OAM Impersonation Results in 500 Internal Server Error at Impconsent.jsp Page
Last updated on DECEMBER 18, 2017
Applies to:Oracle Access Manager - Version 184.108.40.206.0 to 220.127.116.11.0 [Release 11g]
Information in this document applies to any platform.
OAM Impersonation is not working in certain scenarios in OAM 18.104.22.168 and 22.214.171.124.
When OAM is front-ended with a LBR/proxy server, starting impersonation might result in HTTP/1.1 500 Internal Server Error when calling impconsent.jsp page (e.g http(s)://lbr_hostname:lbr:port/oam/pages/impconsent.jsp?request_id=....).
The following errors can be seen in OAM server logs:
- 'UnknownHostname' error
- 'java.net.ConnectException: Tried all: 1 addresses, but could not connect over HTTP to server <lbr_hostname>:<lbr:port>' (if there is a firewall blocking connections from Weblogic server to LBR)
- 'bad_certificate' error when the LBR is configured on SSL (if the Weblogic server is unable to validate the LBR certificate)
Start impersonation using a load balancer or a proxy server front-ending OAM servers instead of OAM server hostname.
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