Attempting to Discover a Database Target fails with error 'javax.el.ELException: java.lang.NullPointerException' in Enterprise Manager 12c

(Doc ID 1914296.1)

Last updated on JULY 08, 2016

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.1.0 to 12.1.0.6.0 [Release 12.1]
Information in this document applies to any platform.

Symptoms

Attempting to discover a database from Enterprise Manager 12c Cloud Control results in the error:

java.lang.NullPointerException
javax.el.ELException: java.lang.NullPointerException

Steps to reproduce are:

  1. Targets/Databases/click on 'add'
  2. Specify host or cluster:<choose host name from the list>
  3. click on 'next'
  4. The error is generated

Note* when the host machine name was chosen in step 2, the host target was not shown with an up (green) arrow.

 

Changes

 

Cause

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