Paul,
In a 3270 environment, maps are “painted” using terminal based commands and data.
So, what you get is, basically, a set-buffer-address, data and an end of field action code.
So, for any data field on the map you will get a “field” that is length of the data plus 2, bytes.
Now, given that your data stream is processed sequentially, you can get a set buffer address, followed by data, followed by an end of field code byte.
This means that, as the buffer is processed, one field can end up overlapping another field.
IDMS has the ability to tell you that this is happening, or going to happen.
That’s what you’re being told.
A way to see what this looks like is to issue the showmap task code naming the map.
Let’s say the map name is xyz.
At “Enter Next Task Code”, type SHOWMAP XYZ and then press the Enter key.
This will load, and hopefully, show you the map. There won’t be any live data, just the constants in the map.
I hope this helps a bit to figure out what’s going on.
Chuck
Charles (Chuck) Hardee<mailto:Chuck.Hardee@ThermoFisher.com>
Senior Systems Engineer/Database Administration
EAS Information Technology<mailto:DBA%20Engineering%20-%20DB2_IDMS>
Thermo Fisher Scientific
300 Industry Drive | Pittsburgh, PA 15275
Phone +1 (724) 517-2633 | Mobile +1 (412) 877-2809 | FAX: +1 (412) 490-9230
Chuck.Hardee@ThermoFisher.com<mailto:Chuck.Hardee@ThermoFisher.com> | www.thermofisher.com
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