java.lang.IllegalArgumentException: C:\Dokumente und Einstellungen\muellermi\Eigene Dateien\NetBeansProjects\SecureAppClient\src\java\secureappclient@307a47c5:ddec61 is not inside C:\Dokumente und Einstellungen\muellermi\Eigene Dateien\NetBeansProjects\SecureAppClient\src\java@7fb4950a:133b375[invalid] at org.netbeans.spi.project.support.ant.SourcesHelper$SourceRoot$Group.contains(SourcesHelper.java:203) at org.netbeans.spi.java.project.support.ui.TreeRootNode$GroupDataFilter.acceptFileObject(TreeRootNode.java:252) at org.openide.loaders.FolderChildren$1R.run(FolderChildren.java:174) at org.openide.util.Mutex$1Exec.run(Mutex.java:1244) at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1913) at org.openide.util.Mutex.postRequest(Mutex.java:1250) at org.openide.util.Mutex.postRequest(Mutex.java:1213) at org.openide.util.Mutex.postWriteRequest(Mutex.java:585) at org.openide.loaders.FolderChildren$1R.run(FolderChildren.java:156) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.IllegalArgumentException: C:\Dokumente und Einstellungen\muellermi\Eigene Dateien\NetBeansProjects\SecureAppClient\src\java\secureappclient@307a47c5:ddec61 is not inside C:\Dokumente und Einstellungen\muellermi\Eigene Dateien\NetBeansProjects\SecureAppClient\src\java@7fb4950a:133b375[invalid] at org.openide.util.RequestProcessor.post(RequestProcessor.java:425) at org.openide.loaders.FolderChildren.refreshChildren(FolderChildren.java:205) at org.openide.loaders.FolderChildren.stateChanged(FolderChildren.java:145) at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:329) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119) at org.netbeans.spi.java.project.support.ui.TreeRootNode$GroupDataFilter.propertyChange(TreeRootNode.java:239) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263) at org.netbeans.spi.project.support.ant.SourcesHelper$SourceRoot$Group.propertyChange(SourcesHelper.java:250) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327) at org.netbeans.spi.project.support.ant.SequentialPropertyEvaluator.stateChanged(SequentialPropertyEvaluator.java:208) at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:329) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119) at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:347) at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:345) at org.openide.util.Mutex.readAccess(Mutex.java:288) at org.netbeans.spi.project.support.ant.ProjectProperties$PP$3.run(ProjectProperties.java:361) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1973)