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To: Sawtooth who wrote (1042)	12/20/1998 8:09:00 PM
From: Jeff Redman	Read Replies (1) \| Respond to of 1361

It gets very complex to explain, it depends on the system and how well the person on call knows the system. Everything is tested before it goes to production, so there are usually only minor problems, if any. I'll give you one example of a bad record that happens to all Mainframe programmers: A file is sent to you from another program, an alphanumeric field is were a numeric field should be. My program does this "Move text field to an amount field" Text = X(20), Amount = S9(11)V99 Comp-3. You will get a data exception that will crash the program, the error code is an SOC7. This is very easy to find and fix, by reading the core dump and comparing to the source listing. We use Abend Aid here by Compuware, many shops do, so many times Abend Aid gives you all the information you need to solve the problem. After 20 years of fixing problems, it's usually not that difficult and most of the time it takes me about 2 hours to get the job running again. But again, it depends on the complexity of the program and how familiar you are with it.