Rails app on Glassfish Gem - Cookie Session Store & Flash
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Key: JRUBY-4250
URL: http://jira.codehaus.org/browse/JRUBY-4250
Project: JRuby
Issue Type: Bug
Components: Application Error, OpenSSL
Affects Versions: JRuby 1.4
Environment: Jruby 1.4.0, Rails 2.3.4, Glassfish Gem 0.9.5 (Same issue
on Windows [Java 1.6.0_16-b01] and Linux [Java 1.6.0_12])
Reporter: Jarred Nicholls
I switched to JRuby and started to experience this issue: I store a very
lightweight activerecord object into the flash store sometimes (please hold
back the flames, this bug shouldn't occur regardless) when reloading a form
after a record fails validation. After the first ActiveRecord object is stored
into the flash, I start to receive this error indefinitely (anytime I access
the flash):
The error occurred while evaluating nil.[]
C:/jruby-1.4.0/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/flash.rb:111:in
sweep'
C:/jruby-1.4.0/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/flash.rb:110:ineach'
C:/jruby-1.4.0/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/flash.rb:110:in
sweep'
C:/jruby-1.4.0/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/flash.rb:164:inflash'
I looked at that line and it's accessing an instance variable of FlashHash
named "@used", which stores all the used flash keys. That instance variable is
nil on every request after storing an activerecord object into the flash hash.
Now, it might be a session store issue as I am using the cookie store (I
haven't tried other stores yet).
I'm thinking maybe JRuby and JRuby-OpenSSL is having problems dealing with
serializing and deserializing activerecord objects in the cookie store? Anyone
ever ran into this problem? If I delete my session cookie, the problem goes
away until the next storage of an activerecord object into the flash. But, I
tested a partially filled object and it worked fine, it's only when it's
storing a particular makeup of an object. The issue doesn't exist in MRI Ruby,
so it's definitely something with JRuby and possibly OpenSSL HMAC digest.
I was very excited to commit to JRuby for true multithreading, but I will go
back to trying to make 1.9 SVN work :-P
Thanks,
Jarred
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