OptaPlanner on KIE Server running on Wildfly 9.0.2 throwing IllegalArgumentException on startup ----------------------------------------------------------------------------------------------- Key: DROOLS-1203 URL: https://issues.jboss.org/browse/DROOLS-1203 Project: Drools Issue Type: Bug Affects Versions: 6.4.0.Final Environment: Wildfly 9.0.2 Reporter: Jonathan Holmström Assignee: Geoffrey De Smet Fix For: 7.0.0.Beta1 The following exception is thrown at startup. The server still starts successfully. [31m04:08:44,729 ERROR [org.kie.server.services.impl.KieServerImpl] (ServerService Thread Pool -- 65) Error when initializing server extension of type OptaPlanner KIE Server extension: java.lang.IllegalArgumentException at java.util.concurrent.ThreadPoolExecutor.<init>(ThreadPoolExecutor.java:1307) at java.util.concurrent.ThreadPoolExecutor.<init>(ThreadPoolExecutor.java:1195) at org.kie.server.services.optaplanner.OptaplannerKieServerExtension.init(OptaplannerKieServerExtension.java:75) at org.kie.server.services.impl.KieServerImpl.<init>(KieServerImpl.java:108) at org.kie.server.services.impl.KieServerLocator.<clinit>(KieServerLocator.java:20) at org.kie.server.services.Bootstrap.contextInitialized(Bootstrap.java:50) at io.undertow.servlet.core.ApplicationListeners.contextInitialized(ApplicationListeners.java:173) at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:195) at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100) at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at org.jboss.threads.JBossThread.run(JBossThread.java:320)