[Zope] zopectl debug, 2.8.0 local zeo, Data.fs.lock file locking error

Chris McDonough chrism at plope.com
Mon Jul 4 17:29:59 EDT 2005


File permissions.  The user who is the effective user does not have
permission to overwrite the Data.fs.lock file.

On Mon, 2005-07-04 at 15:29 +0000, Jeff Kowalczyk wrote:
> I am trying to use 'zopectl debug' for the first time with zope-2.8.0,
> local ZEO setup. It worked fine with zope-2.7.x and earlier. I am now
> getting a file locking error on Data.fs.lock, which stops the debug
> initialization at that point. The problem occurs whether I run zopectl as
> root or as the effective user ('zope')
> 
> Can anyone familiar with local ZEO debugging on linux spot what might be
> the cause of the file locking error? Thanks.
> 
> Zope Version : (Zope 2.8.0-final, python 2.4.1, linux2)
> Python Version : 2.4.1 (#1, Jun 17 2005, 09:31:29)
> [GCC 3.4.4 (Gentoo 3.4.4, ssp-3.4.4-1.0, pie-8.7.8)]
> System Platform : linux2
> SOFTWARE_HOME : /usr/lib/zope-2.8.0/lib/python
> ZOPE_HOME : /usr/lib/zope-2.8.0
> INSTANCE_HOME : /var/lib/zope/zope-2.8.0
> CLIENT_HOME : /var/lib/zope/zope-2.8.0/var
> Network Services : ZServer.HTTPServer.zhttp_server (Port: 8080)
> 
> in /var/lib/zope/zope-2.8.0/etc/zope.conf:
> # Directive: effective-user
> effective-user zope
> 
> 
> # /var/lib/zope/zope-2.8.0/var $ ls -al
> drwxr-xr-x  3 zope zope     336 Jul  4 14:59 .
> drwxr-xr-x  9 root root     280 Jun 25 03:08 ..
> -rw-r--r--  1 zope zope 4849715 Jul  4 14:59 Data.fs
> -rw-r--r--  1 zope zope   55987 Jul  3 18:05 Data.fs.index
> -rw-r--r--  1 zope zope       6 Jul  4 14:59 Data.fs.lock
> -rw-r--r--  1 zope zope 4874585 Jul  3 18:04 Data.fs.old
> -rw-r--r--  1 zope zope  154247 Jul  4 14:59 Data.fs.tmp
> -rw-rw-r--  1 zope zope     299 Jun 25 03:08 README.txt
> -rw-r--r--  1 zope zope       5 Jul  4 14:59 Z2.lock
> -rw-r--r--  1 zope zope       5 Jul  4 14:59 Z2.pid
> drwxr-xr-x  2 zope zope   14648 Jul  4 14:08 pts
> srwx------  1 root root       0 Jul  4 14:59 zopectlsock
> 
> 
>   # /var/lib/zope/zope-2.8.0/bin/zopectl debug
> 
>   /usr/lib/python2.4/whrandom.py:38: DeprecationWarning: the whrandom
>   module is deprecated; please use the random module
> 
>     DeprecationWarning)
> 
>   Starting debugger (the name "app" is bound to the top-level Zope object)
> 
>   /usr/lib/python2.4/whrandom.py:38: DeprecationWarning: the whrandom
>   module is deprecated; please use the random module
> 
>     DeprecationWarning)
> 
>   /usr/lib/zope-2.8.0/lib/python/Products/CMFCore/CMFCorePermissions.py:24:
>   DeprecationWarning: The module, 'Products.CMFCore.CMFCorePermissions' is
>   a deprecated compatiblity alias for 'Products.CMFCore.permissions'; 
>   please use the new module instead.  "the new module instead.",
>   DeprecationWarning)
> 
>   2005-07-04 14:59:58 WARNING PortalTransforms Unable to find binary
>   "rtf-converter" in /usr/(snip)
> 
>   2005-07-04 14:59:58 WARNING PortalTransforms Unable to find binary
>   "rtf2xml" in /usr/(snip)
> 
>   2005-07-04 14:59:58 WARNING PortalTransforms Unable to find binary
>   "lynx" in /usr/(snip)
> 
>   /usr/lib/zope-2.8.0/lib/python/Products/CMFCore/utils.py:622:
>   DeprecationWarning: format_stx() will be removed in CMF 1.6. Please use
>   StructuredText.StructuredText.HTML instead.
> 
>     DeprecationWarning)
> 
>   2005-07-04 15:00:03 ERROR ZODB.lock_file Error locking file
>   /var/lib/zope/zope-2.8.0/var/Data.fs.lock
> 
>   Traceback (most recent call last):
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/lock_file.py", line 63, in
>     __init__
> 
>       lock_file(self._fp)
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/lock_file.py", line 42, in
>     lock_file
> 
>       fcntl.flock(file.fileno(), _flags)
> 
>   IOError: [Errno 11] Resource temporarily unavailable
> 
>   Traceback (most recent call last):
> 
>     File "<string>", line 1, in ?
> 
>     File "/usr/lib/zope-2.8.0/lib/python/Zope2/__init__.py", line 51, in
>     app
> 
>       startup()
> 
>     File "/usr/lib/zope-2.8.0/lib/python/Zope2/__init__.py", line 47, in
>     startup
> 
>       _startup()
> 
>     File "/usr/lib/zope-2.8.0/lib/python/Zope2/App/startup.py", line 56,
>     in startup
> 
>       DB = configuration.dbtab.getDatabase('/', is_root=1)
> 
>     File "/usr/lib/zope-2.8.0/lib/python/DBTab/DBTab.py", line 96, in
>     getDatabase
> 
>       db = self._createDatabase(name, is_root)
> 
>     File "/usr/lib/zope-2.8.0/lib/python/DBTab/DBTab.py", line 113, in
>     _createDatabase
> 
>       db = factory.open()
> 
>     File "/usr/lib/zope-2.8.0/lib/python/Zope2/Startup/datatypes.py", line
>     163, in open
> 
>       DB = self.createDB()
> 
>     File "/usr/lib/zope-2.8.0/lib/python/Zope2/Startup/datatypes.py", line
>     160, in createDB
> 
>       return ZODBDatabase.open(self)
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/config.py", line 97, in open
> 
>       storage = section.storage.open()
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/config.py", line 133, in
>     open
> 
>       quota=self.config.quota)
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/FileStorage/FileStorage.py",
>     line 114, in __init__
> 
>       self._lock_file = LockFile(file_name + '.lock')
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/lock_file.py", line 63, in
>     __init__
> 
>       lock_file(self._fp)
> 
>     File "/usr/lib/zope-2.8.0/lib/python/ZODB/lock_file.py", line 42, in
>     lock_file
> 
>       fcntl.flock(file.fileno(), _flags)
> 
>   IOError: [Errno 11] Resource temporarily unavailable
> 
> 
>   >>> 
> 
> Other than this problem with debug, this zope is functioning normally. The
> only modification I have made is to symlink in BTreeFolder2 from the Plone
> 2.1 svn bundle, which reportedly includes fixes identified after 2.8.0
> release.
> 
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