[Zope-CMF] Missing skin files saga continues

[Tres Seaver]

> * seb bacon <seb@jamkit.com> [010613 13:09]:
> 
>>I'm now finding one of my skins directories is apparently empty on my
>>Linux box.  I dived in, armed only with pdb and a snorkel, and got:
>>
>>
>>>/mnt/zope/ProtoExtranet-2/Products/CMFCore/FSImage.py(130)_readFile()
>>>
>>-> try: data = file.read()
>>(Pdb) 
>>IOError: (2, 'No such file or directory')
>>
>>>/mnt/zope/ProtoExtranet-2/Products/CMFCore/FSImage.py(130)_readFile()
>>>
>>-> try: data = file.read()
>>(Pdb) p file
>><open file '/mnt/zope/ProtoExtranet-2/Products/JamkitTypes/skins/jamkit/mailin.png', mode 'rb' at 0x8a50f30>
>>(Pdb) p file.read()
>>*** IOError: <exceptions.IOError instance at 0x8a4d154>
>>
>>Now, this was working before :S  The perms on that file are:
>>
>>[seb@lenin ProtoExtranet-2]$ ls -l /mnt/zope/ProtoExtranet-2/Products/JamkitTypes/skins/jamkit/mailin.png 
>>-rwxr-xr-x    1 seb      users         274 Jun 13 12:46 /mnt/zope/ProtoExtranet-2/Products/JamkitTypes/skins/jamkit/mailin.png
>>
>>So, the file exists, it's been opened, but reading it throws an error.
>>
>>Investigations are continuing.  <deep breath>
 


seb bacon wrote:

 > Well, I'm giving up for now.  There was something very strange going
 > on with that png:
 >
 > [seb@lenin ProtoExtranet-2]$ head mailin.png
 > head: mailin.png: No such file or directory
 >
 > [seb@lenin ProtoExtranet-2]$ stat mailin.png
 > File: "mailin.png"  Size: 274        Blocks: 8         Regular File
 > Access: (0755/-rwxr-xr-x)         Uid: (  500/     seb)  Gid: (  100/ 
   users)
 > Device: 9          Inode: 3597531    Links: 1
 > Access: Wed Jun 13 13:41:36 2001
 > Modify: Wed Jun 13 12:46:40 2001
 > Change: Wed Jun 13 12:47:37 2001
 >
 > I replaced it with another copy, which I *could* read, and it still
 > didn't work.  I removed the gif completely, and abracadabra, all the
 > other files in the skin appeared again.
 >
 > Two questions:
 >
 > 1) Has anyone seen the curious behaviour above before on Linux?  What
 > does it mean?

No clue, I'm afraid.

 > 2) Is there any chance of having the FSObjects fail less silently?

I think that DirectoryView needs to be hardened a bit to deal with
flaky objects (like the PythonScript files which are bothering some,
or your "Cheshire Cat" PNG).  Please submit a tracker issue to that
effect,

Tres.