java.io.FileNotFoundException: FileObject /home/danecek/CppApplication_1/nbproject/project.xml is not valid.
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.getInputStream(FileObj.java:137)
        at org.openide.text.DataEditorSupport$Env.inputStream(DataEditorSupport.java:730)
        at org.openide.text.CloneableEditorSupport.loadDocument(CloneableEditorSupport.java:2036)
        at org.openide.text.CloneableEditorSupport.access$2800(CloneableEditorSupport.java:120)
Caused: org.openide.text.CloneableEditorSupport$DelegateIOExc: FileObject /home/danecek/CppApplication_1/nbproject/project.xml is not valid.
        at org.openide.text.CloneableEditorSupport$Listener.run(CloneableEditorSupport.java:2875)
        at org.openide.util.Task.run(Task.java:249)
        at org.openide.text.CloneableEditorSupport$5$1Query.call(CloneableEditorSupport.java:1602)
        at org.openide.text.CloneableEditorSupport$5.run(CloneableEditorSupport.java:1614)
        at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:324)
        at org.openide.text.NbDocument.runAtomic(NbDocument.java:384)
        at org.openide.text.CloneableEditorSupport.reloadDocument(CloneableEditorSupport.java:1560)
        at org.openide.text.CloneableEditorSupport.checkReload(CloneableEditorSupport.java:2219)
        at org.openide.text.CloneableEditorSupport.access$2600(CloneableEditorSupport.java:120)
        at org.openide.text.CloneableEditorSupport$Listener$1.run(CloneableEditorSupport.java:2838)
        at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:324)
        at org.openide.text.NbDocument.runAtomic(NbDocument.java:384)
        at org.openide.text.CloneableEditorSupport$Listener$1.run(CloneableEditorSupport.java:2830)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
        at java.awt.Dialog$1.run(Dialog.java:1045)
        at java.awt.Dialog$3.run(Dialog.java:1097)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.awt.Dialog.show(Dialog.java:1095)
        at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:985)
        at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1019)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1007)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:115)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:1355)
        at org.openide.util.Mutex.readAccess(Mutex.java:268)
        at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:992)
        at java.awt.Component.show(Component.java:1563)
        at java.awt.Component.setVisible(Component.java:1515)
        at java.awt.Window.setVisible(Window.java:841)
        at java.awt.Dialog.setVisible(Dialog.java:985)
        at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.showConfirmationDialog(DefaultProjectOperationsImplementation.java:688)
        at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.access$300(DefaultProjectOperationsImplementation.java:98)
        at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation$GUIUserInputHandler.showConfirmationDialog(DefaultProjectOperationsImplementation.java:220)
        at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.deleteProject(DefaultProjectOperationsImplementation.java:196)
        at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation.deleteProject(DefaultProjectOperationsImplementation.java:162)
        at org.netbeans.spi.project.ui.support.DefaultProjectOperations.performDefaultDeleteOperation(DefaultProjectOperations.java:85)
        at org.netbeans.modules.cnd.makeproject.MakeActionProvider.invokeAction(MakeActionProvider.java:222)
        at org.netbeans.modules.project.ui.actions.ProjectAction.actionPerformed(ProjectAction.java:129)
        at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:166)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266)
        at java.awt.Component.processMouseEvent(Component.java:6263)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
        at java.awt.Component.processEvent(Component.java:6028)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
        at java.awt.Container.dispatchEventImpl(Container.java:2085)
        at java.awt.Window.dispatchEventImpl(Window.java:2475)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        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)