thr3ads.net - Rails - [Rails] TypeError [Feb 2006]

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Peter Brown

2006-Feb-13 17:13 UTC

[Rails] TypeError

What might cause this error?

TypeError (singleton can''t be dumped):
     /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
     /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
     /usr/lib/ruby/1.8/pstore.rb:138:in `transaction''
     /usr/lib/ruby/1.8/cgi/session/pstore.rb:90:in `update''
     /usr/lib/ruby/1.8/cgi/session/pstore.rb:97:in `close''
     /usr/lib/ruby/1.8/cgi/session.rb:330:in `close''
     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/ 
action_controller/base.rb:914:in `close_session''
     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/ 
action_controller/base.rb:372:in  
`process_without_session_management_support''
     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/ 
action_controller/session_management.rb:116:in `process''
     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/dispatcher.rb:38:in  
`dispatch''
     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb: 
117:in `handle_dispatch''
     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb: 
83:in `service''
     /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service''
     /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''
     /usr/lib/ruby/1.8/webrick/server.rb:155:in `start_thread''
     /usr/lib/ruby/1.8/webrick/server.rb:144:in `start''
     /usr/lib/ruby/1.8/webrick/server.rb:144:in `start_thread''
     /usr/lib/ruby/1.8/webrick/server.rb:94:in `start''
     /usr/lib/ruby/1.8/webrick/server.rb:89:in `each''
     /usr/lib/ruby/1.8/webrick/server.rb:89:in `start''
     /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
     /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb: 
69:in `dispatch''
     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/servers/ 
webrick.rb:59
     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in  
`require__''
     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in  
`require''
     /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/ 
active_support/dependencies.rb:214:in `require''
     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28
     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in  
`require__''
     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in  
`require''
     /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/ 
active_support/dependencies.rb:214:in `require''
     ./script/server:3

Ben Munat

2006-Feb-13 17:32 UTC

head link

[Rails] TypeError

Something in the session can''t be serialized?

b

Peter Brown wrote:> What might cause this error?
> 
> TypeError (singleton can''t be dumped):
>     /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
>     /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
>     /usr/lib/ruby/1.8/pstore.rb:138:in `transaction''
>     /usr/lib/ruby/1.8/cgi/session/pstore.rb:90:in `update''
>     /usr/lib/ruby/1.8/cgi/session/pstore.rb:97:in `close''
>     /usr/lib/ruby/1.8/cgi/session.rb:330:in `close''
>     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/ 
> action_controller/base.rb:914:in `close_session''
>     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/ 
> action_controller/base.rb:372:in  
> `process_without_session_management_support''
>     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/ 
> action_controller/session_management.rb:116:in `process''
>     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/dispatcher.rb:38:in  
> `dispatch''
>     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb: 
> 117:in `handle_dispatch''
>     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb: 83:in 
> `service''
>     /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service''
>     /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''
>     /usr/lib/ruby/1.8/webrick/server.rb:155:in `start_thread''
>     /usr/lib/ruby/1.8/webrick/server.rb:144:in `start''
>     /usr/lib/ruby/1.8/webrick/server.rb:144:in `start_thread''
>     /usr/lib/ruby/1.8/webrick/server.rb:94:in `start''
>     /usr/lib/ruby/1.8/webrick/server.rb:89:in `each''
>     /usr/lib/ruby/1.8/webrick/server.rb:89:in `start''
>     /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
>     /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
>     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb: 69:in 
> `dispatch''
>     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/servers/ 
> webrick.rb:59
>     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in  
> `require__''
>     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in 
`require''
>     /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/ 
> active_support/dependencies.rb:214:in `require''
>     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28
>     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in  
> `require__''
>     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in 
`require''
>     /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/ 
> active_support/dependencies.rb:214:in `require''
>     ./script/server:3
> 
> 
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails

Kent Sibilev

2006-Feb-13 17:36 UTC

head link

[Rails] TypeError

Don''t store into session objects that have singlton methods:

$ irb
irb(main):001:0> o = Object.new
=> #<Object:0x356838>
irb(main):002:0> def o.test; puts ''test'' end
=> nil
irb(main):003:0> Marshal.d
Marshal.display  Marshal.dup      Marshal.dump
irb(main):003:0> Marshal.dump(o)
TypeError: singleton can''t be dumped
        from (irb):3:in `dump''
        from (irb):3:in `binding''
        from :0
irb(main):004:0>

Kent.

On 2/13/06, Ben Munat <bent@munat.com> wrote:> Something in the session can''t be serialized?
>
> b
>
> Peter Brown wrote:
> > What might cause this error?
> >
> > TypeError (singleton can''t be dumped):
> >     /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
> >     /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
> >     /usr/lib/ruby/1.8/pstore.rb:138:in `transaction''
> >     /usr/lib/ruby/1.8/cgi/session/pstore.rb:90:in `update''
> >     /usr/lib/ruby/1.8/cgi/session/pstore.rb:97:in `close''
> >     /usr/lib/ruby/1.8/cgi/session.rb:330:in `close''
> >     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/
> > action_controller/base.rb:914:in `close_session''
> >     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/
> > action_controller/base.rb:372:in
> > `process_without_session_management_support''
> >     /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/
> > action_controller/session_management.rb:116:in `process''
> >     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/dispatcher.rb:38:in
> > `dispatch''
> >     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:
> > 117:in `handle_dispatch''
> >     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:
83:in
> > `service''
> >     /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service''
> >     /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''
> >     /usr/lib/ruby/1.8/webrick/server.rb:155:in `start_thread''
> >     /usr/lib/ruby/1.8/webrick/server.rb:144:in `start''
> >     /usr/lib/ruby/1.8/webrick/server.rb:144:in `start_thread''
> >     /usr/lib/ruby/1.8/webrick/server.rb:94:in `start''
> >     /usr/lib/ruby/1.8/webrick/server.rb:89:in `each''
> >     /usr/lib/ruby/1.8/webrick/server.rb:89:in `start''
> >     /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
> >     /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
> >     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:
69:in
> > `dispatch''
> >     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/servers/
> > webrick.rb:59
> >     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
> > `require__''
> >     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in 
`require''
> >     /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/
> > active_support/dependencies.rb:214:in `require''
> >     /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28
> >     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
> > `require__''
> >     /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in 
`require''
> >     /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/
> > active_support/dependencies.rb:214:in `require''
> >     ./script/server:3
> >
> >
> > _______________________________________________
> > Rails mailing list
> > Rails@lists.rubyonrails.org
> > http://lists.rubyonrails.org/mailman/listinfo/rails
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>

Ben Munat

2006-Feb-13 20:22 UTC

head link

[Rails] TypeError

Wow, that''s weird... why''s that? I knew threads and resources
could be serialized, but anything with a singleton method?
Oh wait, I guess that makes sense because once you''ve added a the
method to the instance it no longer meets the class
definition. Right?

b

Kent Sibilev wrote:> Don''t store into session objects that have singlton methods:
> 
> $ irb
> irb(main):001:0> o = Object.new
> => #<Object:0x356838>
> irb(main):002:0> def o.test; puts ''test'' end
> => nil
> irb(main):003:0> Marshal.d
> Marshal.display  Marshal.dup      Marshal.dump
> irb(main):003:0> Marshal.dump(o)
> TypeError: singleton can''t be dumped
>         from (irb):3:in `dump''
>         from (irb):3:in `binding''
>         from :0
> irb(main):004:0>
> 
> Kent.
> 
> On 2/13/06, Ben Munat <bent@munat.com> wrote:
> 
>>Something in the session can''t be serialized?
>>
>>b
>>
>>Peter Brown wrote:
>>
>>>What might cause this error?
>>>
>>>TypeError (singleton can''t be dumped):
>>>    /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
>>>    /usr/lib/ruby/1.8/pstore.rb:159:in `dump''
>>>    /usr/lib/ruby/1.8/pstore.rb:138:in `transaction''
>>>    /usr/lib/ruby/1.8/cgi/session/pstore.rb:90:in `update''
>>>    /usr/lib/ruby/1.8/cgi/session/pstore.rb:97:in `close''
>>>    /usr/lib/ruby/1.8/cgi/session.rb:330:in `close''
>>>    /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/
>>>action_controller/base.rb:914:in `close_session''
>>>    /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/
>>>action_controller/base.rb:372:in
>>>`process_without_session_management_support''
>>>    /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/
>>>action_controller/session_management.rb:116:in `process''
>>>    /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/dispatcher.rb:38:in
>>>`dispatch''
>>>    /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:
>>>117:in `handle_dispatch''
>>>    /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:
83:in
>>>`service''
>>>    /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in
`service''
>>>    /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:155:in
`start_thread''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:144:in `start''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:144:in
`start_thread''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:94:in `start''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:89:in `each''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:89:in `start''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
>>>    /usr/lib/ruby/1.8/webrick/server.rb:79:in `start''
>>>    /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:
69:in
>>>`dispatch''
>>>    /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/servers/
>>>webrick.rb:59
>>>    /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
>>>`require__''
>>>    /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in 
`require''
>>>    /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/
>>>active_support/dependencies.rb:214:in `require''
>>>   
/usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28
>>>    /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
>>>`require__''
>>>    /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in 
`require''
>>>    /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/
>>>active_support/dependencies.rb:214:in `require''
>>>    ./script/server:3
>>>
>>>
>>>_______________________________________________
>>>Rails mailing list
>>>Rails@lists.rubyonrails.org
>>>http://lists.rubyonrails.org/mailman/listinfo/rails
>>
>>_______________________________________________
>>Rails mailing list
>>Rails@lists.rubyonrails.org
>>http://lists.rubyonrails.org/mailman/listinfo/rails
>>
> 
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails

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