org.openide.filesystems.FileAlreadyLockedException: /net/enum/export1/sside/alsimon/7x7/1/2/3/3.c
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.hardLock(LockForFile.java:181)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile$Namesakes.putInstance(LockForFile.java:307)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile$Namesakes.access$300(LockForFile.java:297)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.registerLock(LockForFile.java:113)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.tryLock(LockForFile.java:103)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.lock(FileObj.java:382)
   at org.openide.filesystems.FileUtil.moveFile(FileUtil.java:663)
   at org.netbeans.modules.cnd.makeproject.ui.ViewItemPasteType.pasteImpl(ViewItemPasteType.java:135)
   at org.netbeans.modules.cnd.makeproject.ui.ViewItemPasteType$1.run(ViewItemPasteType.java:112)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)