web commit by http://ptecza.myopenid.com/: * Debugging again

[ikiwiki.git] / doc / bugs / attachment:_failed_to_get_filehandle.mdwn

diff --git a/doc/bugs/attachment:_failed_to_get_filehandle.mdwn b/doc/bugs/attachment:_failed_to_get_filehandle.mdwn
index fadc2f87f5556f77c471f2b181a0b0b8bcc8930c..e5d4756fc8e8a8252042f433fc1db9ebf0d8bf3b 100644 (file)
--- a/doc/bugs/attachment:_failed_to_get_filehandle.mdwn
+++ b/doc/bugs/attachment:_failed_to_get_filehandle.mdwn
@@ -4,6 +4,56 @@ the error message like below:
 
     Błąd: failed to get filehandle
 
+> Can you do some debugging? If you edit attachment.pm line 136, to print
+> out what it did get, and show me what that yields, maybe I can figure
+> this out.
+
+       error("failed to get filehandle ($fh)");
+
+>> Sure. I've done the change and it seems that $fh variable is undefined:
+
+>>     Use of uninitialized value in concatenation (.) or string at /usr/share/perl5/IkiWiki/Plugin/attachment.pm line 135.
+>>     failed to get filehandle ()
+
+> Also, what web server and version of perl is this? --[[Joey]]
+
+>> It's Apache2 2.2.8-1ubuntu0.3 and Perl 5.8.8-12 from Ubuntu Hardy. --[[Paweł|ptecza]]
+
+>>> Hmm, is your CGI.pm perhaps creating the attachment temp file, but
+>>> not providing an open filehandle to it via the `upload` method?
+>>> Change the debugging line to this: --[[Joey]]
+
+       error("failed to get filehandle:$fh ; file:$filename ; is ref:".ref($q->param('attachment')));
+
+>>>> Now my Ikiwiki returns:
+
+>>>>     failed to get filehandle: ; file:sandbox/test.txt ; is ref:
+
+>>>> Is it helpful for you? --[[Paweł|ptecza]]
+
+>>>>> Yes, this suggests that CGI.pm's `upload` function is not working,
+>>>>> but that it *is* returning a filehandle pointing at the attachment
+>>>>> using the old method. Hmm, so I'll bet you have a CGI.pm version
+>>>>> older than 2.47. Can you find your system's CGI.pm and grep for
+>>>>> "VERSION" in it to determine the version? I checked debian stable.
+>>>>> and its perl 5.8.8 has version 3.15, so is not affected, I think.
+
+>>>>>> I have CGI.pm 3.15 too: 
+
+>>>>>>     $ grep VERSION= /usr/share/perl/5.8.8/CGI.pm
+>>>>>>     $CGI::VERSION='3.15';
+
+>>>>> I've just checked in a fix that should work, can you test it?
+>>>>> [diff](http://git.ikiwiki.info/?p=ikiwiki;a=commitdiff;h=71f10579c00a8ddc20ada1a1efd33aac25a3da7e) --[[Joey]]
+
+>>>>>> I've patched `attachment.pm` module, but the bug still occurs.
+>>>>>> However I can see a little progress. I changed invoking `error()`
+>>>>>> subroutine like you showed me before and now Ikiwiki prints
+
+>>>>>>     failed to get filehandle:test.txt ; file:sandbox/test.txt ; is ref:
+
+>>>>>> --[[Paweł|ptecza]]
+
 The same message I can see in the Apache log file. There is also
 following warning:
 
@@ -13,13 +63,6 @@ following warning:
 
 Is it Ikiwiki bug or my attachment plugin is misconfigured? --[[Paweł|ptecza]]
 
-> Joey, please fix the colon in page name of my report. Ikiwiki sets
-> "attachment:\_failed\_to\_get\_filehandle/" URL on "Bugs" page and
-> the report is not clickable in my Epiphany browser:
-
->     Firefox doesn't know how to open this address, because the protocol
->     (attachment) isn't associated with any program.
+> Joey, please fix the colon in page name of my report. [...]
 
-> I can only edit it :) Bad handling ':' character by Ikiwiki is probably
-> its another bug.
-> --[[Paweł|ptecza]]
+>> Moved to [[colon:problem]] --[[Joey]]