[Zope] Help! Data.fs corrupted

[Ben Ocean]

Try this:
http://www.zope.org/Members/itamar/CorruptedZODB
http://www.zope.org/Members/vernier/recovery
Good luck!
BenO

At 04:57 PM 11/16/01 -0800, you wrote:

>Hi everyone,
>
>I'm an experienced Zope user/developer and have never seen anything like
>this. It appears data.fs is corrupted. Here's the message I get when
>attempting to start Zope (it's version 2.4.0 on solaris):
>
>------
>2001-11-17T00:51:59 PROBLEM(100) ZODB FS FS21  warn:
>/local/home/a1142/zope/Zope-2.4.0/var/Data.fs time-stamp reduction at
>4995254
>
>------
>2001-11-17T00:51:59 PROBLEM(100) ZODB FS FS21  warn:
>/local/home/a1142/zope/Zope-2.4.0/var/Data.fs has invalid status, , at
>4995254
>
>------
>2001-11-17T00:51:59 PANIC(300) ZODB FS FS21 ERROR:
>/local/home/a1142/zope/Zope-2.4.0/var/Data.fs has invalid transaction
>header at 4995254
>
>------
>2001-11-17T00:51:59 PANIC(300) z2 Startup exception
>Traceback (innermost last):
>   File /local/home/a1142/zope/Zope-2.4.0/z2.py, line 564, in ?
>   File <string>, line 1, in ?
>   File /local/home/a1142/zope/Zope-2.4.0/lib/python/Zope/__init__.py,
>line 110, in ?
>   File /local/home/a1142/zope/Zope-2.4.0/lib/python/ZODB/FileStorage.py,
>line 306, in __init__
>     (Object: /local/home/a1142/zope/Zope-2.4.0/var/Data.fs)
>   File /local/home/a1142/zope/Zope-2.4.0/lib/python/ZODB/FileStorage.py,
>line 1819, in read_index
>   File /local/home/a1142/zope/Zope-2.4.0/lib/python/ZODB/FileStorage.py,
>line 222, in panic
>CorruptedTransactionError: /local/home/a1142/zope/Zope-2.4.0/var/Data.fs
>has invalid transaction header at 4995254
>
>------
>
>Here's the story. I use WebDAV to edit ZPT documents, but had never done
>so on this particular installation. I changed the start file to open a
>WebDAV port, and it seemed to work. I was able to browse, edit, and save
>ZPT's into the database via WebDAV. Meanwhile I had a browser open,
>operating in a Version. I was curious to see if there's anyway to work
>in a Version via WebDAV (meaning a Zope Version). Doesn't seem like
>there is.
>
>After the WebDAV save I started getting cryptic traceback/error messages
>in the browser. (Sorry I didn't record the messages, they were errors
>about type conversion. One of them was about trying to convert a
>longint, and another one made specific references to dates.) Those
>errors appeared whenever I hit the "Undo" tab on any object in the
>database.
>
>So I stopped Zope and this error comes up when I try to restart.
>
>Has anyone experienced this problem?
>
>How can I prevent it in the future?
>
>Is there any way to recover the data in Data.fs?
>
>Thanks!
>
>--- Francis Potter
>
>
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