"AWT-EventQueue-1" prio=7 tid=0x0f7bb378 nid=0x548 runnable [0x0ff8f000..0x0ff8fbe4]
        at java.io.FileDescriptor.sync(Native Method)
        at org.netbeans.mdr.persistence.btreeimpl.btreestorage.LogFile.flushFile(LogFile.java:165)
        at org.netbeans.mdr.persistence.btreeimpl.btreestorage.LogFile.writeMap(LogFile.java:157)
        at org.netbeans.mdr.persistence.btreeimpl.btreestorage.LogFile.flush(LogFile.java:176)
        at org.netbeans.mdr.persistence.btreeimpl.btreestorage.FileCache.commit(FileCache.java:273)
        - locked <0x0585d608> (a org.netbeans.mdr.persistence.btreeimpl.btreestorage.FileCache)
        at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.shutDown(BtreeDatabase.java:457)
        - locked <0x05863e48> (a org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase)
        at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeStorage.shutDown(BtreeStorage.java:344)
        - locked <0x0585bdb0> (a org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeStorage)
        at org.netbeans.mdr.storagemodel.MdrStorage.shutDown(MdrStorage.java:585)
        at org.netbeans.mdr.NBMDRepositoryImpl.shutdown(NBMDRepositoryImpl.java:400)
        - locked <0x037f8cd8> (a org.netbeans.mdr.NBMDRepositoryImpl)
        at org.netbeans.api.mdr.MDRManager.shutdownAll(MDRManager.java:45)
        at org.netbeans.modules.mdr.MdrModule.closing(MdrModule.java:35)
        at org.netbeans.core.modules.NbInstaller.closing(NbInstaller.java:609)
        at org.netbeans.core.modules.ModuleManager.shutDown(ModuleManager.java:1523)
        at org.netbeans.core.modules.ModuleSystem.shutDown(ModuleSystem.java:266)
        at org.netbeans.core.NbTopManager.doExit(NbTopManager.java:488)
        at org.netbeans.core.NbTopManager.exit(NbTopManager.java:453)
        at org.netbeans.core.NbTopManager$NbLifecycleManager.exit(NbTopManager.java:543)
        at org.netbeans.core.windows.view.ui.MainWindow$3.windowClosing(MainWindow.java:212)
        at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:291)
        at java.awt.Window.processWindowEvent(Window.java:1182)
        at javax.swing.JFrame.processWindowEvent(JFrame.java:266)
        at java.awt.Window.processEvent(Window.java:1140)
        at java.awt.Component.dispatchEventImpl(Component.java:3938)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Window.dispatchEventImpl(Window.java:1766)
        at java.awt.Component.dispatchEvent(Component.java:3786)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:578)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)