OBIEE 12c : "Could not acquire RPD lock" Error While Downloading RPD

(Doc ID 2291067.1)

Last updated on OCTOBER 13, 2017

Applies to:

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

Symptoms

On Oracle Business Intelligence Enterprise Edition (OBIEE), 12.2.1.0.0 version

"Could not acquire RPD lock for service instance ssi, please try again later"

DMS ERROR: Unexpected NULL argument! (in yodNounFindChildWithLock())
DMS ERROR: Unexpected NULL argument! (in yodNounFindChildSensorWithLock())
DMS ERROR: Unexpected NULL argument! (in yodNounFindMetricWithLock())

Cause

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