SA-27705

Summary

When using page copy method, the request is copied twice.

Error Messages

Caused by: com.pega.pegarules.pub.PRRuntimeException: Parse XML runtime failed. The reference MyPageListProperty() is not valid.
Reason: unexpected character ')' at position 12, expected subscript (wildcards not allowed)

Steps to Reproduce

1. Perform a failing Apply-Parse-XML operation on a page to generate a Page List.
2. Use Page-Remove to clear the embedded Page List property.
3. Attempt to populate the Page List property with content from a different page through Page-Copy or Property-Set.
4. Observe that the Page List property gets populated with two copies of the page.

Root Cause

The duplicated page is a side effect of the failing Apply-Parse-XML and can be avoided by asserting  dynamic system setting SwitchToOldAssembler.

Resolution

Perform the following local-change:
Prevent the Apply-Parse-XML error with the following dynamic system setting:

Purpose: SwitchToOldAssembler
Owning Ruleset: Pega-IntegrationEngine
Value: true