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IllegalArgumentException when expanding row in repeating grid



IllegalArgumentException displays when expanding a row in the repeating grid. 

Error Messages

java.lang.IllegalArgumentException: You may only copy thread-level pages. Requested page: D_WorkBasket_pa73281803777602pz from thread PS1__TABTHREAD3 
at com.pega.pegarules.session.internal.mgmt.base.ThreadPageDir.copyPageToAnotherThread( 
at com.pega.pegarules.session.internal.mgmt.PRThreadImpl.copyPageToAnotherThread( 
at com.pega.pegarules.session.internal.mgmt.Executable.setResponseThread(

Steps to Reproduce

  1. Configure a repeating grid layout using a data page at requestor level
  2. Configure expandable rows in the repeating grid and specify a local action
  3. Display the section and click to expand a row in the list

Root Cause

Exceptions occur when a non-thread level page is copied to another thread. Requestor level pages should not be copied as they are already accessible by the requestor.


Apply HFix-43902.


Published July 23, 2018 - Updated October 8, 2020

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