Index: test/functional/account_controller_test.rb
===================================================================
--- test/functional/account_controller_test.rb	(revision 2835)
+++ test/functional/account_controller_test.rb	(working copy)
@@ -37,7 +37,19 @@
     assert_template 'show'
     assert_not_nil assigns(:user)
   end
+
+  def test_show_should_not_fail_when_custom_values_are_nil
+    user = User.find(2)
+
+    # Create a custom field to illustrate the issue
+    custom_field = CustomField.create!(:name => 'Testing', :field_format => 'text')
+    custom_value = user.custom_values.build(:custom_field => custom_field).save!
+
+    get :show, :id => 2
+    assert_response :success
+  end
   
+
   def test_show_inactive
     get :show, :id => 5
     assert_response 404
Index: test/functional/projects_controller_test.rb
===================================================================
--- test/functional/projects_controller_test.rb	(revision 2835)
+++ test/functional/projects_controller_test.rb	(working copy)
@@ -161,6 +161,16 @@
     assert_equal Project.find_by_identifier('ecookbook'), assigns(:project)
   end
   
+  def test_show_should_not_fail_when_custom_values_are_nil
+    project = Project.find_by_identifier('ecookbook')
+    project.custom_values.first.update_attribute(:value, nil)
+    get :show, :id => 'ecookbook'
+    assert_response :success
+    assert_template 'show'
+    assert_not_nil assigns(:project)
+    assert_equal Project.find_by_identifier('ecookbook'), assigns(:project)
+  end
+  
   def test_private_subprojects_hidden
     get :show, :id => 'ecookbook'
     assert_response :success
Index: app/views/projects/show.rhtml
===================================================================
--- app/views/projects/show.rhtml	(revision 2835)
+++ app/views/projects/show.rhtml	(working copy)
@@ -9,7 +9,7 @@
 	    <%= @subprojects.collect{|p| link_to(h(p), :action => 'show', :id => p)}.join(", ") %></li>
   <% end %>
 	<% @project.custom_values.each do |custom_value| %>
-	<% if !custom_value.value.empty? %>
+	<% if !(custom_value.value || '').empty? %>
 	   <li><%= custom_value.custom_field.name%>: <%=h show_value(custom_value) %></li>
 	<% end %>
 	<% end %>
Index: app/views/account/show.rhtml
===================================================================
--- app/views/account/show.rhtml	(revision 2835)
+++ app/views/account/show.rhtml	(working copy)
@@ -10,7 +10,7 @@
 		<li><%=l(:field_mail)%>: <%= mail_to(h(@user.mail), nil, :encode => 'javascript') %></li>
 	<% end %>
 	<% for custom_value in @custom_values %>
-	<% if !custom_value.value.empty? %>
+	<% if !(custom_value.value || '').empty? %>
     <li><%=h custom_value.custom_field.name%>: <%=h show_value(custom_value) %></li>
 	<% end %>
 	<% end %>