Attempt to open the timeline through web interface failed

[anonymous]

The error was fortunately transient, but it is somewhat disconcerting. Here is the error stack.

Python Traceback

Traceback (most recent call last):
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/web/main.py", line 387, in dispatch_request
    dispatcher.dispatch(req)
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/web/main.py", line 191, in dispatch
    chosen_handler = self._pre_process_request(req, chosen_handler)
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/web/main.py", line 263, in _pre_process_request
    chosen_handler = f.pre_process_request(req, chosen_handler)
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/versioncontrol/api.py", line 73, in pre_process_request
    self.get_repository(req.authname) # triggers a sync if applicable
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/versioncontrol/api.py", line 101, in get_repository
    repos = self._connector.get_repository(rtype, rdir, authname)
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/versioncontrol/svn_fs.py", line 260, in get_repository
    crepos = CachedRepository(self.env.get_db_cnx(), repos, None, self.log)
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/versioncontrol/cache.py", line 34, in __init__
    self.sync()
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/versioncontrol/cache.py", line 88, in sync
    "VALUES (%s,%s,%s,%s)", (str(current_rev),
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/db/sqlite_backend.py", line 56, in execute
    args or [])
  File "/opt/trac-0.10.3.1/lib/python2.4/site-packages/trac/db/sqlite_backend.py", line 48, in _rollback_on_error
    return function(self, *args, **kwargs)
IntegrityError: column rev is not unique

[Christian Boos]

Duplicate of #3831, itself closed as duplicate of #4043 (though not exactly the same).

All those repository cache issues should now be fixed in 0.10.4 (and 0.11 trunk as well, of course).