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THREAD STUCK on WLS | Java ExecutorService Spinning 40 Threads Each Requests

edited Sep 8, 2021 9:31PM in Oracle Weblogic Server (MOSC) 9 commentsAnswered ✓

3 vUsers each user spins 44 Sub Threads using executor service. Application is deployed on Weblogic 12c. While running concurrency we a facing issue on sub threads choking the weblogic. further investigating we found that executor service threads take 2 to 3 minutes to start the execution (based on loggers in before invokeAll and first line of call method).

It looks like in concurrency we, VM is unable to spin threads and hence server gets overwhelmed.

attaching recent analysis.


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