Public bug reported:

This is somewhat *similar* to bug# 460993 in where the exception gets
reported, but I think just different enough to warrant a separate bug
report.  Hopefully this will help triangulate the exact causes of lat's
instability.  Because of this and the bug sighted lat is basically
unusable.  Which is too bad because *good* LDAP Gui Admin tools are darn
hard to come by without shelling out some cash.  All I did to crash lat
was the following:

1.  define a 'Domain User' template, consisting of the following LDAP Classes: 
top, person, organizationalPerson, inetOrgPerson.
2.  navigate to the containing object for users, and attempt to create a new 
user record from that template.

> Le Pouffe < ... it crashes with this output:

lat [07483] INFO Starting lat (version 1.2.3)
Marshaling clicked signal
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle 
the exception.
System.Reflection.TargetInvocationException: Exception has been thrown by the 
target of an invocation. ---> System.Collections.Generic.KeyNotFoundException: 
The given key was not present in the dictionary.
  at 
System.Collections.Generic.Dictionary`2[System.String,System.String].get_Item 
(System.String key) [0x00000] in <filename unknown>:0 
  at lat.Template.GetAttributeDefaultValue (System.String attrName) [0x00000] 
in <filename unknown>:0 
  at lat.CreateEntryDialog.insertValues (System.String[] values, System.String 
valueType) [0x00000] in <filename unknown>:0 
  at lat.CreateEntryDialog.showAttributes () [0x00000] in <filename unknown>:0 
  at lat.CreateEntryDialog..ctor (lat.Connection connection, lat.Template 
theTemplate) [0x00000] in <filename unknown>:0 
  at lat.NewEntryDialog.OnOkClicked (System.Object o, System.EventArgs args) 
[0x00000] in <filename unknown>:0 
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke 
(System.Reflection.MonoMethod,object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags 
invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, 
System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags 
invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, 
System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] 
parameters) [0x00000] in <filename unknown>:0 
  at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in 
<filename unknown>:0 
  at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) 
[0x00000] in <filename unknown>:0 
  at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000] in 
<filename unknown>:0 
  at GLib.Signal.ClosureInvokedCB (System.Object o, GLib.ClosureInvokedArgs 
args) [0x00000] in <filename unknown>:0 
  at GLib.SignalClosure.Invoke (GLib.ClosureInvokedArgs args) [0x00000] in 
<filename unknown>:0 
  at GLib.SignalClosure.MarshalCallback (IntPtr raw_closure, IntPtr return_val, 
UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr 
marshal_data) [0x00000] in <filename unknown>:0 
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean 
is_terminal)
   at GLib.SignalClosure.MarshalCallback(IntPtr raw_closure, IntPtr return_val, 
UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr 
marshal_data)
   at Gtk.Dialog.gtk_dialog_run(IntPtr )
   at Gtk.Dialog.Run()
   at lat.NewEntryDialog..ctor(lat.Connection connection, System.String dn)
   at lat.LdapTreeView.OnNewEntryActivate(System.Object o, System.EventArgs 
args)
   at System.Reflection.MonoMethod.InternalInvoke(System.Reflection.MonoMethod 
, System.Object , System.Object[] , System.Exception ByRef )
   at System.Reflection.MonoMethod.Invoke(System.Object obj, BindingFlags 
invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, 
System.Globalization.CultureInfo culture)
   at System.Reflection.MethodBase.Invoke(System.Object obj, System.Object[] 
parameters)
   at System.Delegate.DynamicInvokeImpl(System.Object[] args)
   at System.MulticastDelegate.DynamicInvokeImpl(System.Object[] args)
   at System.Delegate.DynamicInvoke(System.Object[] args)
   at GLib.Signal.ClosureInvokedCB(System.Object o, GLib.ClosureInvokedArgs 
args)
   at GLib.SignalClosure.Invoke(GLib.ClosureInvokedArgs args)
   at GLib.SignalClosure.MarshalCallback(IntPtr raw_closure, IntPtr return_val, 
UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr 
marshal_data)
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Gnome.Program.Run()
   at LdapAdministrationTool.Main(System.String[] args)

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: lat 1.2.3-7.1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Fri Nov  4 18:09:37 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: lat
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: lat (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lat oneiric running-unity

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https://bugs.launchpad.net/bugs/886417

Title:
  Exception in Gtk# callback delegate when using standards compliant
  template

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