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Accessing Application Using Oracle HTTP Server Fails with the Error ""HTTP ERROR 400" (Doc ID 2942666.1)

Last updated on APRIL 15, 2023

Applies to:

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


When accessing application using Oracle HTTP Server(OHS), it fails with "HTTP ERROR 400" as shown below:

Accessing application directly using WebLogic port works fine.

After enabling HTTP Debug at WebLogic end by following below steps:

1. Login into weblogic console

2. Navigate to :

Environment ---servers ---<server_name> ---debug ---Expand weblogic under "Debug Scopes and Attributes"

3. Expand servlet and enable "DebugHttp"

Below information was found in WebLogic logs:


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