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OAM 11g: Query Parameter Values In Protected URL Are Decoded After OAM 11g SSO Login (Doc ID 1451936.1)

Last updated on MARCH 01, 2019

Applies to:

Oracle Access Manager - Version to [Release 11g]
Information in this document applies to any platform.


Access to protected application pages having URLs containing URL encoded query parameters fails if the access causes redirect for SSO login using Oracle Access Manager (OAM) 11g ( or This is because the query parameters have been URL decoded after OAM SSO login.

The problem causes an application error after OAM SSO login because the application expects the query parameters in the application URL to be URL encoded.

For example, the problem can cause errors when opening an Oracle E-Business Suite (EBS) URL from an email notification, e.g.

If OAM SSO login is performed before the protected resource with URL-encoded query parameters is accessed, then there is no error and the page is successfully displayed in the already authenticated session.

The problem is specific to environments OAM environments with OAM 10g WebGates on the application tiers.




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