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Oracle Identity Manager (OIM) 11g and Oracle Identity Governance (OIG) 12c: "status=400" or "No Connection to Server" Error Messages In Identity Consoles Accessed Via a Load Balancer (Doc ID 1987598.1)

Last updated on AUGUST 30, 2023

Applies to:

Identity Manager - Version 11.1.2.3.0 and later
Information in this document applies to any platform.

Symptoms

While performing various operations in the Identity consoles, various connection related errors are seen. These errors do not occur when using the internal Uniform Resource Locator (URL) that does not go through Oracle HTTP Server (OHS) or Load Balancer.

For example, from Identity Self Service -> Manage -> Users, when searching for users or when hitting the Create button to create a user, an error is seen with:

Similarly, various related errors are reported for other activities (such as activating a Sandbox) in the Identity Self Service or Identity System Administration consoles. 

Changes

The issue can occur following the addition of the Load Balancer/Web Tier or after expanding the OHS Web Tier implementation with a new node.

It can also suddenly occur after no changes when the Web Tier configuration has been working without issue for some time.

Cause

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