Application Fails with Error "java.lang.ClassFormatError: Class file version does not support constant tag 18 in class file" when "fast-swap" is Enabled
(Doc ID 2735770.1)
Last updated on DECEMBER 16, 2020
Applies to:Oracle WebLogic Server - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
With fast-swap enabled, application fails with error ClassFormatError. Refer to below for the complete error stack.
The error does not occur when fast-swap is disabled.
fast-swap is enabled in the application.
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