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Support Article

Error occurs when clicking MultiSelect control

SA-97768

Summary



After moving Product rule from Pega Platform 8.2 to Pega Platform 8.3.1, error occurs on clicking a MultiSelect control.


Error Messages



Error on screen:

There has been an issue, please consult your administrator

Error in the logs:

Exception
java.lang.ClassCastException: com.google.gson.JsonObject cannot be cast to com.google.gson.JsonArray
                at com.pegarules.generated.activity.ra_action_pzgetacdata_997cd58fc3627d5c1f6cb3ece25342da.step4_circum0(ra_action_pzgetacdata_997cd58fc3627d5c1f6cb3ece25342da.java:703) ~[?:?]



Steps to Reproduce



Click a MultiSelect control.


Root Cause



A defect in Pegasystems’ code or rules.
The control expected the source pagelist to be named as '.pxResults'.



Resolution



Perform the following local-change:
  1. Copy the data to a pagelist named .pxResults in the MultiSelect's pre-activity.
  2. Update the control's source list to reference the new pxResults pagelist.
Suggest Edit

Published July 15, 2020 - Updated December 2, 2021

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