Rails 2.2.2 session is failing in pstore using file_field_tag

When I try to upload a file using the file_field_tag I get the
following exception (top 10 lines in the stack shown):

/!\ FAILSAFE /!\ Tue Dec 09 17:11:12 -0500 2008
Status: 500 Internal Server Error
End of file reached
/usr/local/lib/jruby-1.1.5/lib/ruby/1.8/pstore.rb:355:in load' /usr/local/lib/jruby-1.1.5/lib/ruby/1.8/pstore.rb:355:inload’
/usr/local/lib/jruby-1.1.5/lib/ruby/1.8/pstore.rb:310:in
transaction' /usr/local/lib/jruby-1.1.5/lib/ruby/gems/1.8/gems/actionpack-2.2.2/ lib/action_controller/cgi_ext/session.rb:48:ininitialize’
/usr/local/lib/jruby-1.1.5/lib/ruby/1.8/cgi/session.rb:273:in
initialize' /usr/local/lib/jruby-1.1.5/lib/ruby/gems/1.8/gems/actionpack-2.2.2/ lib/action_controller/cgi_ext/session.rb:19:ininitialize’
/usr/local/lib/jruby-1.1.5/lib/ruby/gems/1.8/gems/actionpack-2.2.2/
lib/action_controller/cgi_process.rb:94:in session' /usr/local/lib/jruby-1.1.5/lib/ruby/gems/1.8/gems/actionpack-2.2.2/ lib/action_controller/cgi_process.rb:130:instale_session_check!’
/usr/local/lib/jruby-1.1.5/lib/ruby/gems/1.8/gems/actionpack-2.2.2/
lib/action_controller/cgi_process.rb:78:in `session’

The problem appears to be in the temp session file in RAILS/tmp/
session; if I try to load it using Marshal::load(filename) I get a
“Marshal data too short” error. I can store other values in the
session without any problems. Any ideas on what I can do to get
around this?

Rails 2.2.2
Mongrel 1.1.5
JRuby 1.1.5
Ubuntu (hardy)

Much appreciated.

This forum is not affiliated to the Ruby language, Ruby on Rails framework, nor any Ruby applications discussed here.

| Privacy Policy | Terms of Service | Remote Ruby Jobs