Identity Manager / WebSphere - Frequent deadlocks observed while processing tasks


Article ID: 197780


Updated On:


CA Identity Manager


Tasks are failing frequently in Identity Manager, with the following error observed in the log

ERROR [ims.tmt.persistence] PersistenceProvider: JMS:ID:00a73c9f6a49df9aab469d17110a134f0000000000003938: saveTaskSessionEvent: exception saving task session: Transaction (Process ID 46) was deadlocked on lock resources with another process and has been chosen as the deadlock victim.


Release : 14.2

Component : IdentityMinder(Identity Manager)


As a pre requisite, apply solution detailed in

There are two additional optional solutions for this error

1. Applying the latest 14.2 CP5 should address the deadlocks

2. Configure the JDBC provider using Configuring a JDBC provider via the administrative console and the Data Source using Configuring a data source via the administrative console
- Expand Resources > JDBC provider >
- Select the Configured_JDBC_Provider
- Select the Task Persistence data source
- Under additional properties, click Custom properties
- Click New to add a new custom property, specifying the name webSphereDefaultIsolationLevel and type the value as 2. 
- Click OK, and save the configuration.
- Restart the Application Server to make the custom property active.

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