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WebLogic Server: Unable to Load Performance Pack (Doc ID 1346853.1)

Last updated on AUGUST 03, 2023

Applies to:

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


Sometimes, even though you have checked the checkbox "Enable Native IO" in the Admin console, native IO is not used. If you check the WebLogic Server log, you may get the exception "Unable to load performance pack" like the following:


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