An established connection was aborted

[halostatue]

Originally submitted on 2010-05-18 by Tomas Valenta (Rubyforge user borland).

Hello,

I have a Rails app (MRI 1.8.7, Rails 2.3.5) where i included ActiveLdap (2.3.5, net-ldap 0.1.1) just to do simple searches
of users and groups. It works fine, however after some time of inactivity I get this error:

An established connection was aborted by the software in your host machine.

C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/net-ldap-0.1.1/lib/net/ldap.rb:1417:in `write'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/net-ldap-0.1.1/lib/net/ldap.rb:1417:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/net-ldap-0.1.1/lib/net/ldap.rb:1385:in `loop'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/net-ldap-0.1.1/lib/net/ldap.rb:1385:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/net_ldap.rb:141:in `send'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/net_ldap.rb:141:in `execute'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:659:in `log'
C:/Data/Tools/ruby/lib/ruby/1.8/benchmark.rb:308:in `realtime'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:659:in `log'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/net_ldap.rb:141:in `execute'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/net_ldap.rb:78:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:170:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:275:in `operation'
C:/Data/Tools/ruby/lib/ruby/1.8/timeout.rb:53:in `timeout'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/timeout_stub.rb:6:in `alarm'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:321:in `with_timeout'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:274:in `operation'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/base.rb:169:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/adapter/net_ldap.rb:66:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/operations.rb:65:in `search'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/operations.rb:282:in `find_every'
C:/Data/Tools/ruby/lib/ruby/gems/1.8/gems/activeldap-1.2.1/lib/active_ldap/operations.rb:226:in `find'
C:/Data/Devel/LDB/app/controllers/ldap_controller.rb:9:in `user'

I was not yet able to force reconnection or solve this problem. I am running on Windows XP with Mongrel, if that matters
in any way.

Can anyone post any suggestion how to solve this?

My code is simple as that:

@query = params[:query]
@ntlogin = params[:ntlogin]
if @query and @query.empty? == false
  @results = AdUser.find(:all, :attribute => 'cn', :value => @query)
elsif @ntlogin and @ntlogin.empty? == false
  @results = AdUser.find(:all, :attribute => 'sAMAccountName', :value => @ntlogin)
end

Thanks for any help

[halostatue]

Comment by Tomas Valenta on 2010-05-18:

I was also checking if there is any outgoing connection in Wireshark and I did not see any - so it seems like "internal" problem, not network related.

[halostatue]

Comment by Austin Ziegler on 2010-09-25:

Can you try to reproduce using Net::LDAP directly? I don't know what ActiveLDAP does behind the scenes.

[halostatue]

Comment by Tomas Valenta on 2010-09-27:

I was not able to further investigate the issue, but I replaced Net::LDAP with Ruby/LDAP which is also supported by ActiveLDAP and now it is working without problem.

Reproducing (and investigating) the issue is actually quite hard as it really happens only after some timeout of few minutes and this can be very time consuming to test.

[jch]

Closing this unless anyone has more concrete instructions on how to reproduce this issue.