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Support Article

Property-Set method not working post upgrade to Pega 7.4



Post Pega 7.4 upgrade, the Property-Set method's Property-Set fields do not display. Hence, the property sets do not work. Additionally, when adding new property sets, the Plus icon to add property sets does not display within the method.

Error Messages

Error loading D_ParamSignatures
Reason: org/w3c/dom/ls/LSSerializer.getDomConfig()Lorg/w3c/dom/DOMConfiguration;

Steps to Reproduce

Open an existing activity  and expand a Property Set method in it.

Root Cause

A defect in Pegasystems’ code or rules.

The issue occurred due to the presence of an additional xercesImpl-2.6.2.jar file in the PR_ENGINECLASSES.


Perform the following local-change:

Remove xercesImpl-2.6.2.jar from the PR_ENGINECLASSES and add it to another table.


Published January 30, 2019 - Updated December 2, 2021

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