java.lang.IllegalStateException: Failed to get FileObject for server instance deployer:appengine:localhost:8080/-1198750328
   at org.netbeans.modules.j2ee.deployment.impl.ServerInstance.getDeploymentManager(ServerInstance.java:262)
   at org.netbeans.modules.j2ee.deployment.impl.ServerInstance.getIncrementalDeployment(ServerInstance.java:603)
   at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.canFileDeploy(Deployment.java:509)
   at org.netbeans.modules.web.project.WebActionProvider.setDirectoryDeploymentProperty(WebActionProvider.java:1361)
   at org.netbeans.modules.web.project.WebActionProvider.getTargetNames(WebActionProvider.java:369)
   at org.netbeans.modules.web.project.WebActionProvider$2.run(WebActionProvider.java:248)
   at org.netbeans.modules.web.project.WebActionProvider.invokeAction(WebActionProvider.java:274)
   at org.netbeans.modules.project.ui.actions.MainProjectAction.actionPerformed(MainProjectAction.java:163)
   at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:170)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.Component.processMouseEvent(Component.java:6134)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
   at java.awt.Component.processEvent(Component.java:5899)
   at java.awt.Container.processEvent(Container.java:2023)
   at java.awt.Component.dispatchEventImpl(Component.java:4501)
   at java.awt.Container.dispatchEventImpl(Container.java:2081)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895)
   at java.awt.Container.dispatchEventImpl(Container.java:2067)
   at java.awt.Window.dispatchEventImpl(Window.java:2458)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)