Issue in changing data type of a process variable in 17.2 version of appian

amitas0001

A Score Level 2

over 6 years ago

Hi all,

I have a process model with one process variable of "Number decimal" type which is also passed by reference in all the other sub processes. As per the new requirement I need to update the data type of the same process variable to "Text" type.

The problem is for all the new instances there is no problem but for all the ongoing instances there is a problem.Process breaks as all the old instances are still referring the old data type. Please help.

Thanks,

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0 santoshd378
Certified Lead Developer
over 6 years ago

Hi amitas,

Go through the link for upgrading the In-flight process models.
docs.appian.com/.../Process_Upgrade.html
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0 chandu
A Score Level 2
over 6 years ago

All the New Instances will take the last published version of the Process Model. So changing the data type of a process variable is failed in your case. We have two Options.
1. Create an Utility tool to Upgrade the Old Instances.
2. Do inflight Modifications for all the Old Instances.(Need to go the Process Instance and cancel the SubProcess and restart a New one. In this case also some times the New Instances will not pick since you need to restart the parent Process as well.
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