Getting java nio file AccessDeniedException when trying to write to a folder

Question

For some reason I keep getting java nio file AccessDeniedException every time I try to write to a folder on my computer using a java webapp on Tomcat  This folder has permissions set to full control for everyone on my computer  Windows   Does anybody know why I get this exception   Here s my code   public void saveDocument String name  String siteID  byte doc          try           Path path   Paths get rootDirectory   siteID           if  Files exists path                 System out println  Exists      path toString                 Files write path  doc             else               System out println  DOesn t exist                throw new Exception  Directory for Site with ID     siteID    doesn t exist                    catch  FileSystemException e            System out println  Exception      e           e printStackTrace          catch  IOException e             System out println  Exception      e           e printStackTrace          catch  Exception e            System out println  Exception      e           e printStackTrace            And here is the error      Exception  java nio file AccessDeniedException  C  safesite documents site1       java nio file AccessDeniedException  C  safesite documents site1       at         sun nio fs WindowsException translateToIOException WindowsException java 83        at     sun nio fs WindowsException rethrowAsIOException WindowsException java 97        at sun nio fs WindowsException rethrowAsIOException WindowsException java 102        at sun nio fs WindowsFileSystemProvider newByteChannel WindowsFileSystemProvider java 230        at java nio file spi FileSystemProvider newOutputStream FileSystemProvider java 430        at java nio file Files newOutputStream Files java 172        at java nio file Files write Files java 3092    Possible reason why  See my post on supersuser about how I can t uncheck  Read Only  for any of my folders on windows 7  Even though all the folders aren t read only to anything but java

User · Answer

Delete  android folder cache files  Also delete the build folder manually from a directory and open android studio and run again

User · Answer

I was getting the same error when trying to copy a file  Closing a channel associated with the target file solved the problem   Path destFile   Paths get  dest file    SeekableByteChannel destFileChannel   Files newByteChannel destFile         destFileChannel close       removing this will throw java nio file AccessDeniedException  Files copy Paths get  source file    destFile

User · Answer

Not the answer for this question    I got this exception when trying to delete a folder where i deleted the file inside      Example   createFolder  folder      createFile  folder file      deleteFile  folder file      deleteFolder  folder       error here   While deleteFile  folder file    returned that it was deleted  the folder will only be considered empty after the program restart      On some operating systems it may not be possible to remove a file when it is open and in use by this Java virtual machine or other programs    https   docs oracle com javase 8 docs api java nio file Files html delete-java nio file Path-  Explanation from dhke

User · Answer

Getting java nio file AccessDeniedException when trying to write to a folder  Unobviously  Comodo antivirus has an  quot Auto-Containment quot  setting that can cause this exact error as well    e g  the user can write to a location  but the java exe and javaw exe processes cannot   In this edge-case scenario  adding an exception for the process and or folder should help  Temporarily disabling the antivirus feature will help understand if Comodo AV is the culprit  I post this not because I use or prefer Comodo  but because it s a tremendously unobvious symptom to an otherwise functioning Java application and can cost many hours of troubleshooting file permissions that are sane and correct  but being blocked by a 3rd-party application

User · Answer

Ok it turns out I was doing something stupid  I hadn t appended the new file name to the path   I had  rootDirectory    C   safesite documents    but it should have been  rootDirectory    C   safesite documents  newFile jpg     Sorry it was a stupid mistake as always

[java] Getting "java.nio.file.AccessDeniedException" when trying to write to a folder

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