Resolved- [Management:141191]The prepare phase of the configuration update failed with an exception

While working in python script, i got this error.I found cause of the error is , i have an up and running managed server and i deleted that managed server through an wlst script.
While deleting server, when implement activate method in script i got this large and ugly error.-

An error occurred during activation of changes, please see the log for details.
Message icon – Error [Management:141191]The prepare phase of the configuration update failed with an exception:

-> First thing never try to delete any managed server which is up and running.First shut down and then closed it.

Follow below steps to get rid of this error

-> Stop the Admin Server & Managed Servers which is up and running.
-> On your Admin Server cd to $WLS_HOME\user_projects\domains\base_domain.
-> Delete all files in pending and servers/domain_bak directory.
-> Start the Admin Server & Managed Servers.
-> Login the weblogic Admin Console and click on ReleaseConfiguration button.
-> Perform the same changes now.

Thats it. 🙂

Happy weblogic learning with Vinay Kumar in techartifact….


I am an Oracle ACE in Oracle ADF/Webcenter. Sr Java Consultant-working on Java/J2EE/Oracle ADF/Webcenter Portal/ content and Hibernate for several years. I'm an active member of the OTN JDeveloper/Webcenter forum. Passionate about learning new technologies. I am here to share my knowledge. Give your views and suggestion on [email protected] .

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