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Receiving Intermittent False Alerts for PDB Down Targets (Doc ID 2626801.1)

Last updated on AUGUST 14, 2020

Applies to:

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


Lots of intermittent alerts received from PDB targets, which are getting cleared immediately.

Enabling EM agent debug will reveal entries such as these:

2019-12-11 09:08:51,527 [20651:188F16B4] DEBUG - Execution error: oracle.sysman.emSDK.agent.fetchlet.exception.FetchletException: Failed to connect: java.sql.SQLException: ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit
at oracle.sysman.gcagent.addon.fetchlet.sqlfetchlet.SqlFetchlet.getMetric(
2019-12-11 09:08:51,527 [20651:188F16B4] DEBUG - Resultant row at Rowsource [ExceptionRowSource:rac_database.myDBTarget$12:pdbResponse_cdb]
2019-12-11 09:08:51,527 [20651:188F16B4] DEBUG - UNKNOWN,0

The time of the error will match the time of the alert.

Note: To enable/disable EM debugging refer to Note 1531511.1.




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