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Support Article

Declare trigger invoked despite no changes to the property value

SA-80346

Summary



After updating to Pega 7.4, the declare trigger is invoked despite no changes made to the property value.


Error Messages



Not Applicable


Steps to Reproduce

  1. Create a declare trigger in Pega 7.1.7 with configuration as: Trigger when an instance is 'Saved and...' and '..One of these properties was modified.
  2. Define some properties to track.
  3. Add Page context data on the Pages and Classes tab.
  4. Move the rule to Pega 7.4. 
  5. Open a case and submit it without modifying the listed properties. Ensure that these properties are blank. Trace whether the trigger activity is executed or not. The trigger activity is executed though no changes are made to the concerned properties.


Root Cause



An issue in the custom application code or rules.


Resolution



Perform the following local-change:
  1. Add the following prconfig setting in the prconfig.xml.

    <env name="clipboard/avoidtrackingfornewscalarproperty" value="true" />

  2. Restart the server.
Suggest Edit

Published August 15, 2019 - Updated December 2, 2021

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