I'm accessing an Oracle 8.1.7 database via Oracle 9i Application Server. My Oracle reports are generated as pdf and written to cache, from where I view them using Acrobat Reader 6. Problem is - occasionally I get the reports cached in a wrong font ( DeviceFont ) rather than the Arial 12 specified in the report definition. Any clues to whats causing this ? Restarting Report Server sometimes clears the problem, only for it to happen again.