Support Article
Parse XML not working after switching from DB2 to Oracle
SA-71641
Summary
When moving to a new system, unable to parse XML rules. This works on the existing systems. The repeating groups in the rule display only the first element; whereas in the earlier system, all the elements are visible.
Error Messages
Not Applicable
Steps to Reproduce
Create a tri-level rule as below.

In the new system, the Policy does not expand and the data is missing.

Root Cause
A defect in Pegasystems’ code or rules.
Resolution
Perform the following local-change:
Set the Dynamic System Setting (DSS) entry SwitchToOldAssembler to 'true' to revert to the PRPC 6.3 assembler.
Owning Ruleset: Pega-IntegrationEngine
Setting Purpose: SwitchToOldAssembler
Published March 29, 2019 - Updated October 8, 2020
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