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Support Article

Null pointer exception during case creation



A null pointer exception (NPE) occurs occassionally in the activity addcoveredwork while executing pzaddmapcasetomap and the engine method findPageByHandle.

Error Messages

Caused by:
    at com.pega.pegarules.session.internal.mgmt.Executable.findPageByHandle(

Steps to Reproduce


Root Cause

A defect in Pegasystems' code or rules:
The method findPageByHandle keeps an internal array of pzInsKeys associated with clipboard pages. It is possible for the array of pages to become stale and a reference to a non-existent page might be made, resulting in an NPE.


Apply HFix-31405.
Suggest Edit

Published January 16, 2017 - Updated October 8, 2020

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