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Advanced Security Option(ASO) Causes JDBC/APEX/ORDS/WebLogic Applications Consume High CPU (Doc ID 2522435.1)

Last updated on DECEMBER 16, 2023

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Oracle REST Data Services - Version 3.0.0 and later
Oracle Application Express (APEX) - Version and later
Oracle Exalogic Elastic Cloud Software - Version and later
Advanced Networking Option - Version and later
Information in this document applies to any platform.


WebLogic Server version:, APEX version:, ORDS version:

On WebLogic managed servers with APEX/ORDS deployed on them, the CPU usage is extremely high which is close to 100%. Below is an example on one of the servers.


The hot packages and classes are shown below:

Meanwhile, we can see there are quite some hot threads, and the hot methods for each hot thread are same which are or Below is a example thread from the JFR:





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