Hello Jon, I just put your code BasicManagedDataSource and tested with some load test. I don't see any ConcurrentAccessTimeoutException.
Below is log 2019-10-09 18:56:40,815 DEBUG (JungoThreadPool-1-198-T642) close() - active: 5. Called from java.lang.Throwable But if i put back the old openejb-core-8.0.0-M3.jar. After few runs i see ConcurrentAccessTimeoutException. Please let me know your inputs. thanks Kalyan -- Sent from: http://tomee-openejb.979440.n4.nabble.com/TomEE-Users-f979441.html
