#362: carddav incorrect handling of xattrs on Debian Linux 5 --------------------------------------+------------------------------------- Reporter: alex.stapleton@… | Owner: wsanchez@… Type: Defect | Status: new Priority: 2: Expected | Milestone: Component: Calendar Server | Severity: Serious Keywords: carddav linux xattr | --------------------------------------+------------------------------------- Running ./run -a to get carddav running. Logging in via HTTPS results in {{{ Internal Server Error An error occurred rendering the requested page. More information is available in the server log. }}} From the logs you can see this exception… {{{ 2010-02-17 21:44:06+0000 [-] [caldav-0] Traceback (most recent call last): 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/internet/defer.py", line 184, in addCallbacks 2010-02-17 21:44:06+0000 [-] [caldav-0] self._runCallbacks() 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/internet/defer.py", line 326, in _runCallbacks 2010-02-17 21:44:06+0000 [-] [caldav-0] self.result = callback(self.result, *args, **kw) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/internet/defer.py", line 287, in _continue 2010-02-17 21:44:06+0000 [-] [caldav-0] self.unpause() 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/internet/defer.py", line 283, in unpause 2010-02-17 21:44:06+0000 [-] [caldav-0] self._runCallbacks() 2010-02-17 21:44:06+0000 [-] [caldav-0] --- <exception caught here> --- 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/internet/defer.py", line 326, in _runCallbacks 2010-02-17 21:44:06+0000 [-] [caldav-0] self.result = callback(self.result, *args, **kw) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/dav/method/get.py", line 49, in <lambda> 2010-02-17 21:44:06+0000 [-] [caldav-0] d.addCallback(lambda _: super(twisted.web2.dav.static.DAVFile, self).http_GET(request)) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/resource.py", line 128, in http_GET 2010-02-17 21:44:06+0000 [-] [caldav-0] return self.render(request) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs /CalendarServer-trunk/twistedcaldav/extensions.py", line 798, in render 2010-02-17 21:44:06+0000 [-] [caldav-0] return self.renderDirectory(request) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs /CalendarServer-trunk/twistedcaldav/extensions.py", line 873, in renderDirectory 2010-02-17 21:44:06+0000 [-] [caldav-0] d = self.renderDirectoryBody(request) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs /CalendarServer-trunk/twistedcaldav/util.py", line 102, in wrapper 2010-02-17 21:44:06+0000 [-] [caldav-0] return f(*args, **kwargs) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs /CalendarServer-trunk/twistedcaldav/extensions.py", line 893, in renderDirectoryBody 2010-02-17 21:44:06+0000 [-] [caldav-0] url, name, size, lastModified, contentType = self.getChildDirectoryEntry(child, name) 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs /CalendarServer-trunk/twistedcaldav/extensions.py", line 1019, in getChildDirectoryEntry 2010-02-17 21:44:06+0000 [-] [caldav-0] contentType = child.contentType() 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/dav/resource.py", line 521, in contentType 2010-02-17 21:44:06+0000 [-] [caldav-0] if self.hasDeadProperty((davxml.dav_namespace, "getcontenttype")): 2010-02-17 21:44:06+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/dav/resource.py", line 476, in hasDeadProperty 2010-02-17 21:44:07+0000 [-] [caldav-0] return self.deadProperties().contains(qname) 2010-02-17 21:44:07+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/dav/xattrprops.py", line 237, in contains2010-02-17 21:44:07+0000 [-] [caldav-0] statusForFailure(Failure()), 2010-02-17 21:44:07+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/dav/http.py", line 310, in statusForFailure2010-02-17 21:44:07+0000 [-] [caldav-0] failure.raiseException() 2010-02-17 21:44:07+0000 [-] [caldav-0] File "/home/alexs/Twisted/twisted/web2/dav/xattrprops.py", line 229, in contains2010-02-17 21:44:07+0000 [-] [caldav-0] self.attrs.get(key)2010-02-17 21:44:07+0000 [-] [caldav-0] File "/home/alexs/xattr/build/lib.linux-i686-2.5/xattr/__init__.py", line 73, in get 2010-02-17 21:44:07+0000 [-] [caldav-0] return self._get(name, 0, 0, options | self.options)2010-02-17 21:44:07+0000 [-] [caldav-0] File "/home/alexs/xattr/build/lib.linux-i686-2.5/xattr/__init__.py", line 17, in _func 2010-02-17 21:44:07+0000 [-] [caldav-0] return func(first, *args)2010-02-17 21:44:07+0000 [-] [caldav-0] exceptions.IOError: [Errno 95] Operation not supported: '/home/alexs/CalendarServer- trunk/data/Documents/calendars' }}} I have reduced this somewhat by instrumenting the xattr library. {{{ import xattr xattr.getxattr("data/Documents/calendars","user.{DAV:}getcontenttype") }}} Will throw the same IOError. Running caldav as root gets around this xattr problem but memcached doesn't run. (Which also breaks the server. No pages load.) -- Ticket URL: <http://trac.calendarserver.org/ticket/362> Calendar and Contacts Server </> HTTP/WebDAV/CalDAV Server