Exception in thread "ConnectionValidator" java.lang.IllegalMonitorStateException in server shutdown --------------------------------------------------------------------------------------------------- Key: WFLY-13340 URL: https://issues.redhat.com/browse/WFLY-13340 Project: WildFly Issue Type: Bug Components: JCA Reporter: Chao Wang Assignee: Flavia Rainone Priority: Critical Fix For: 20.0.0.Beta1 By upgrading IJ to 1.4.21. Final https://issues.redhat.com/browse/WFLY-1324 There is a constant error in server shutdown {code:xml} 12:12:44,713 ERROR [stderr] (ConnectionValidator) Exception in thread "ConnectionValidator" java.lang.IllegalMonitorStateException 12:12:44,714 ERROR [stderr] (ConnectionValidator) at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:151) 12:12:44,714 ERROR [stderr] (ConnectionValidator) at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1261) 12:12:44,715 ERROR [stderr] (ConnectionValidator) at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:457) 12:12:44,715 ERROR [stderr] (ConnectionValidator) at org.jboss.jca.core.connectionmanager.pool.validator.ConnectionValidator$ConnectionValidatorRunner.run(ConnectionValidator.java:317) 12:12:44,715 ERROR [stderr] (ConnectionValidator) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 12:12:44,715 ERROR [stderr] (ConnectionValidator) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 12:12:44,715 ERROR [stderr] (ConnectionValidator) at java.lang.Thread.run(Thread.java:748) {code}