diff --git a/addons/base_status/base_stage.py b/addons/base_status/base_stage.py
index f5c9d779896..617af125215 100644
--- a/addons/base_status/base_stage.py
+++ b/addons/base_status/base_stage.py
@@ -359,9 +359,6 @@ class base_stage(object):
         """
         return ''
 
-    def find_subtype(self, cr, uid, ids, name, context=None):
-        return "mail.mt_comment"
-
     def stage_set_send_note(self, cr, uid, ids, stage_id, context=None):
         """ Send a notification when the stage changes. This method has
             to be overriden, because each document will have its particular
@@ -373,22 +370,19 @@ class base_stage(object):
     def case_open_send_note(self, cr, uid, ids, context=None):
         for id in ids:
             msg = _('%s has been <b>opened</b>.') % (self.case_get_note_msg_prefix(cr, uid, id, context=context))
-            xml_id = self.find_subtype(cr, uid, ids, context=context)
-            self.message_post(cr, uid, [id], body=msg, subtype=xml_id, context=context)
+            self.message_post(cr, uid, [id], body=msg, context=context)
         return True
 
     def case_close_send_note(self, cr, uid, ids, context=None):
         for id in ids:
             msg = _('%s has been <b>closed</b>.') % (self.case_get_note_msg_prefix(cr, uid, id, context=context))
-            xml_id = self.find_subtype(cr, uid, ids, context=context)
-            self.message_post(cr, uid, [id], body=msg, subtype=xml_id, context=context)
+            self.message_post(cr, uid, [id], body=msg, context=context)
         return True
 
     def case_cancel_send_note(self, cr, uid, ids, context=None):
         for id in ids:
             msg = _('%s has been <b>cancelled</b>.') % (self.case_get_note_msg_prefix(cr, uid, id, context=context))
-            xml_id = self.find_subtype(cr, uid, ids, context=context)
-            self.message_post(cr, uid, [id], body=msg, subtype=xml_id, context=context)
+            self.message_post(cr, uid, [id], body=msg, context=context)
         return True
 
     def case_pending_send_note(self, cr, uid, ids, context=None):
diff --git a/addons/hr/hr.py b/addons/hr/hr.py
index aac1f41574f..eafe5d09844 100644
--- a/addons/hr/hr.py
+++ b/addons/hr/hr.py
@@ -90,6 +90,7 @@ class hr_job(osv.osv):
 
     _name = "hr.job"
     _description = "Job Description"
+    _inherit = ['mail.thread']
     _columns = {
         'name': fields.char('Job Name', size=128, required=True, select=True),
         'expected_employees': fields.function(_no_of_employee, string='Total Employees',
diff --git a/addons/hr/hr_view.xml b/addons/hr/hr_view.xml
index 6253205eb7e..69567902763 100644
--- a/addons/hr/hr_view.xml
+++ b/addons/hr/hr_view.xml
@@ -362,6 +362,10 @@
                             <field name="requirements"/>
                         </div>
                     </sheet>
+                    <div class="oe_chatter">
+                        <field name="message_ids" widget="mail_thread"/>
+                        <field name="message_follower_ids" widget="mail_followers"/>
+                    </div>
                 </form>
             </field>
         </record>
diff --git a/addons/mail/mail_thread.py b/addons/mail/mail_thread.py
index 943bc5f0164..9f53b4c08b1 100644
--- a/addons/mail/mail_thread.py
+++ b/addons/mail/mail_thread.py
@@ -706,7 +706,7 @@ class mail_thread(osv.AbstractModel):
         """ Wrapper on message_subscribe, using users. If user_ids is not
             provided, subscribe uid instead. """
         if not user_ids:
-            user_ids = [uid]
+            return False
         partner_ids = [user.partner_id.id for user in self.pool.get('res.users').browse(cr, uid, user_ids, context=context)]
         return self.message_subscribe(cr, uid, ids, partner_ids, subtype_ids=subtype_ids, context=context)
 
@@ -719,8 +719,8 @@ class mail_thread(osv.AbstractModel):
             subtype_ids = subtype_obj.search(cr, uid, [('default', '=', True), '|', ('res_model', '=', self._name), ('res_model', '=', False)], context=context)
         # update the subscriptions
         fol_obj = self.pool.get('mail.followers')
-        fol_ids = fol_obj.search(cr, uid, [('res_model', '=', self._name), ('res_id', 'in', ids), ('partner_id', 'in', partner_ids)], context=context)
-        fol_obj.write(cr, uid, fol_ids, {'subtype_ids': [(6, 0, subtype_ids)]}, context=context)
+        fol_ids = fol_obj.search(cr, 1, [('res_model', '=', self._name), ('res_id', 'in', ids), ('partner_id', 'in', partner_ids)], context=context)
+        fol_obj.write(cr, 1, fol_ids, {'subtype_ids': [(6, 0, subtype_ids)]}, context=context)
         return True
 
     def message_unsubscribe_users(self, cr, uid, ids, user_ids=None, context=None):
diff --git a/addons/project/project.py b/addons/project/project.py
index 09f026f9f13..6b02a018293 100644
--- a/addons/project/project.py
+++ b/addons/project/project.py
@@ -1099,7 +1099,8 @@ class task(base_stage, osv.osv):
         task_record = self.browse(cr, uid, task_id, context=context)
         if task_record.project_id:
             project_follower_ids = [follower.id for follower in task_record.project_id.message_follower_ids]
-            self.message_subscribe(cr, uid, [task_id], project_follower_ids, context=context)
+            self.message_subscribe(cr, uid, [task_id], project_follower_ids, 
+                context=context)
         self._store_history(cr, uid, [task_id], context=context)
         self.create_send_note(cr, uid, [task_id], context=context)
         return task_id