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Heap shows accumulation of DBLockProviderImpl objects



System administrators have noted a growth in heap size over time.  Inspection of heap dumps show a buildup of objects of class DBLockProviderImpl$LockInformation.

Error Messages

Not applicable

Steps to Reproduce

This is occurring in an application that is exposed through a web portal - where there is no way to control or prevent users from abandoning sessions without logging off cleanly.

Root Cause

A defect in Pegasystems’ code allows accumulation of objects in the LockCache (objects of class DBLockProviderImpl$LockInformation).


Apply HFix-29980.


Published November 18, 2016 - Updated October 8, 2020

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