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]]
+
The same message I can see in the Apache log file. There is also
following warning: