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From "L (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (VFS-617) isReadable fails if unable to determine group identity
Date Wed, 05 Apr 2017 07:43:41 GMT

    [ https://issues.apache.org/jira/browse/VFS-617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15956457#comment-15956457
] 

L commented on VFS-617:
-----------------------

Looks like a duplicate of VFS-590.

> isReadable fails if unable to determine group identity
> ------------------------------------------------------
>
>                 Key: VFS-617
>                 URL: https://issues.apache.org/jira/browse/VFS-617
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 2.1
>         Environment: Windows 7 Java 7. Failure occured connecting via SFTP to a Synology
box running DSM 6.
>            Reporter: Tim Nickels
>
> The doIsReadable method of SftpFileObject throws an exception if the system cannot identify
group/owner permissions....... 
> Exception in thread "main" org.apache.commons.vfs2.FileSystemException: Could not determine
if file "sftp://myURI" is readable.
> 	at org.apache.commons.vfs2.provider.AbstractFileObject.isReadable(AbstractFileObject.java:1761)
> 	at com.avenca.vfs.VFSUtils.main(VFSUtils.java:41)
> Caused by: com.jcraft.jsch.JSchException: Could not get the groups id of the current
user (error code: 1)
> 	at org.apache.commons.vfs2.provider.sftp.SftpFileSystem.getGroupsIds(SftpFileSystem.java:263)
> 	at org.apache.commons.vfs2.provider.sftp.SftpFileObject.getPermissions(SftpFileObject.java:317)
> 	at org.apache.commons.vfs2.provider.sftp.SftpFileObject.doIsReadable(SftpFileObject.java:335)
> 	at org.apache.commons.vfs2.provider.AbstractFileObject.isReadable(AbstractFileObject.java:1757)
> The problem is the method is using 
> return getPermissions(true).isReadable()
> The folder *is* readable without these permissions, and so should be set to
> return getPermissions(false).isReadable()
> Which correctly allows the system to identify a readable folder without adding unnecessary
restrictions.



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