java.lang.NoClassDefFoundError: Could not initialize class com.sun.jna.Native
   at org.netbeans.modules.masterfs.watcher.linux.LinuxNotifier.<init>(LinuxNotifier.java:103)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
   at java.lang.Class.newInstance0(Class.java:372)
   at java.lang.Class.newInstance(Class.java:325)
   at org.openide.util.lookup.implspi.SharedClassObjectBridge.newInstance(SharedClassObjectBridge.java:64)
   at org.openide.util.lookup.MetaInfServicesLookup$P.getInstance(MetaInfServicesLookup.java:492)
   at org.netbeans.modules.masterfs.watcher.Watcher.getNotifierForPlatform(Watcher.java:421)
   at org.netbeans.modules.masterfs.watcher.Watcher.<init>(Watcher.java:85)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
   at java.lang.Class.newInstance0(Class.java:372)
   at java.lang.Class.newInstance(Class.java:325)
   at org.openide.util.lookup.implspi.SharedClassObjectBridge.newInstance(SharedClassObjectBridge.java:64)
   at org.openide.util.lookup.MetaInfServicesLookup$P.getInstance(MetaInfServicesLookup.java:492)
   at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1045)
   at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1025)
   at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1267)
   at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1105)
   at org.openide.util.lookup.ProxyLookup$LazyCollection.access$900(ProxyLookup.java:1033)
   at org.openide.util.lookup.ProxyLookup$LazyCollection$1.hasNext(ProxyLookup.java:1233)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem$StatusImpl.resultChanged(FileBasedFileSystem.java:305)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem$StatusImpl.<init>(FileBasedFileSystem.java:271)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.<init>(FileBasedFileSystem.java:81)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.<clinit>(FileBasedFileSystem.java:79)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedURLMapper.getFileObjects(FileBasedURLMapper.java:106)
   at org.netbeans.modules.masterfs.MasterURLMapper.getFileObjects(MasterURLMapper.java:65)
   at org.openide.filesystems.URLMapper.findFileObject(URLMapper.java:213)
   at org.openide.filesystems.FileUtil.toFileObject(FileUtil.java:1066)
   at org.netbeans.core.ui.warmup.MenuWarmUpTask$NbWindowsAdapter.run(MenuWarmUpTask.java:283)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)