Material Transactions causing the MTL_ITEM_LOCATIONS to Lock in WIPTXMAT form
(Doc ID 431168.1)
Last updated on JUNE 12, 2018
Applies to:
Oracle Work in Process - Version 11.5.10.2 to 11.5.10.2 [Release 11.5]Information in this document applies to any platform.
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*** Checked for relevance 11-Aug-2012***
Symptoms
On 11.5.10.2 when multiple Users are performing transactions in WIP Material Transaction form, the MTL_ITEM_LOCATIONS table becomes locked. Users sessions then wait for exclusive lock on MTL_ITEM_LOCATIONS while one other session is holding the exclusive lock.
EXPECTED BEHAVIOR
Expect a better performance
STEPS
The issue can be reproduced at will with the following steps:
1. Responsibility Enterprise Assets Management => Work Order Transactions => Material Transactions. Then push Open button.
2. On material transactions form choose one "Work Order" from LOV. Press ok on LOV. Then push "Continue" buton on "material transaction".
3. Next form "WIP component issue" takes 20-30 minutes to open on peak hours.
On peak hours 50-80 users are accesing that form WIPTXMAT.fmx. Accesed by only 10-15 users same time the problem not occurs.
Cause
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