java.lang.IllegalThreadStateException at java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:864) at java.lang.Thread.init(Thread.java:387) at java.lang.Thread.(Thread.java:652) at java.util.concurrent.Executors$DefaultThreadFactory.newThread(Executors.java:573) at java.util.concurrent.ThreadPoolExecutor$Worker.(ThreadPoolExecutor.java:598) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:913) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1336) at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:110) at org.netbeans.modules.j2ee.weblogic9.optional.WLStartServer.startDeploymentManager(WLStartServer.java:195) at org.netbeans.modules.j2ee.deployment.impl.ServerInstance._start(ServerInstance.java:1462) at org.netbeans.modules.j2ee.deployment.impl.ServerInstance.startTarget(ServerInstance.java:1413) at org.netbeans.modules.j2ee.deployment.impl.ServerInstance.startTarget(ServerInstance.java:1218) at org.netbeans.modules.j2ee.deployment.impl.ServerInstance.start(ServerInstance.java:1095) at org.netbeans.modules.j2ee.deployment.impl.TargetServer.startTargets(TargetServer.java:547) [catch] at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:186) at org.netbeans.modules.j2ee.ant.Deploy.execute(Deploy.java:106) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor199.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:285) at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539) at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)