[ https://issues.redhat.com/browse/WFLY-13542?page=com.atlassian.jira.plugi... ] Fábio Silva updated WFLY-13542: ------------------------------- Steps to Reproduce: Sample bean: {code:java} import java.util.concurrent.locks.ReentrantLock; import javax.ejb.Asynchronous; import javax.ejb.ConcurrencyManagement; import javax.ejb.ConcurrencyManagementType; import javax.ejb.Schedule; import javax.ejb.Singleton; @Singleton @ConcurrencyManagement(ConcurrencyManagementType.BEAN) public class MySingleton { private static final ReentrantLock locker = new ReentrantLock(); @Schedule(persistent = false, second = "0/1", minute = "*", hour = "*") public void requestEntry() { long id = Thread.currentThread().getId(); if (locker.tryLock()) { System.out.println("Please come in, " + id + "!"); doSomething(); locker.unlock(); } else { System.err.println("Please wait outside, " + id + "!"); } } private void doSomething() { int timeout = (int) (Math.random() * 8000 + 1000); try { Thread.sleep(timeout); } catch (InterruptedException e) { e.printStackTrace(); } } } {code} was: Sample bean: {code:java} import java.util.concurrent.locks.ReentrantLock; import javax.ejb.Asynchronous; import javax.ejb.ConcurrencyManagement; import javax.ejb.ConcurrencyManagementType; import javax.ejb.Schedule; import javax.ejb.Singleton; @Singleton @ConcurrencyManagement(ConcurrencyManagementType.BEAN) public class MySingleton { private static final ReentrantLock locker = new ReentrantLock(); @Schedule(persistent = false, second = "0/1", minute = "*", hour = "*") public void requestEntry() { long id = Thread.currentThread().getId(); if (locker.tryLock()) { System.out.println("Please come in, " + id + "!"); doSomething(); locker.unlock(); } else { System.err.println("Please wait outside, " + id + "!"); } } private void doSomething() { int timeout = (int) (Math.random() * 8000 + 1000); try { Thread.sleep(timeout); } catch (InterruptedException e) { e.printStackTrace(); } } } {code} -- This message was sent by Atlassian Jira (v7.13.8#713008)