W3C home > Mailing lists > Public > public-cwm-bugs@w3.org > May 2004

"Bad Syntax" message instead of 404 file not found

From: Tim Berners-Lee <timbl@w3.org>
Date: Sun, 16 May 2004 16:21:54 -0400
Message-Id: <AC46C752-A776-11D8-937D-000A9580D8C0@w3.org>
Cc: public-cwm-bugs@w3.org
To: Henry Story <henry.story@bblfish.net>

Henry,

I'll fork this as a separate bug, as it is a problem with the way cwm 
uses the python library that error 404 doesn't turn up as an exception, 
but a parse error when attemting to parse the Error 404 message as RDF!

Tim


On May 7, 2004, at 13:54, Henry Story wrote:

>
> Sorry that was the wrong output I sent. Below is what I am getting. It 
> looks like it is trying to get the file http://purl.org/atom/ns and 
> croaking on trying to parse that. I'll see if I can point the name 
> space to the right file.
>
> hjs@bblfish:0$ ./diff.py -v -f tmp/bloged1.rdf -t tmp/bloged2.rdf
> Traceback (most recent call last):
>   File "./diff.py", line 374, in ?
>     main()
>   File "./diff.py", line 357, in main
>     graph = loadFiles(testFiles)
>   File "./diff.py", line 318, in loadFiles
>     graph = myStore.loadMany(files, openFormula=graph)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/myStore.py", line 159, 
> in loadMany
>     return _checkStore().loadMany(uris, openFormula)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/llyn.py", line 1150, 
> in loadMany
>     self.load(u, openFormula=F, remember=0)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/llyn.py", line 1131, 
> in load
>     return webAccess.load(store, uri, openFormula, asIfFrom, 
> contentType, flags, why)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/webAccess.py", line 
> 90, in load
>     raise DocumentAccessError(addr, sys.exc_info() )
> webAccess.DocumentAccessError: Unable to access document 
> <file:/Users/hjs/Programming/w3c/2000/10/swap/tmp/bloged1.rdf>, 
> because:
>     [Errno 2] No such file or directory: 
> '/Users/hjs/Programming/w3c/2000/10/swap/tmp/bloged1.rdf'
>
> 19:44:54 - ~/Work/Programming/w3c/2000/10/swap
> hjs@bblfish:0$ ./diff.py -v -f tmp/blog1.rdf -t tmp/blog2.rdf
>     Loaded _g2 llyn.IndexedFormula
>     Loaded _g12 llyn.IndexedFormula
>      Fixed node: Feed
>      Fixed node: "http://b"
>      Blank node: _L11C8
>      Fixed node: "Atom 0.3"
>      Blank node: _L56C8
>      Fixed node: Entry
>      Fixed node: "Henry St"
>      Fixed node: "7 May 20"
>      Fixed node: "xml"
>      Blank node: _L13C8
>      Fixed node: "James To"
>      Fixed node: "not quit"
>      Fixed node: "Learning"
>      Fixed node: Content
>      Fixed node: "BlogEd v"
>      Fixed node: Person
>      Fixed node: "<h1>My <"
>      Blank node: _L43C8
>      Fixed node: "<span>Th"
>      Fixed node: "Create C"
>      Fixed node: _g4
>      Fixed node: "de"
>      Blank node: _L25C8
>      Blank node: _L50C8
>      Fixed node: "en"
>      Blank node: _L40C4
>      Fixed node: "todd@sun"
>      Fixed node: "henry.st"
>      Fixed node: "http://b"
>      Fixed node: "http://b"
>      Fixed node: Link
>      Blank node: _L9C4
>      Fixed node: "text/htm"
>      Fixed node: "<span>It"
>      Fixed node: "service."
>      Fixed node: "text/xht"
>      Blank node: _L19C8
>      Fixed node: "http://b"
>       Predicate: rdf:type
>       Predicate: generator
>       Predicate: email
>       Predicate: mode
>       Predicate: copyright
>       Predicate: hasLink
>       Predicate: type
>       Predicate: hasTitle
>       Predicate: author
>       Predicate: data
>       Predicate: rel
>       Predicate: tagline
>       Predicate: contributor
>       Predicate: url
>       Predicate: created
>       Predicate: version
>       Predicate: href
>       Predicate: lang
>       Predicate: id
>       Predicate: name
>       Predicate: hasContent
>       Predicate: info
>       Schema:  http://purl.org/atom/ns
>       Schema:  http://www.w3.org/1999/02/22-rdf-syntax-ns
> Traceback (most recent call last):
>   File "./diff.py", line 374, in ?
>     main()
>   File "./diff.py", line 366, in main
>     delta = differences(graph, graph2)
>   File "./diff.py", line 235, in differences
>     g_bnodes, g_definitions = nailFormula(g)
>   File "./diff.py", line 85, in nailFormula
>     meta = lookUp(predicates)
>   File "./diff.py", line 65, in lookUp
>     return loadMany([(x) for x in schemas])
>   File "/Users/hjs/Programming/w3c/2000/10/swap/myStore.py", line 159, 
> in loadMany
>     return _checkStore().loadMany(uris, openFormula)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/llyn.py", line 1150, 
> in loadMany
>     self.load(u, openFormula=F, remember=0)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/llyn.py", line 1131, 
> in load
>     return webAccess.load(store, uri, openFormula, asIfFrom, 
> contentType, flags, why)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/webAccess.py", line 
> 109, in load
>     p.feed(buffer)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/notation3.py", line 
> 251, in feed
>     i = self.directiveOrStatement(str,j)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/notation3.py", line 
> 265, in directiveOrStatement
>     if j>=0: return self.checkDot(str,j)
>   File "/Users/hjs/Programming/w3c/2000/10/swap/notation3.py", line 
> 708, in checkDot
>     raise BadSyntax(self._thisDoc, self.lines, str, j, "expected '.' 
> or '}' or ']' at end of statement")
> notation3.BadSyntax: Line 3 of <http://purl.org/atom/ns>: Bad syntax 
> (expected '.' or '}' or ']' at end of statement) at ^ in:
> "...CTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
> <HTML><HEAD>
> ^<TITLE>404 Not Found</TITLE>
> </HEAD><BODY>
> <H1>Not Found</H1..."
Received on Sunday, 16 May 2004 16:21:58 UTC

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