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What does the Message "WARNING: An Illegal Reflective Access Operation Has Occurred" Indicate and can it be Fixed? (Doc ID 2850487.1)

Last updated on MAY 03, 2022

Applies to:

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


 After installing or upgrading WebLogic 14.x to use JDK 11 warning messages are logged similar to this,


WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by <CLASS> (file:<PATHTOFILE>.jar) to method <METHOD>()
WARNING: Please consider reporting this to the maintainers of <CLASS>
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release


What should be done about these warnings?


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