Issue

pxEvaluateDecisionTable function throws NullPointerException.

Symptoms and Impact

• NullPointerException
• Unexpected behaviors in rules which depend upon the execution of Decision table.

Steps to reproduce

1. Create a Decision table.
2. Create a rule, such as When rule or Data Transform, that invokes the pxEvaluateDecisionTable function to execute the Decision table.
3. Execute the rule that invokes the pxEvaluateDecisionTable function.

Root Cause

A defect in Pega Platform’s engine and classes, which results in NullPointerException.

Solution

For Pega 8.8.5, install HFix-B1611.

For Pega 23.1.2, install HFix-B1486.

For other releases, update to one of the releases listed as Version fixed in below.

References

Failure to load section with Repeating dynamic layout

Decision tables