consigo resolver,estou comecando um projeto seam com jboss tools porem qdo mando rodar o projeto de exemplo ta dando este erro macabro,ja pesquisei no google e nao achei nada,alguem pode me ajudar?
segue o erro:

[InjectedDataSourceConnectionProvider] Using provided datasource
11:34:06,640 INFO [SettingsFactory] RDBMS: PostgreSQL, version: 8.1.4
11:34:06,640 INFO [SettingsFactory] JDBC driver: PostgreSQL Native Driver, version: PostgreSQL 7.4.5 JDBC1 with NO SSL (build 216)
11:34:06,640 WARN [ServiceController] Problem starting service persistence.units:ear=SeamProject-ear.ear,unitName=SeamProject
java.lang.RuntimeException: java.lang.AbstractMethodError: org.postgresql.jdbc1.Jdbc1DatabaseMetaData.supportsResultSetType(I)Z
at org.jboss.ejb3.ServiceDelegateWrapper.startService(ServiceDelegateWrapper.java:109)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)