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Poor Performance in BPM Workspace (TaskQueryService) due to JAXB Context Construction (Doc ID 1948786.1)

Last updated on APRIL 04, 2019

Applies to:

Oracle Business Process Management Suite - Version 11.1.1.7.0 and later
Information in this document applies to any platform.

Symptoms

While invoking TaskQueryService.queryTasks during load testing, it is found that threads are locked due to regeneration of the JAXB context at every invocation.
Consequence is that TaskQueryService.queryTasks is slowed down significantly. This performance deterioration will affect Workspace login time and reload time of the user Inbox and Views.

If there are multiple TaskQueryService operations being executed, you will see more than one thread with the following stack:

 

Cause

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In this Document
Symptoms
Cause
Solution
 Related Notes
References


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