ODI 12c Studio Frequently Hangs Due to "enq:TM - contention" Database Locks
(Doc ID 1993986.1)
Last updated on MAY 29, 2020
Applies to:Oracle Data Integrator - Version 22.214.171.124.0 to 126.96.36.199.0 [Release 12c]
Information in this document applies to any platform.
In a heavily used shared Oracle Data Integrator (ODI) 12c environment, where many developers/users do simultaneously access ODI Studio > Designer objects...
... ODI frequently freezes/hangs, and this is caused by enq: TM - contention application waits observed on database side.
For example, when one user tries to save a Mapping, ODI Studio is blocked/freezes, despite the fact that the respective Mapping isn't used by any other user at that time.
To release the lock, the ODI Studio process has to be killed.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document