java.lang.IllegalStateException: getOutputStream invoked in AWT
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.getOutputStream(FileObj.java:157)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.getOutputStream(FileObj.java:99)
   at org.openide.filesystems.FileObject.getOutputStream(FileObject.java:733)
   at org.netbeans.spi.project.support.ant.PropertyUtils$2.run(PropertyUtils.java:198)
   at org.netbeans.spi.project.support.ant.PropertyUtils$2.run(PropertyUtils.java:166)
   at org.openide.util.Mutex.writeAccess(Mutex.java:436)
   at org.netbeans.spi.project.support.ant.PropertyUtils.putGlobalProperties(PropertyUtils.java:166)
   at org.netbeans.modules.apisupport.project.universe.NbPlatform$1$1.run(NbPlatform.java:141)
   at org.openide.util.Mutex.leaveImpl(Mutex.java:906)
   at org.openide.util.Mutex.leave(Mutex.java:839)
   at org.openide.util.Mutex.readAccess(Mutex.java:290)
   at org.netbeans.modules.apisupport.project.universe.NbPlatform.initBuildProperties(NbPlatform.java:124)
   at org.netbeans.modules.apisupport.project.universe.NbPlatform.getPlatformsInternal(NbPlatform.java:210)
   at org.netbeans.modules.apisupport.project.universe.NbPlatform.getPlatforms(NbPlatform.java:166)
   at org.netbeans.modules.apisupport.project.ui.platform.HarnessUpgrader.checkForUpgrade(HarnessUpgrader.java:75)
   at org.netbeans.modules.apisupport.project.ui.platform.NbPlatformCustomizer.showCustomizer(NbPlatformCustomizer.java:100)
   at org.netbeans.modules.apisupport.project.ui.platform.NbPlatformCustomizer$1.actionPerformed(NbPlatformCustomizer.java:94)
   at org.openide.awt.AlwaysEnabledAction$1.run(AlwaysEnabledAction.java:197)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:95)
   at org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:116)
   at org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:99)
   at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:200)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:389)
   at com.apple.laf.ScreenMenuItem.actionPerformed(ScreenMenuItem.java:95)
   at java.awt.MenuItem.processActionEvent(MenuItem.java:627)
   at java.awt.MenuItem.processEvent(MenuItem.java:586)
   at java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:337)
   at java.awt.MenuComponent.dispatchEvent(MenuComponent.java:325)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:682)
   at java.awt.EventQueue.access$000(EventQueue.java:85)
   at java.awt.EventQueue$1.run(EventQueue.java:638)
   at java.awt.EventQueue$1.run(EventQueue.java:636)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$2.run(EventQueue.java:652)
   at java.awt.EventQueue$2.run(EventQueue.java:650)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:649)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:162)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)