Enterprise Manager Fusion Middleware Control 11g Showing OPMN Components with Down Status After Java 7u131+ or Java 6u141+ or JRockit R28.3.13+
(Doc ID 2229830.1)
Last updated on AUGUST 08, 2023
Applies to:
Oracle Fusion Middleware - Version 11.1.1.2.0 to 11.1.1.7.0 [Release Oracle11g]Enterprise Manager for Fusion Middleware - Version 11.1.1.2.0 to 11.1.1.7.0
Information in this document applies to any platform.
Symptoms
After updating Forms and Reports 11.1.2.2 with Java 7 update 131 or higher versions, Enterprise Manager Fusion Middleware Control (EM FMWc) is showing OHS as being down when OPMN has it up.
This will also happen on any 11.1.1.7-based environment where Java 7 update 131+, Java 6 update 141+, or JRockit R28.3.13 (JDK160_141) has been applied.
EM FMWc
From EM FMWc the issue will look like the following while OPMN shows Alive.
OPMN
The OPMN logs will show the following error (ORACLE_INSTANCE/diagnostics/logs/OPMN/opmn/opmn.log):
Has been stated that the error can be seen at 3 minute intervals.
DMS Spy
Non-J2EE Metrics can be found missing from the DMS Spy application(eg http://AdminServer.Host:Port/dms) as in the below picture.
Changes
The WLS JDK has been updated to use newer Java version(Java 7 update 131+, Java 6 update 141+, or JRockit R28.3.13+ (JDK160_141)). The Adminserver/FMWc/JDK is acting as the Client in this scenario communicating with OPMN, the Server.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |