[INFO] [talledLocalContainer] 08:46:39,728 ERROR [org.kie.server.services.impl.KieServerImpl] (ServerService Thread Pool -- 57) Error when initializing server extension of type OptaPlanner KIE Server extension: java.lang.IllegalArgumentException [INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor.(ThreadPoolExecutor.java:1307) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor.(ThreadPoolExecutor.java:1195) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at org.kie.server.services.optaplanner.OptaplannerKieServerExtension.init(OptaplannerKieServerExtension.java:74) [kie-server-services-optaplanner-6.4.0.CR2-redhat-1.jar:6.4.0.CR2-redhat-1] [INFO] [talledLocalContainer] at org.kie.server.services.impl.KieServerImpl.(KieServerImpl.java:108) [kie-server-services-common-6.4.0.CR2-redhat-1.jar:6.4.0.CR2-redhat-1] [INFO] [talledLocalContainer] at org.kie.server.services.impl.KieServerLocator.(KieServerLocator.java:20) [kie-server-services-common-6.4.0.CR2-redhat-1.jar:6.4.0.CR2-redhat-1] [INFO] [talledLocalContainer] at org.kie.server.services.Bootstrap.contextInitialized(Bootstrap.java:50) [kie-server-services-common-6.4.0.CR2-redhat-1.jar:6.4.0.CR2-redhat-1] [INFO] [talledLocalContainer] at org.apache.catalina.core.StandardContext.contextListenerStart(StandardContext.java:3339) [jbossweb-7.5.11.Final-redhat-1.jar:7.5.11.Final-redhat-1] [INFO] [talledLocalContainer] at org.apache.catalina.core.StandardContext.start(StandardContext.java:3780) [jbossweb-7.5.11.Final-redhat-1.jar:7.5.11.Final-redhat-1] [INFO] [talledLocalContainer] at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:163) [jboss-as-web-7.5.4.Final-redhat-4.jar:7.5.4.Final-redhat-4] [INFO] [talledLocalContainer] at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:61) [jboss-as-web-7.5.4.Final-redhat-4.jar:7.5.4.Final-redhat-4] [INFO] [talledLocalContainer] at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:96) [jboss-as-web-7.5.4.Final-redhat-4.jar:7.5.4.Final-redhat-4] [INFO] [talledLocalContainer] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_71] [INFO] [talledLocalContainer] at org.jboss.threads.JBossThread.run(JBossThread.java:122)