OPMN Continuously Restarts OHS or Web Cache 11g When the HTTP Listen Port is Disabled - NZ Library Error
(Doc ID 1349498.1)
Last updated on NOVEMBER 04, 2020
Applies to:Oracle Fusion Middleware - Version 188.8.131.52.0 to 184.108.40.206.0 [Release Oracle11g]
Oracle HTTP Server - Version 220.127.116.11.0 to 18.104.22.168.0 [Release Oracle11g]
Web Cache - Version 22.214.171.124.0 to 126.96.36.199.0 [Release Oracle11g]
Information in this document applies to any platform.
This has also been seen with Oracle HTTP Server and Oracle Web Cache. It can occur on a Web-Tier 11g Release 1 (11.1.1), Identity Management 11g Release 1 (11.1.1), or "Portal Forms, Reports & Discoverer" 11g Release 1 (11.1.1), and Oracle Forms & Reports Release 2 (11.1.2) installations, (where OPMN exists).
This document outlines an issue which may be otherwise general, making it difficult to troubleshoot an issue. The symptoms arise when client/server SSL connections are failing and the client closes the connection. This may have many different causes. In these cases, everything may actually seem to work, but the underlying processing is continually failing. Because of this, it may be difficult to notice a configuration or patching change caused an underlying ssl connection problem. You may only notice it with more advanced applications or at production time because of increased load.
The underlying problem starts when OPMN continually restarts Oracle HTTP Server due to failed OPMN ping requests. Requests will still work in between these restarts, so may not be initially recognizable. The following errors are seen in the ORACLE_INSTANCE/diagnostics/logs/OHS/ohs1/ohs1.log file:
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