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java.lang.IllegalArgumentException: URI has an authority component [file://<server>/<dir>/users/stuff41b/Eigene%20Dateien/foo.xls] at org.netbeans.modules.masterfs.MasterURLMapper.getFileObjects(MasterURLMapper.java:48) at org.openide.filesystems.URLMapper.findFileObject(URLMapper.java:190) at org.openide.filesystems.FileUtil.isArchiveFile(FileUtil.java:1378) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$SimpleFileFilter.accept(LibrariesNode.java:684) at javax.swing.JFileChooser.accept(JFileChooser.java:1568) at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread.run(BasicDirectoryModel.java:205)
The problem is that we doesn't support UNC paths on Windows. *** This issue has been marked as a duplicate of 46813 ***