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Posted to issues@commons.apache.org by "Tim Nickels (JIRA)" <ji...@apache.org> on 2016/06/30 11:07:10 UTC
[jira] [Created] (VFS-617) isReadable fails if unable to determine
group identity
Tim Nickels created VFS-617:
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Summary: 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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