Memory Leak On weblogic.rjvm.ConnectionManager Generating A High Rate Of Old Collections Making System Perform Poorly (Doc ID 1437125.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle WebLogic Server - Version 9.2 to 10.3.5
Information in this document applies to any platform.

Symptoms

Periodically, an environment gets caught in a cycle where several OC collections are happening in a row. Often it appears there should be plenty of available heap. When this happens, the server starts behaving poorly, showing several performance problems.

Main Symptoms:

To detect the symptoms, collect a JRockit Flight Recording and a heap dump for the troubled server. If a flight recording is collected, the following will be the expected behavior: