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From "Laplie Anderson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (VFS-531) Cannot "copyFrom" without access to create parent folder even if folder exists
Date Fri, 11 Jul 2014 20:37:04 GMT

    [ https://issues.apache.org/jira/browse/VFS-531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059321#comment-14059321
] 

Laplie Anderson commented on VFS-531:
-------------------------------------

Still happens on 2.1-SNAPSHOT downloaded today.  Here is the new stacktrace:

{code:borderStyle=solid}
Caused by: org.apache.commons.vfs2.FileSystemException: Could not create folder "file:///home/usera/subfolder".
	at org.apache.commons.vfs2.provider.AbstractFileObject.createFolder(AbstractFileObject.java:439)
	at org.apache.commons.vfs2.provider.AbstractFileObject.getOutputStream(AbstractFileObject.java:1377)
	at org.apache.commons.vfs2.provider.DefaultFileContent.getOutputStream(DefaultFileContent.java:479)
	at org.apache.commons.vfs2.provider.DefaultFileContent.getOutputStream(DefaultFileContent.java:458)
	at org.apache.commons.vfs2.provider.DefaultFileContent.write(DefaultFileContent.java:772)
	at org.apache.commons.vfs2.provider.DefaultFileContent.write(DefaultFileContent.java:796)
	at org.apache.commons.vfs2.FileUtil.copyContent(FileUtil.java:90)
	at org.apache.commons.vfs2.provider.AbstractFileObject.copyFrom(AbstractFileObject.java:341)
	... 2 more
Caused by: org.apache.commons.vfs2.FileSystemException: Could not create directory "/home/usera/subfolder".
	at org.apache.commons.vfs2.provider.local.LocalFile.doCreateFolder(LocalFile.java:153)
	at org.apache.commons.vfs2.provider.AbstractFileObject.createFolder(AbstractFileObject.java:428)
	... 9 more
{code}

I also found something else out, giving *execute* access, {{chmod 755 /home/usera}} fixes
the issue.  Write access to that folder is not needed.

> Cannot "copyFrom" without access to create parent folder even if folder exists
> ------------------------------------------------------------------------------
>
>                 Key: VFS-531
>                 URL: https://issues.apache.org/jira/browse/VFS-531
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 2.0
>         Environment: Linux
>            Reporter: Laplie Anderson
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Using copyFrom when you don't have access to create the parent folder fails even when
the parent folder exists.
> I have the folder structure of:
> /home/usera/subfolder
> Userb has r/w access to the subfolder and read access to the parent folders.  CopyFrom
with a destination of "/home/usera/subfolder/file" fails 
> {code:borderStyle=solid}
> Caused by: org.apache.commons.vfs2.FileSystemException: Could not create folder "file:///home/usera/subfolder".
> 	at org.apache.commons.vfs2.provider.AbstractFileObject.createFolder(AbstractFileObject.java:999)
> 	at org.apache.commons.vfs2.provider.AbstractFileObject.getOutputStream(AbstractFileObject.java:1424)
> 	at org.apache.commons.vfs2.provider.DefaultFileContent.getOutputStream(DefaultFileContent.java:461)
> 	at org.apache.commons.vfs2.provider.DefaultFileContent.getOutputStream(DefaultFileContent.java:441)
> 	at org.apache.commons.vfs2.FileUtil.copyContent(FileUtil.java:111)
> 	at org.apache.commons.vfs2.provider.AbstractFileObject.copyFrom(AbstractFileObject.java:1053)
> 	... 2 more
> Caused by: org.apache.commons.vfs2.FileSystemException: Could not create directory "/home/usera/subfolder".
> 	at org.apache.commons.vfs2.provider.local.LocalFile.doCreateFolder(LocalFile.java:153)
> 	at org.apache.commons.vfs2.provider.AbstractFileObject.createFolder(AbstractFileObject.java:988)
> 	... 7 more
> {code}
> It looks like the issue is that the code doesn't check if the destination folder exists
before calling create.  Create throws an exception any time the folder is not created (even
if it didn't have to create the folder.)



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