OptimisticLockException and Duplicate or Missing Records During Upsert Using EMS
Last updated on JUNE 07, 2017
Applies to:Oracle BAM (Business Activity Monitoring) - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
On : 188.8.131.52.0 version, BAM
Under load, duplicate records are being sent to the BAM Data Object from EMS.
Also, at times, records are dropped or missing in the Data Object after EMS upsert.
The following error is seen in the log file: org.eclipse.persistence.exceptions.OptimisticLockException
Caused by: Exception [EclipseLink-5011] (Eclipse Persistence Services - 2.6.3.v20160526-8f41838): org.eclipse.persistence.exceptions.OptimisticLockException
Exception Description: One or more objects cannot be updated because it has changed or been deleted since it was last read
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