1.Open some ....hbm.xml file
2.Click on table="|" or <column name="|".../> and try CA

org.hibernate.cfg.JDBCBinderException: Duplicate class name 'AllFileGroups' generated for 'org.hibernate.mapping.Table(SYS._ALL_FILE_GROUPS)'. Same name where generated for 'org.hibernate.mapping.Table(SYS._ALL_FILE_GROUPS)'
at org.hibernate.cfg.JDBCBinder.createPersistentClasses(JDBCBinder.java:172)
at org.hibernate.cfg.JDBCBinder.readFromDatabase(JDBCBinder.java:95)
at org.hibernate.cfg.JDBCMetaDataConfiguration.readFromJDBC(JDBCMetaDataConfiguration.java:42)
at org.hibernate.eclipse.nature.HibernateNature$ReadDatabaseMetaData$1.execute(HibernateNature.java:158)
at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:64)
at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:95)
at org.hibernate.eclipse.nature.HibernateNature$ReadDatabaseMetaData.run(HibernateNature.java:156)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)