java.lang.NullPointerException
   at org.netbeans.modules.cnd.utils.FSPath.toFSPath(FSPath.java:66)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.processEvent(CsmEventDispatcher.java:249)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.access$600(CsmEventDispatcher.java:86)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher$Worker.run(CsmEventDispatcher.java:216)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)