javax.management.InstanceNotFoundException: amx:j2eeType=X-DomainRoot,name=amx at com.sun.appserv.management.client.handler.AMXProxyHandler._invoke(AMXProxyHandler.java:1061) at com.sun.appserv.management.client.handler.AMXProxyHandler.invoke(AMXProxyHandler.java:1024) Caused: java.lang.reflect.UndeclaredThrowableException at $Proxy62.waitAMXReady(.java:0) at com.sun.enterprise.deployapi.SunDeploymentManager.getRootProxy(SunDeploymentManager.java:1640) at com.sun.enterprise.deployapi.SunDeploymentManager.getModulesOnATarget(SunDeploymentManager.java:410) Caused: javax.enterprise.deploy.spi.exceptions.TargetException: Error getting required modules at com.sun.enterprise.deployapi.SunDeploymentManager.getModules(SunDeploymentManager.java:393) at com.sun.enterprise.deployapi.SunDeploymentManager.getAvailableModules(SunDeploymentManager.java:328) at org.netbeans.modules.j2ee.sun.ide.dm.SunDeploymentManager.getAvailableModules(SunDeploymentManager.java:574) Caused: java.lang.IllegalArgumentException: javax.enterprise.deploy.spi.exceptions.TargetException: Error getting required modules at org.netbeans.modules.j2ee.deployment.impl.TargetServer.getAvailableTMIDsMap(TargetServer.java:428) at org.netbeans.modules.j2ee.deployment.impl.TargetServer.getDeploymentDirectoryModules(TargetServer.java:941) at org.netbeans.modules.j2ee.deployment.impl.TargetServer.notifyArtifactsUpdated(TargetServer.java:831) at org.netbeans.modules.j2ee.deployment.impl.DeployOnSaveManager$DeployTask.notifyServer(DeployOnSaveManager.java:548) at org.netbeans.modules.j2ee.deployment.impl.DeployOnSaveManager$DeployTask.run(DeployOnSaveManager.java:452) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680)