diff --git a/app/models/error_report.rb b/app/models/error_report.rb
index f2773d0..eff1ead 100644
--- a/app/models/error_report.rb
+++ b/app/models/error_report.rb
@@ -44,19 +44,30 @@ class ErrorReport
       :user_attributes => user_attributes,
       :framework => framework
     )
+    error.notices << notice
+    notice
+  end
 
-    err = app.find_or_create_err!(
+  ##
+  # Error associate to this error_report
+  #
+  # Can already exist or not
+  #
+  # @return [ Error ]
+  def error
+    @error ||= app.find_or_create_err!(
       :error_class => error_class,
       :component => component,
       :action => action,
       :environment => rails_env,
-      :fingerprint => fingerprint)
-
-    err.notices << notice
-    notice
+      :fingerprint => fingerprint
+    )
   end
 
   private
+
+
+
   def fingerprint_source
     # Find the first backtrace line with a file and line number.
     if line = backtrace.lines.detect {|l| l.number.present? && l.file.present? }
diff --git a/spec/controllers/notices_controller_spec.rb b/spec/controllers/notices_controller_spec.rb
index 5a96971..b9b5daa 100644
--- a/spec/controllers/notices_controller_spec.rb
+++ b/spec/controllers/notices_controller_spec.rb
@@ -24,13 +24,13 @@ describe NoticesController do
       response.body.should match(%r{<url[^>]*>(.+)#{locate_path(@notice.id)}</url>})
     end
 
-    it "should trnasform xml <va> tags to hashes correctly" do
+    it "should transform xml <va> tags to hashes correctly" do
       App.should_receive(:report_error!).with(@xml).and_return(@notice)
       request.should_receive(:raw_post).and_return(@xml)
       post :create, :format => :xml
 
       # XML: <var key="SCRIPT_NAME"/>
-      @notice.env_vars.should have_key('SCRIPT_NAME') 
+      @notice.env_vars.should have_key('SCRIPT_NAME')
       @notice.env_vars['SCRIPT_NAME'].should be_nil # blank ends up nil
 
       # XML representation:
diff --git a/spec/fixtures/hoptoad_test_notice_without_line_of_backtrace.xml b/spec/fixtures/hoptoad_test_notice_without_line_of_backtrace.xml
new file mode 100644
index 0000000..dafecc0
--- /dev/null
+++ b/spec/fixtures/hoptoad_test_notice_without_line_of_backtrace.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<notice version="2.0">
+  <api-key>APIKEY</api-key>
+  <notifier>
+    <name>Hoptoad Notifier</name>
+    <version>2.3.2</version>
+    <url>http://hoptoadapp.com</url>
+  </notifier>
+  <error>
+    <class>HoptoadTestingException</class>
+    <message>HoptoadTestingException: Testing hoptoad via "rake hoptoad:test". If you can see this, it works.</message>
+    <backtrace></backtrace>
+  </error>
+  <request>
+    <url>http://example.org/verify</url>
+    <component>application</component>
+    <action>verify</action>
+    <params>
+      <var key="action">verify</var>
+      <var key="controller">application</var>
+    </params>
+    <cgi-data>
+      <var key="rack.session"/>
+      <var key="action_dispatch.request.formats">text/html</var>
+      <var key="action_dispatch.request.parameters">
+        <var key="action">verify</var>
+        <var key="controller">application</var>
+      </var>
+      <var key="SERVER_NAME">example.org</var>
+      <var key="rack.url_scheme">http</var>
+      <var key="action_dispatch.remote_ip"/>
+      <var key="CONTENT_LENGTH">0</var>
+      <var key="rack.errors">#&lt;StringIO:0x103d9dec0&gt;</var>
+      <var key="action_dispatch.request.unsigned_session_cookie"/>
+      <var key="action_dispatch.request.query_parameters"/>
+      <var key="HTTPS">off</var>
+      <var key="rack.run_once">false</var>
+      <var key="PATH_INFO">/verify</var>
+      <var key="action_dispatch.secret_token">994f235e3372684bc736dd11842b754d2ddcffc8c2958d33a29527c3217becd6655fa4653a318bc7c34131f9baf2acc0c424ed07e48e0e5e87c6cd34d711e985</var>
+      <var key="rack.version">11</var>
+      <var key="SCRIPT_NAME"/>
+      <var key="action_dispatch.request.path_parameters">
+        <var key="action">verify</var>
+        <var key="controller">application</var>
+      </var>
+      <var key="rack.multithread">false</var>
+      <var key="action_dispatch.parameter_filter">password</var>
+      <var key="action_dispatch.cookies"/>
+      <var key="action_dispatch.request.request_parameters"/>
+      <var key="rack.multiprocess">true</var>
+      <var key="rack.request.query_hash"/>
+      <var key="SERVER_PORT">80</var>
+      <var key="REQUEST_METHOD">GET</var>
+      <var key="action_controller.instance">#&lt;ApplicationController:0x103d2f560&gt;</var>
+      <var key="rack.session.options">
+        <var key="secure">false</var>
+        <var key="httponly">true</var>
+        <var key="path">/</var>
+        <var key="expire_after"/>
+        <var key="domain"/>
+        <var key="id"/>
+      </var>
+      <var key="rack.input">#&lt;StringIO:0x103d9dc90&gt;</var>
+      <var key="action_dispatch.request.content_type"/>
+      <var key="rack.request.query_string"/>
+      <var key="QUERY_STRING"/>
+    </cgi-data>
+  </request>
+  <server-environment>
+    <project-root>/path/to/sample/project</project-root>
+    <environment-name>development</environment-name>
+  </server-environment>
+</notice>
diff --git a/spec/models/error_report_spec.rb b/spec/models/error_report_spec.rb
new file mode 100644
index 0000000..828de8c
--- /dev/null
+++ b/spec/models/error_report_spec.rb
@@ -0,0 +1,37 @@
+require 'spec_helper'
+
+describe ErrorReport do
+  context "with notice without line of backtrace" do
+    let(:xml){
+      Rails.root.join('spec','fixtures','hoptoad_test_notice_with_one_line_of_backtrace.xml').read
+    }
+
+    let(:error_report) {
+      ErrorReport.new(xml)
+    }
+
+    let(:app) {
+      Fabricate(
+        :app,
+        :api_key => 'APIKEY'
+      )
+    }
+
+    describe "#backtrace" do
+
+      it 'should have valid backtrace' do
+        error_report.backtrace.should be_valid
+      end
+    end
+
+    context "#generate_notice!" do
+      it "save a notice" do
+        expect {
+          error_report.generate_notice!
+        }.to change {
+          app.reload.problems.count
+        }.by(1)
+      end
+    end
+  end
+end
diff --git a/spec/requests/notices_controller_spec.rb b/spec/requests/notices_controller_spec.rb
new file mode 100644
index 0000000..5359e5d
--- /dev/null
+++ b/spec/requests/notices_controller_spec.rb
@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+describe "Notices management" do
+
+  let(:errbit_app) { Fabricate(:app,
+                       :api_key => 'APIKEY') }
+
+  describe "create a new notice" do
+    context "with valide notice" do
+      let(:xml) { Rails.root.join('spec','fixtures','hoptoad_test_notice.xml').read }
+      it 'save a new notice' do
+        expect {
+          post '/notifier_api/v2/notices', :data => xml
+          expect(response).to be_success
+        }.to change {
+          errbit_app.problems.count
+        }.by(1)
+      end
+    end
+
+    context "with notice with empty backtrace" do
+      let(:xml) { Rails.root.join('spec','fixtures','hoptoad_test_notice_without_line_of_backtrace.xml').read }
+      it 'save a new notice' do
+        expect {
+          post '/notifier_api/v2/notices', :data => xml
+          expect(response).to be_success
+        }.to change {
+          errbit_app.problems.count
+        }.by(1)
+      end
+    end
+
+  end
+
+end
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