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comp.lang.ruby

yaml load error (when using cgi

unbewusst.sein

5/6/2008 3:42:00 PM

i've a cgi wanted to make use of yaml and i get this error reported by
Apache2 :

[Tue May 06 12:25:50 2008] [error] mod_ruby: error in ruby
[Tue May 06 12:25:50 2008] [error] mod_ruby:
/opt/local/lib/ruby/1.8/yaml.rb:133:in `load': syntax error on line 3,
col -1: ` manpath: "" (ArgumentError)
[Tue May 06 12:25:50 2008] [error] mod_ruby: search: man
[Tue May 06 12:25:50 2008] [error] mod_ruby: section: ""
[Tue May 06 12:25:50 2008] [error] mod_ruby: : 1
[Tue May 06 12:25:50 2008] [error] mod_ruby:
[Tue May 06 12:25:50 2008] [error] mod_ruby: yaml:
/Users/yt/Sites/man/man_rep/history.yaml
[Tue May 06 12:25:50 2008] [error] mod_ruby: '
[Tue May 06 12:25:50 2008] [error] mod_ruby: from
/opt/local/lib/ruby/1.8/yaml.rb:133:in `load'
[Tue May 06 12:25:50 2008] [error] mod_ruby: from
/Users/yt/Sites/man/index.rbx:30
[Tue May 06 12:25:50 2008] [error] mod_ruby: from
/opt/local/lib/ruby/1.8/apache/ruby-run.rb:53:in `load'
[Tue May 06 12:25:50 2008] [error] mod_ruby: from
/opt/local/lib/ruby/1.8/apache/ruby-run.rb:53:in `handler'


the calling line being :
history=YAML::load( File.open( YAMLFILE ) )

and the yaml file being no more than :
--- history.yaml ------------------------------
--- !ruby/object:History
items:
!ruby/object:Item ?
manpath: ""
search: man
section: ""
: 1

yaml: /Users/yt/Sites/man/man_rep/history.yaml
--- history.yaml ------------------------------


I should mention i don't have prob when testing that apart from Apache2
and cgi.

When testing under Apache2/cgi my requirements are :
require 'rubygems'
require 'cgi'
require 'fileutils'
require 'yaml'
require 'history'


When testing standalone:
require 'rubygems'
require 'yaml'
require 'history'


the 'history' script being a class History of mine, nothing to do (i
believe) with the prob.

--
Une Bévue
4 Answers

Peter Jones

5/10/2008 5:42:00 PM

0

unbewusst.sein@weltanschauung.com.invalid (Une Bévue) writes:
> /opt/local/lib/ruby/1.8/yaml.rb:133:in `load': syntax error on line 3,
> col -1: ` manpath: "" (ArgumentError)

Can you load the yaml file from outside your CGI script? Are both the
History and Item class loaded into the runtime before you load the
yaml file?

--
Peter Jones [pjones at domain below]
pmade inc. - http:/...

unbewusst.sein

5/10/2008 6:44:00 PM

0

Peter Jones <dev-null@pmade.com> wrote:

>
> Can you load the yaml file from outside your CGI script?

Nope...

> Are both the
> History and Item class loaded into the runtime before you load the
> yaml file?

YES, because of "rubygems"

i've tried :
require 'man_rep/manpage'
require 'rubygems'
require 'cgi'
require 'yaml'

=> that way probs with yaml

require 'rubygems'
require 'yaml'
require 'cgi'
require 'man_rep/manpage'

=> that way probs with rubygems (unable to find man_rep/manpage ...)

but i could try something else, using "computed" absolute path for
'man_rep/manpage'

thanks for your answer !

--
Une Bévue

Peter Jones

5/10/2008 7:20:00 PM

0

unbewusst.sein@weltanschauung.com.invalid (Une Bévue) writes:
>> Can you load the yaml file from outside your CGI script?
>
> Nope...

I think the core issue is that your YAML file is malformed. How did
you create it?

Load it in IRB and track down the syntax error in the YAML file:

,----
| >> # load all your libs
| >> h = YAML.load_file('filename')
`----

--
Peter Jones [pjones at domain below]
pmade inc. - http:/...

unbewusst.sein

5/11/2008 7:43:00 AM

0

Peter Jones <dev-null@pmade.com> wrote:

>
> I think the core issue is that your YAML file is malformed. How did
> you create it?

to read it :
history_file="man_rep/history.yaml"
history=YAML::load( File.open(history_file))

to write it:
File.open( history_file, "w" ) {|f| f.write( history.to_yaml ) }

history being an Array of Page(s), Page is a simple class of mine.

> Load it in IRB and track down the syntax error in the YAML file:

I'll look at however, i don't think it's corrupted because, i've trashed
it regularly...

thanks for the tip !
--
Une Bévue