Add Attachment Error

[anonymous]

An error occured while trying to add an attachment (filesize was about 8KB):

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 406, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 237, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/lib/python2.4/site-packages/trac/attachment.py", line 361, in process_request
    self._do_save(req, attachment)
  File "/usr/lib/python2.4/site-packages/trac/attachment.py", line 496, in _do_save
    attachment.insert(filename, upload.file, size)
  File "/usr/lib/python2.4/site-packages/trac/attachment.py", line 183, in insert
    filename))
  File "/usr/lib/python2.4/site-packages/trac/util/__init__.py", line 112, in create_unique_file
    raise Exception('Failed to create unique name: ' + path)
Exception: Failed to create unique name: /srv/trac/lsoc/attachments/wiki/Video-Telefonie/class03.100.png

[Christian Boos]

How many times did you try? What was the uploaded file name (on your client filesystem)?

[Chris Hoover]

I get the same error (file is very large — about 3megs)

Most recent call last:

• File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/web/main.py", line 432, in dispatch_request Code fragment:
  427. if not env and env_error:
  428. raise HTTPInternalError(env_error)
  429. try:
  430. try:
  431. dispatcher = RequestDispatcher(env)
  432. dispatcher.dispatch(req)
  433. except RequestDone:
  434. pass
  435. return req._response or []
  436. finally:
  437. if not run_once:
  Local variables: Name Value after [' except RequestDone:', ' pass', ' … before [' if not env and env_error:', ' raise … dispatcher <trac.web.main.RequestDispatcher object at 0xb792cecc> e <exceptions.Exception instance at 0xb0d066c> egg_cache '/var/www/html/.python-eggs' env <trac.env.Environment object at 0xb7ac578c> env_error None env_path '/var/www/html/prd' environ {'trac.base_url': u'​http://product.narus.com/prd', 'wsgi.multiprocess': … exc_info (<class exceptions.Exception at 0xa20326c>, <exceptions.Exception instance … filename '/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/web/mai … frames [{'function': 'dispatch_request', 'lines_before': [' if not env and … has_admin True line ' dispatcher.dispatch(req)' lineno 431 message u'Exception: Failed to create unique name: … options {'TracUriRoot': '/prd', 'TracEnv': '/var/www/html/prd'} req <Request "POST u'/attachment/ticket/148'"> request_uri '/prd/attachment/ticket/148' root_uri '/prd' run_once False script_url None start_response <bound method ModPythonGateway._start_response of … tb <traceback object at 0xb0aed74> tb_hide None traceback 'Traceback (most recent call last):\n File …
• File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/web/main.py", line 217, in dispatch Code fragment:
  212. 'Do you have cookies enabled?')
  214. # Process the request and render the template
  215. try:
  216. try:
  217. resp = chosen_handler.process_request(req)
  218. if resp:
  219. if len(resp) == 2: # Clearsilver
  220. chrome.populate_hdf(req)
  221. template, content_type = \
  222. self._post_process_request(req, *resp)
  Local variables: Name Value chosen_handler <trac.attachment.AttachmentModule object at 0xb792c3ec> chrome <trac.web.chrome.Chrome object at 0xb792c50c> ctype 'multipart/form-data' err (<class exceptions.Exception at 0xa20326c>, <exceptions.Exception instance … handler <trac.attachment.AttachmentModule object at 0xb792c3ec> options {'boundary': '—————————————-22168770913606'} req <Request "POST u'/attachment/ticket/148'"> self <trac.web.main.RequestDispatcher object at 0xb792cecc>
• File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/attachment.py", line 407, in process_request Code fragment:
  402. ('attachment', attachment.filename, resource=attachment)
  403. add_link(req, 'up', ctx.parent.resource_href(), ctx.parent.name()) 404.
  404. if req.method == 'POST':
  405. if action == 'new':
  406. self._do_save(ctx)
  407. elif action == 'delete':
  408. self._do_delete(ctx)
  409. elif action == 'delete':
  410. data = self._render_confirm_delete(ctx)
  411. elif action == 'new':
  Local variables: Name Value action u'new' attachment <trac.attachment.Attachment object at 0xb0bb56c> context <Context '[root]' <Request "POST u'/attachment/ticket/148'">> ctx <Context u'[root], ticket:148, attachment:Ticket#148_NSS_Portal062007.doc' … parent_realm u'ticket' path u'148' req <Request "POST u'/attachment/ticket/148'"> self <trac.attachment.AttachmentModule object at 0xb792c3ec>
• File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/attachment.py", line 545, in _do_save Code fragment:
  540. req.perm.require('ATTACHMENT_DELETE', context)
  541. old_attachment.delete()
  542. except TracError:
  543. pass # don't worry if there's nothing to replace
  544. attachment.filename = None
  545. attachment.insert(filename, upload.file, size)
  547. # Redirect the user to list of attachments (must add a trailing '/')
  548. req.redirect(context.resource_href('..') + '/')
  550. def _do_delete(self, context):
  Local variables: Name Value attachment <trac.attachment.Attachment object at 0xb0bb56c> context <Context u'[root], ticket:148, attachment:Ticket#148_NSS_Portal062007.doc' … filename u'Ticket#148_NSS_Portal062007.doc' max_size 262144000 req <Request "POST u'/attachment/ticket/148'"> self <trac.attachment.AttachmentModule object at 0xb792c3ec> size 3008000L upload FieldStorage('attachment', 'Ticket#148_NSS_Portal062007.doc', …
• File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/attachment.py", line 244, in insert Code fragment:
  240. if not os.access(self.path, os.F_OK):
  241. os.makedirs(self.path)
  242. filename = unicode_quote(filename)
  243. path, targetfile = create_unique_file(os.path.join(self.path,
  244. filename))
  245. try:
  246. # Note: path is an unicode string because self.path was one.
  247. # As it contains only quoted chars and numbers, we can use ascii
  248. basename = os.path.basename(path).encode('ascii')
  249. filename = unicode_unquote(basename)
  Local variables: Name Value attachments_dir '/var/www/html/prd/attachments' commonprefix '/var/www/html/prd/attachments' db <trac.db.pool.PooledConnection object at 0xb0d06ac> filename 'Ticket%23148_NSS_Portal062007.doc' fileobj <open file '<fdopen>', mode 'w+b' at 0xb76e6728> handle_ta True self <trac.attachment.Attachment object at 0xb0bb56c> size 3008000L t None timestamp 1182400981
• File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/util/init.py", line 85, in create_unique_file Code fragment:
  80. return path, os.fdopen(os.open(path, flags), 'w')
  81. except OSError:
  82. idx += 1
  83. # A sanity check
  84. if idx > 100:
  85. raise Exception('Failed to create unique name: ' + path)
  86. path = '%s.%d%s' % (parts[0], idx, parts[1])
  89. class NaivePopen:
  90. """This is a deadlock-safe version of popen that returns an object with
  Local variables: Name Value flags 193 idx 101 parts (u'/var/www/html/prd/attachments/ticket/148/Ticket%23148_NSS_Portal062007', … path u'/var/www/html/prd/attachments/ticket/148/Ticket%23148_NSS_Portal062007.10 …

File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/web/main.py", line 432, in dispatch_request

dispatcher.dispatch(req)

File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/web/main.py", line 217, in dispatch

resp = chosen_handler.process_request(req)

File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/attachment.py", line 407, in process_request

self._do_save(ctx)

File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/attachment.py", line 545, in _do_save

attachment.insert(filename, upload.file, size)

File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/attachment.py", line 244, in insert

filename))

File "/usr/lib/python2.4/site-packages/Trac-0.11dev_r5683-py2.4.egg/trac/util/init.py", line 85, in create_unique_file

raise Exception('Failed to create unique name: ' + path)

System Information:

User Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4 Trac: 0.11dev-r5683 Python: 2.4.3 (#1, Oct 23 2006, 14:19:47) [GCC 4.1.1 20060525 (Red Hat 4.1.1-1)] setuptools: 0.6c3 SQLite: 3.3.3 pysqlite: 1.1.7 Genshi: 0.4.1 jQuery: 1.1.2

[anonymous]

Closing this bug (I was the one that opened it). Was a configuration error on my part.

[batfung@…]

I am having the same problem. What's your configuration error? and how did you fix it?

Thanks./