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oracle/sql/CustomDatum
java.lang.NoClassDefFoundError: oracle/sql/CustomDatum	at oracle.jbo.server.SQLBuilderFactory.create(SQLBuilderFactory.java:52)	at oracle.jbo.server.SQLBuilderFactory.create(SQLBuilderFactory.java:43)	at oracle.jbo.server.DBTransactionImpl.(DBTransactionImpl.java:304)	at oracle.jbo.server.DBTransactionImpl2.(DBTransactionImpl2.java:62)	at oracle.jbo.server.DatabaseTransactionFactory.create(DatabaseTransactionFactory.java:125)	at oracle.jbo.server.ApplicationModuleImpl.activate(ApplicationModuleImpl.java:496)	at oracle.jbo.server.ApplicationModuleImpl.createRootApplicationModule(ApplicationModuleImpl.java:329)	at oracle.jbo.server.ApplicationModuleHomeImpl.create(ApplicationModuleHomeImpl.java:92)	at oracle.dss.appmodule.client.BISession.getApplicationModule(BISession.java:302)	at oracle.dss.dataSource.client.QueryManager.getAMProxy(QueryManager.java:440)	at oracle.dss.dataSource.client.QueryManager._setupProxy(QueryManager.java:390)	at oracle.dss.dataSource.client.QueryManager.setSession(QueryManager.java:264)	at oracle.dss.datautil.client.XMLManagerFactory.createQueryManager(XMLManagerFactory.java:179)	at oracle.dss.datautil.client.ManagerFactoryImpl.lookupQueryManager(ManagerFactoryImpl.java:176)	at oracle.dss.datautil.client.ManagerFactoryImpl.lookupMetadataManager(ManagerFactoryImpl.java:219)	at oracle.dss.datautil.client.ManagerFactoryImpl.lookupManager(ManagerFactoryImpl.java:128)	at undefined.CacheUpdate.main(CacheUpdate.java:73)