EM 13c: All the Database Targets Home Page in EM Console are Showing the Error: Regions that display real-time data will not be displayed. Exception while loading RAC Database Home Page
(Doc ID 2761469.1)
Last updated on MARCH 24, 2021
Applies to:Enterprise Manager for Oracle Database - Version 220.127.116.11.0 and later
Information in this document applies to any platform.
This document is applicable only when all the database targets are showing the below error:
From EM 13c Console, following error is seen on every database target home page:
Regions that display real-time data will not be displayed. Exception while loading RAC Database Home Page: IO Error: The Network Adapter could not establish the connection The Connect Descriptor was (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = <HostName>)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = <HostName>)(PORT = 1521)))(CONNECT_DATA = (SERVICE_NAME = <ServiceName>)))
Test connection from Oracle Database > Target Setup > Monitoring Configuration also fails with the same error.
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