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Getting "Error 400. The request hostname is invalid" When Using Port 81 As A Listen Port For Managed Server On Weblogic Server on Windows (Doc ID 1954598.1)

Last updated on AUGUST 21, 2023

Applies to:

Oracle WebLogic Server - Version and later
Microsoft Windows x64 (64-bit)


On Windows, port 81 is configured on managed server.  You have tried port 80 and that works without any issues.

However while trying to access the application on this port, using the following URl:


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