404 Error and Web Application Stops Working After Applying WLS PSU 220.127.116.11.4 and Later
(Doc ID 2410876.1)
Last updated on APRIL 15, 2020
Applies to:Oracle WebLogic Server - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
Web Application stops working after applying WebLogic Server (WLS) 12.1.3 PATCH SET UPDATE (PSU).
No stack trace is generated. The server just does not render the requested resource and generates an HTTP-404 error instead.
Applied a WLS PSU from the Critical Patch Update (CPU) program : https://www.oracle.com/technetwork/topics/security/alerts-086861.html
<Note 1470197.1> Patch Set Update (PSU) Release Listing for Oracle WebLogic Server (WLS)
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