Traceback (most recent call last):
  File "<string>", line 1, in ?
  File "/opt/Zope-2.7/lib/python/Zope/__init__.py", line 51, in app
    startup()
  File "/opt/Zope-2.7/lib/python/Zope/__init__.py", line 47, in startup
    _startup()
  File "/opt/Zope-2.7/lib/python/Zope/App/startup.py", line 57, in startup
    DB = configuration.dbtab.getDatabase('/', is_root=1)
  File "/opt/Zope-2.7/lib/python/DBTab/DBTab.py", line 96, in getDatabase
    db = self._createDatabase(name, is_root)
  File "/opt/Zope-2.7/lib/python/DBTab/DBTab.py", line 113, in _createDatabase
    db = factory.open()
  File "/opt/Zope-2.7/lib/python/Zope/Startup/datatypes.py", line 172, in open
    DB = self.createDB()
  File "/opt/Zope-2.7/lib/python/Zope/Startup/datatypes.py", line 169, in createDB
    return ZODBDatabase.open(self)
  File "/opt/Zope-2.7/lib/python/ZODB/config.py", line 97, in open
    return ZODB.DB(section.storage.open(),
  File "/opt/Zope-2.7/lib/python/ZODB/config.py", line 128, in open
    quota=self.config.quota)
  File "/opt/Zope-2.7/lib/python/ZODB/FileStorage.py", line 227, in __init__
    self._lock_file = LockFile(file_name + '.lock')
  File "/opt/Zope-2.7/lib/python/ZODB/lock_file.py", line 62, in __init__
    lock_file(self._fp)
  File "/opt/Zope-2.7/lib/python/ZODB/lock_file.py", line 42, in lock_file
    fcntl.flock(file.fileno(), _flags)
IOError: [Errno 11] Resource temporarily unavailable