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I am using Java 7 File API. I wrote a class that is working fine on Ubuntu creating directories perfectly, but when I run same code on Windows then it is throwing error: Exception in thread "main" java.lang.UnsupportedOperationException: 'posix:permissions' not supported as initial attribute at sun.nio.fs.WindowsSecurityDescriptor.fromAttribute(Unknown Source) at sun.nio.fs.WindowsFileSystemProvider.createDirectory(Unknown Source) at java.nio.file.Files.createDirectory(Unknown Source) at java.nio.file.Files.createAndCheckIsDirectory(Unknown Source) at java.nio.file.Files.createDirectories(Unknown Source) at com.cloudspoke.folder_permission.Folder.createFolder(Folder.java:27) at com.cloudspoke.folder_permission.Main.main(Main.java:139) My Folder class code is package com.cloudspoke.folder_permission; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.attribute.FileAttribute; import java.nio.file.attribute.PosixFilePermission; import java.nio.file.attribute.UserPrincipal; import java.util.Set; public class Folder{ // attributes required for creating a Folder private UserPrincipal owner; private Path folder_name; private FileAttribute<Set<PosixFilePermission>> attr; public Folder(UserPrincipal owner,Path folder_name,FileAttribute<Set<PosixFilePermission>> attr){ this.owner=owner; this.folder_name=folder_name; this.attr=attr; } //invoking this method will create folders public void createFolder(){ try { //createDirectories function is used for overwriting existing folder instead of createDirectory() method Files.createDirectories(folder_name, attr); Files.setOwner(folder_name, owner); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }

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