Last updated on SEPTEMBER 06, 2016
Applies to:Enterprise Manager for Oracle Database - Version 10.2.0.4 to 126.96.36.199 [Release 10.2 to 11.2]
Information in this document applies to any platform.
The Database home page shows:-
The database instance shows as 'down'
The listener shows as 'up'
The "agent connection to instance" shows as failed accompanied by the message:-
Underneath this section, the charts and graphs are showing on the homepage, and it is possible for example to go to the 'administration' tab, and view the tablespaces etc.
It is also possible to connect to the database in sqlplus.
Thread-4094688144 ERROR engine: [oracle_database,orcl,Response] : nmeegd_GetMetricData failed : ORA-01017: invalid username/password; logon denied (DBD ERROR: OCISessionBegin)
or alternatively similar errors can be seen via:-
click on the 'hostname' (under the 'general' section).
click on 'targets'
click on the agent target (eg. hostname:<port>)
view the "alerts" section
Under here is "metric collection errors:x" (where x is a number)
click on the number
check the message column for the relevant errors - eg. "ORA-01017: invalid username/pa..."
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