Executor shutdownNow() method not synchronized in JBoss Messaging 1.4 --------------------------------------------------------------------- Key: JBAS-6150 URL: https://jira.jboss.org/jira/browse/JBAS-6150 Project: JBoss Application Server Issue Type: Bug Security Level: Public(Everyone can see) Environment: All platforms Reporter: Howard Gao Assignee: Clebert Suconic In JBoss Messaging, the ChildExecutor.shutdownNow() is not properly synchronized and therefore may cause sporadic NoSuchElementException during runtime. https://jira.jboss.org/jira/browse/JBMESSAGING-1434