Accessing the OSSO 10g Administration Application Fails: HTTP-503 Service Temporarily Unavailable (Doc ID 434441.1)

Last updated on APRIL 29, 2016

Applies to:

Oracle Application Server Single Sign-On - Version 10.1.2 to 10.1.2.3 [Release 10gR2]
Information in this document applies to any platform.
***Checked for relevance on 29-Apr-2016***

Symptoms

Unable to access the Oracle Application Server 10g Single Sign-On (SSO) Administration Application:
      http://ssoserver_hostname.domain/pls/orasso

The browser returns HTTP-503 Service Temporarily Unavailable error.

Example:

Service Temporarily Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
======================================================
Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server Server at hostname.domain Port7777


Additional Symptoms:

1. The Delegated Administration Services (DAS) /oiddas application can be accessed successfully.

2. When the problem is reproduced, the Oracle Application Server Infrastructure / HTTP_Server error_log shows the following:

Wed Feb 28 16:04:54 2007] [error] [client <IP address>] [ecid: 1172700294:<IP address>,0] mod_plsql: /pls/orasso/htp.p HTTP-503 ORA-12154 ORA-12154: TNS:could not resolve the connect identifier specified\n
[Wed Feb 28 16:06:27 2007] [error] [<IP address>] [ecid: 1172700387:<IP address>,0] mod_plsql: /pls/orasso/htp.p HTTP-503 ORA-12154 ORA-12154: TNS:could not resolve the connect identifier specified\n


3. The Oracle Application Server Console /em shows the ORASSO Database Access Descriptor (DAD) is down.

Cause

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