OBIEE 12c - EM Error - [nQSError: 28031] Cannot open the file: /ora_home/user_projects/domains/bi/bidata/components/obis/instance_mapping/obish1/mapping (Doc ID 2137998.1)

Last updated on MAY 18, 2016

Applies to:

Business Intelligence Server Enterprise Edition - Version 12.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

12.2.1.0.0 version

Login to EM -> Business Intelligence -> Target Navigation (icon in top left that looks like a hierarchy) -> Business Intelligence -> biinstance -> Overview tab -> Diagnostics section.

the following error occurs, even though all the services are running and OBIEE is fully functional.

ERROR
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[nQSError: 28031] Error: Cannot open the file: /u01/app/obiee/user_projects/domains/bi/bidata/components/obis/instance_mapping/obish1/mapping


STEPS
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The issue can be reproduced at will with the following steps:
1. Login to EM

2. Click on Business Intelligence

3. Click on Target Navigation (icon in top left that looks like a hierarchy)

4. Click on Business Intelligence

5. Click on biinstance

6. Click on the Overview tab

7. Look at the Diagnostics section and the error can be seen

Cause

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