diff --git a/actionwebservice/CHANGELOG b/actionwebservice/CHANGELOG
index ebbb975501c5e..9f6abfdc5d137 100644
--- a/actionwebservice/CHANGELOG
+++ b/actionwebservice/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fix soap type registration of multidimensional arrays (#4232)
+
 * Fix that marshaler couldn't handle ActiveRecord models defined in a different namespace (#2392).
 
 * Fix that marshaler couldn't handle structs with members of ActiveRecord type (#1889).
diff --git a/actionwebservice/lib/action_web_service/protocol/soap_protocol/marshaler.rb b/actionwebservice/lib/action_web_service/protocol/soap_protocol/marshaler.rb
index fa917ad4a548d..351c9da1593b6 100644
--- a/actionwebservice/lib/action_web_service/protocol/soap_protocol/marshaler.rb
+++ b/actionwebservice/lib/action_web_service/protocol/soap_protocol/marshaler.rb
@@ -40,32 +40,25 @@ def ruby_to_soap(obj)
         def register_type(type)
           return @type2binding[type] if @type2binding.has_key?(type)
 
-          type_class = type.array?? type.element_type.type_class : type.type_class
-          type_type = type.array?? type.element_type : type
-          type_binding = nil
-          if (mapping = @registry.find_mapped_soap_class(type_class) rescue nil)
-            qname = mapping[2] ? mapping[2][:type] : nil
-            qname ||= soap_base_type_name(mapping[0])
-            type_binding = SoapBinding.new(self, qname, type_type, mapping)
-          else
-            qname = XSD::QName.new(@namespace, soap_type_name(type_class.name))
-            @registry.add(type_class,
-                          SOAP::SOAPStruct,
-                          typed_struct_factory(type_class),
-                          { :type => qname })
-            mapping = @registry.find_mapped_soap_class(type_class)
-            type_binding = SoapBinding.new(self, qname, type_type, mapping)
-          end
-
-          array_binding = nil
           if type.array?
             array_mapping = @registry.find_mapped_soap_class(Array)
             qname = XSD::QName.new(@namespace, soap_type_name(type.element_type.type_class.name) + 'Array')
-            array_binding = SoapBinding.new(self, qname, type, array_mapping, type_binding)
+            element_type_binding = register_type(type.element_type)
+            @type2binding[type] = SoapBinding.new(self, qname, type, array_mapping, element_type_binding)
+          elsif (mapping = @registry.find_mapped_soap_class(type.type_class) rescue nil)
+            qname = mapping[2] ? mapping[2][:type] : nil
+            qname ||= soap_base_type_name(mapping[0])
+            @type2binding[type] = SoapBinding.new(self, qname, type, mapping)
+          else
+            qname = XSD::QName.new(@namespace, soap_type_name(type.type_class.name))
+            @registry.add(type.type_class,
+              SOAP::SOAPStruct,
+              typed_struct_factory(type.type_class),
+              { :type => qname })
+            mapping = @registry.find_mapped_soap_class(type.type_class)
+            @type2binding[type] = SoapBinding.new(self, qname, type, mapping)
           end
 
-          @type2binding[type] = array_binding ? array_binding : type_binding
-          
           if type.structured?
             type.each_member do |m_name, m_type|
               register_type(m_type)
diff --git a/actionwebservice/test/abstract_client.rb b/actionwebservice/test/abstract_client.rb
index c5484b6b62253..5207d8ef21c88 100644
--- a/actionwebservice/test/abstract_client.rb
+++ b/actionwebservice/test/abstract_client.rb
@@ -34,6 +34,10 @@ class WithModel < ActionWebService::Struct
     member :user, User
     member :users, [User]
   end
+  
+  class WithMultiDimArray < ActionWebService::Struct
+    member :pref, [[:string]]
+  end
 
   class API < ActionWebService::API::Base
     api_method :void
@@ -48,6 +52,7 @@ class API < ActionWebService::API::Base
     api_method :user_return,          :returns => [User]
     api_method :with_model_return,    :returns => [WithModel]
     api_method :scoped_model_return,  :returns => [Accounting::User]
+    api_method :multi_dim_return,     :returns => [WithMultiDimArray]
   end
   
   class NullLogOut
@@ -124,6 +129,10 @@ def with_model_return
     def scoped_model_return
       Accounting::User.find(1)
     end
+    
+    def multi_dim_return
+      WithMultiDimArray.new :pref => [%w{pref1 value1}, %w{pref2 value2}]
+    end
   end
 
   class AbstractClientLet < WEBrick::HTTPServlet::AbstractServlet
diff --git a/actionwebservice/test/abstract_unit.rb b/actionwebservice/test/abstract_unit.rb
index 149f108c98c93..6862d222e48e4 100644
--- a/actionwebservice/test/abstract_unit.rb
+++ b/actionwebservice/test/abstract_unit.rb
@@ -29,3 +29,10 @@
 ActiveRecord::Base.connection
 
 Test::Unit::TestCase.fixture_path = "#{File.dirname(__FILE__)}/fixtures/"
+
+# restore default raw_post functionality
+class ActionController::TestRequest
+  def raw_post
+    super
+  end
+end
\ No newline at end of file
diff --git a/actionwebservice/test/client_soap_test.rb b/actionwebservice/test/client_soap_test.rb
index ee02d919a43c4..c03c24141f57d 100644
--- a/actionwebservice/test/client_soap_test.rb
+++ b/actionwebservice/test/client_soap_test.rb
@@ -142,4 +142,11 @@ def test_scoped_model_return
     assert_kind_of Accounting::User, scoped_model
     assert_equal 'Kent', scoped_model.name
   end
+  
+  def test_multi_dim_return
+    md_struct = @client.multi_dim_return
+    assert_kind_of Array, md_struct.pref
+    assert_equal 2, md_struct.pref.size
+    assert_kind_of Array, md_struct.pref[0]
+  end
 end
diff --git a/actionwebservice/test/client_xmlrpc_test.rb b/actionwebservice/test/client_xmlrpc_test.rb
index 8bb0fdffdcc3c..0abd5898d82d4 100644
--- a/actionwebservice/test/client_xmlrpc_test.rb
+++ b/actionwebservice/test/client_xmlrpc_test.rb
@@ -141,4 +141,11 @@ def test_scoped_model_return
     assert_kind_of Accounting::User, scoped_model
     assert_equal 'Kent', scoped_model.name
   end
+
+  def test_multi_dim_return
+    md_struct = @client.multi_dim_return
+    assert_kind_of Array, md_struct.pref
+    assert_equal 2, md_struct.pref.size
+    assert_kind_of Array, md_struct.pref[0]
+  end
 end