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13.4: After Upgrading the OPatch on OMS HOME to, Accessing the Target Database Home Page Shows "Trying to connect to the database" (Doc ID 2695856.1)

Last updated on OCTOBER 18, 2022

Applies to:

Enterprise Manager Base Platform - Version and later
Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


After upgrading the OPatch on OMS HOME to, trying to navigate to the target databases on the console, results in the error "Trying to connect to the database"


An incident is also reported:

Incident Id: 56
Incident Source: SYSTEM
Create Time: <Timestamp>
Problem Key: DFW-99998 [java.lang.ClassNotFoundException][oracle.sysman.emo.perf.metric.rt.DbMetricCollectorTarget.getTargetConnection][emgc]

URI: /em/faces/db-homepage-home
RequestType: GET
QueryString: target=<DB_target_name>&type=oracle_database&_afrRedirect=5866044768963868
All Headers Names:
Host, Upgrade-Insecure-Requests, User-Agent, Accept, Sec-Fetch-Site, Sec-Fetch-Mode, Sec-Fetch-Dest, Referer, Accept-Encoding, Accept-Language,

Thread 365358(MetricCollector:HOMETAB_THREAD600:60) exited due to an uncaught Exception: java.lang.NoClassDefFoundError: com/jcraft/jsch/JSchException.

Stack Trace
java.lang.NoClassDefFoundError: com/jcraft/jsch/JSchException
at oracle.sysman.emo.perf.metric.rt.DbMetricCollectorTarget.getTargetConnection(
at oracle.sysman.emo.perf.metric.rt.DbMetricCollectorTarget.getMonitorringConnection(
at oracle.sysman.emo.perf.metric.rt.DbMetricCollectorTarget.getConnection(
at oracle.sysman.emo.perf.metric.eng.MetricCollectorThread.getConnection(
Caused by: java.lang.ClassNotFoundException: com.jcraft.jsch.JSchException



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