With Reverse Proxy (SSL), HTTP-400 Error and Signature Mismatch or Missing '='

(Doc ID 754536.1)

Last updated on DECEMBER 23, 2016

Applies to:

Portal - Version to [Release 10gR2]
Information in this document applies to any platform.
Checked for relevance on 27-Feb-2015


Encountering HTTP-400 errors in the browser when editing provider components in Oracle Portal:

400 Bad Request
Unable to process request. Please check the log file for more details.

Following message is logged in the Portal application.log file:

portal: [module=RepositoryServlet, ecid=84057206550,1] ERROR: Repository Gateway error: Request
Processing Error: Signature Mismatch or Missing '='

Apache.log, shows: - - [19/Nov/2008:16:25:45 -0600] "POST /pls/portal/PORTAL.wwv_builder.accept HTTP/1.1"
400 163
.... - - [19/Nov/2008:16:01:18 -0600] "POST
/pls/portal/PORTAL.wwexp_api_engine.other_actions HTTP/1.1" 400 163



Configured Apache 2.0 as Reverse proxy and SSL.


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