"Bean already exists" Error When Creating WebLogic Server Datasource

(Doc ID 803660.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.
***Checked for relevance on 8-Jun-2015***

Symptoms

On WebLogic Server, when attempting to connect to a datasource, the following error occurs.

The issue can be reproduced by following these steps:

  1. Use a WLST script to create the datasource, and use a debugger to step through the datasource-creating process.
  2. After the filename is created, before the datasource is created, stop until the WLST script times out.
  3. Thus, the datasource is not created, but the file is created.
  4. Try creating the datasource again, using the same name. It hits the ‘Bean already exists’ problem.

Cause

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