Hello, My no oracle expert but I just wondered if someone can help. We have upgraded our oracle database to 11g and we used to be able to run the following via sql. If we run the following on current Oracle installation it appears to complete but we do not get the resulting zip file: SQL> Exec jzip.compress_file('/home/oracle/stibo/output/Attr_Info_US.txt','/home/oracle/stibo/output/Attr_Info_US.zip'); PL/SQL procedure successfully completed. Does anyone know what might be the cause of this please? Cheers Joe.