Details
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Bug
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Resolution: Done
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Critical
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7.11.1.GA
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- 2 kie-server nodes
- EJB timers with DB persistence
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False
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False
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Documentation (Ref Guide, User Guide, etc.), Release Notes
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CR1
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?
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- lowering the refresh-interval of the EJB timer DB configuration reduces the likelihood of this issue to occur
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2021 Week 40-42 (from Oct 4), 2021 Week 43-45 (from Oct 25), 2021 Week 46-48 (from Nov 15), 2021 Week 49-51 (from Dec 6th), 2022 Week 02-04 (from Jan 10)
Description
In a setup with multiple kie-server nodes, the following sequence of actions can lead to duplicate EJB timer instances getting created:
- Start a process instance containing a timer on node1
- Access the newly created process instance on node2 (eg. REST call to retrieve variables)
If the call in step #2 happens before the EJB timers are synced at the EAP layer (wait time < refresh-interval), then RHPAM will create a second EJB timer instance during the session initialization.
Note: this issue is similar to the scenario tracked in JBEAP-22092, but for a slightly different use case.
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