java.lang.IllegalArgumentException: Already listening to D:\work\products\gpswatchdog\dev\4TEL11\alarm_window\alarms_window\foundation
new listener   : org.netbeans.modules.scala.maven.Updater@6c1bc9b2
holder listener: org.netbeans.modules.scala.maven.Updater@6c1bc9b2
   at org.openide.filesystems.FileChangeImpl.addFileChangeListenerImpl(FileChangeImpl.java:235)
   at org.openide.filesystems.FileUtil.addFileChangeListener(FileUtil.java:306)
   at org.netbeans.modules.scala.maven.Updater$$anonfun$attachAll$1.apply(Updater.java:110)
   at org.netbeans.modules.scala.maven.Updater$$anonfun$attachAll$1.apply(Updater.java:110)
   at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.java:33)
   at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.java:108)
   at org.netbeans.modules.scala.maven.Updater.attachAll(Updater.java:110)
   at org.netbeans.modules.scala.maven.ScalariformPrefs.attachUpdater(ScalariformPrefs.java:63)
   at org.netbeans.modules.scala.maven.MavenProjectOpenedHook.projectOpened(MavenProjectOpenedHook.java:13)
   at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectOpened(ProjectOpenedHook.java:85)
   at org.netbeans.modules.project.ui.OpenProjectList.notifyOpened(OpenProjectList.java:1298)
   at org.netbeans.modules.project.ui.OpenProjectList.doOpenProject(OpenProjectList.java:1379)
   at org.netbeans.modules.project.ui.OpenProjectList.open(OpenProjectList.java:823)
   at org.netbeans.modules.project.ui.OpenProjectList$6.run(OpenProjectList.java:675)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)