My Oracle Support Banner

WebLogic OutOfMemoryErrors, Session Leaks, and BEA-101020 Errors Due to Incorrect Request Object Cleanup (Doc ID 1371275.1)

Last updated on MAY 01, 2021

Applies to:

Oracle Commerce Platform - Version 9.0 and later
Information in this document applies to any platform.


When running Oracle ATG Web Commerce with the WebLogic application server a variety of intermittent problems have been seen such as memory leaks, high session counts, requests returning blank pages, HTTP 500 errors and BEA-101020 errors.

The server log may contain stacktraces similar to the following:

Viewing the /atg/dynamo/servlet/sessiontracking/GenericSessionManager component and listing the active sessions (click the View button) may show many ATG session scopes that are "expired, with active children." similar to the following screenshot: 




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
 1. PageFilter Mapping in web.xml
 2. Custom Servlets Should Extend DynamoServlet
 1. Disable KeepAlive 
 2. Disable Session Expiration Events
 Additional Information

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.