EM12c:ORA-01555 Error in Target DB Alert Log While Accessing Top Activity Page From Cloud Control Console (Doc ID 2266556.1)

Last updated on MAY 22, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Enterprise Manager Base Platform - Version 12.1.0.1.0 and later
Information in this document applies to any platform.

Symptoms

EM 12c(12.1.0.4 Cloud Control)

Multiple ORA-1555 errors are reported in the alert log of the target databases being monitored in EM Cloud Control.

Same errors are seen under the "Top Activity page" of the target databases.
Navigation: EM Cloud Control Console >> (Target Database Home Page) >> Performance >> Top Activity

This issue can occur in later versions of EM.

Cause

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