A fix is available
APAR status
Closed as program error.
Error description
The CSS for the OpenAPI UI is not linked correctly, resulting in the UI missing most of its styling. The features affected are: mpOpenAPI-3.0, mpOpenAPI-2.0, mpOpenAPI-1.1, mpOpenAPI-1.0, openapi-3.1 and openapi-3.0  
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server Liberty - OpenAPI and MicroProfile * * OpenAPI * **************************************************************** * PROBLEM DESCRIPTION: OpenAPI UI is missing CSS * **************************************************************** * RECOMMENDATION: * **************************************************************** A code change to update the version of swagger-ui used by the OpenAPI UI in fixpack 22.0.0.3 broke a link between the HTML page and its CSS. As a result, the CSS cannot be loaded and the page is displayed with no styling. The change which introduced the problem was https://github.com/OpenLiberty/open-liberty/pull/20054
Problem conclusion
The OpenAPI UI was rebuilt, fixing the link between the HTML and the CSS. The change containing the fix is https://github.com/OpenLiberty/open-liberty/pull/20311 The fix for this APAR is currently targeted for inclusion in fix pack 22.0.0.4. Please refer to the Recommended Updates page for delivery information: http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix
Comments
APAR Information
APAR number
PH44666
Reported component name
WAS LIBERTY COR
Reported component ID
5725L2900
Reported release
CD0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2022-03-04
Closed date
2022-03-04
Last modified date
2022-04-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WAS LIBERTY COR
Fixed component ID
5725L2900
Applicable component levels
RCD0 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSD28V","label":"WebSphere Application Server Liberty Core"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"CD0","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
04 May 2022