java.lang.IllegalStateException: Illegal source modification with dirty model D:\muneer\New TC application\TCApplication\web\popup.jsp
        at org.netbeans.modules.visualweb.insync.SourceUnit.setSourceDirty(SourceUnit.java:304)
        at org.netbeans.modules.visualweb.insync.SourceUnit.propertyChange(SourceUnit.java:227)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at org.openide.text.CloneableEditorSupport.firePropertyChange(CloneableEditorSupport.java:493)
        at org.openide.text.CloneableEditorSupport.fireDocumentChange(CloneableEditorSupport.java:2155)
        at org.openide.text.CloneableEditorSupport.doCloseDocument(CloneableEditorSupport.java:2068)
        at org.openide.text.CloneableEditorSupport.closeDocument(CloneableEditorSupport.java:2042)
        at org.openide.text.CloneableEditorSupport.notifyClosed(CloneableEditorSupport.java:1916)
        at org.openide.text.DataEditorSupport.notifyClosed(DataEditorSupport.java:301)
        at org.netbeans.modules.visualweb.project.jsfloader.JsfJspEditorSupport.notifyClosed(JsfJspEditorSupport.java:223)
        at org.netbeans.modules.visualweb.project.jsfloader.JsfJavaEditorSupport$CloseHandler.resolveCloseOperation(JsfJavaEditorSupport.java:1081)
        at org.netbeans.core.multiview.MultiViewPeer.canClose(MultiViewPeer.java:549)
        at org.netbeans.core.multiview.MultiViewCloneableTopComponent.canClose(MultiViewCloneableTopComponent.java:295)
        at org.netbeans.core.windows.Central.removeModeTopComponent(Central.java:925)
        at org.netbeans.core.windows.Central.userClosedTopComponent(Central.java:1946)
        at org.netbeans.core.windows.view.DefaultView.userClosedTopComponent(DefaultView.java:741)
        at org.netbeans.core.windows.view.ui.TabbedHandler.actionPerformed(TabbedHandler.java:320)
        at org.netbeans.swing.tabcontrol.TabbedContainer.postActionEvent(TabbedContainer.java:692)
        at org.netbeans.swing.tabcontrol.TabbedContainerUI.shouldPerformAction(TabbedContainerUI.java:162)
        at org.netbeans.swing.tabcontrol.plaf.DefaultTabbedContainerUI.access$2700(DefaultTabbedContainerUI.java:109)
        at org.netbeans.swing.tabcontrol.plaf.DefaultTabbedContainerUI$DisplayerActionListener.actionPerformed(DefaultTabbedContainerUI.java:1258)
        at org.netbeans.swing.tabcontrol.TabDisplayer.postActionEvent(TabDisplayer.java:557)
        at org.netbeans.swing.tabcontrol.TabDisplayerUI.shouldPerformAction(TabDisplayerUI.java:185)
        at org.netbeans.swing.tabcontrol.plaf.BasicTabDisplayerUI.access$1500(BasicTabDisplayerUI.java:116)
        at org.netbeans.swing.tabcontrol.plaf.BasicTabDisplayerUI$BasicDisplayerMouseListener.performCommand(BasicTabDisplayerUI.java:718)
        at org.netbeans.swing.tabcontrol.plaf.BasicTabDisplayerUI$BasicDisplayerMouseListener.potentialCommand(BasicTabDisplayerUI.java:703)
        at org.netbeans.swing.tabcontrol.plaf.BasicTabDisplayerUI$BasicDisplayerMouseListener.mouseReleased(BasicTabDisplayerUI.java:751)
        at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
        at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
        at java.awt.Component.processMouseEvent(Component.java:6041)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5806)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4413)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916)
        at java.awt.Container.dispatchEventImpl(Container.java:2102)
        at java.awt.Window.dispatchEventImpl(Window.java:2440)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)