xa-datasource creates connections more than max-pool-size setting after connection validation failure

Solution Unverified - Updated -


After connections are closed by validate-on-match, prefill can create new connections more than max-pool-size (e.g. double size of the max number) when using xa-datasource.


  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 7.0.9
    • 7.1.x

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