EM 12c: Accessing Top Activity Page in Enterprise Manager 12c Cloud Control after Target Database Restart Results in java.lang.NullPointerException Error (Doc ID 1631269.1)

Last updated on MARCH 03, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.1.0 to 12.1.0.4.0 [Release 12.1]
Enterprise Manager Base Platform - Version 12.1.0.1.0 to 12.1.0.2.0 [Release 12.1]
Information in this document applies to any platform.

Symptoms

Enterprise Manager (EM) Cloud Control 12.1.0.2
Database Management Plug-in 12.1.0.3

After restart of a target database, navigate: Performance > Top Activity
The following error is shown:

Error : "java.lang.NullPointerException"

This may happen on other pages (like the home page or administration) as well.

 

Changes

 

Cause

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