diff --git a/docs/en/reference/events.rst b/docs/en/reference/events.rst
index 7922d3dfd..b38ba5819 100644
--- a/docs/en/reference/events.rst
+++ b/docs/en/reference/events.rst
@@ -323,7 +323,7 @@ XML would look something like this:
     <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                              /Users/robo/dev/php/Doctrine/doctrine-mapping.xsd">
+                              https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
         <entity name="User">
 
diff --git a/docs/en/reference/second-level-cache.rst b/docs/en/reference/second-level-cache.rst
index 62cc5d14f..c4ae4f0ee 100644
--- a/docs/en/reference/second-level-cache.rst
+++ b/docs/en/reference/second-level-cache.rst
@@ -310,7 +310,7 @@ Entity cache definition
     .. code-block:: xml
 
         <?xml version="1.0" encoding="utf-8"?>
-        <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+        <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
           <entity name="Country">
             <cache usage="READ_ONLY" region="my_entity_region" />
             <id name="id" type="integer" column="id">
@@ -386,7 +386,7 @@ It caches the primary keys of association and cache each element will be cached
     .. code-block:: xml
 
         <?xml version="1.0" encoding="utf-8"?>
-        <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+        <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
           <entity name="State">
 
             <cache usage="NONSTRICT_READ_WRITE" />
diff --git a/docs/en/reference/xml-mapping.rst b/docs/en/reference/xml-mapping.rst
index 5f0131527..f57ee461b 100644
--- a/docs/en/reference/xml-mapping.rst
+++ b/docs/en/reference/xml-mapping.rst
@@ -7,7 +7,7 @@ form of XML documents.
 The XML driver is backed by an XML Schema document that describes
 the structure of a mapping document. The most recent version of the
 XML Schema document is available online at
-`http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd <http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd>`_.
+`https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd <https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd>`_.
 In order to point to the latest version of the document of a
 particular stable release branch, just append the release number,
 i.e.: doctrine-mapping-2.0.xsd The most convenient way to work with
@@ -21,7 +21,7 @@ setup for the latest code in trunk.
     <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                       https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                              https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
         ...
 
@@ -107,7 +107,7 @@ of several common elements:
     <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                              http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                              https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
         <entity name="Doctrine\Tests\ORM\Mapping\User" table="cms_users">
 
@@ -768,7 +768,7 @@ entity relationship. You can define this in XML with the "association-key" attri
     <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                        http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                              https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
          <entity name="Application\Model\ArticleAttribute">
             <id name="article" association-key="true" />
diff --git a/docs/en/tutorials/composite-primary-keys.rst b/docs/en/tutorials/composite-primary-keys.rst
index 41f0cd88e..ef164c9db 100644
--- a/docs/en/tutorials/composite-primary-keys.rst
+++ b/docs/en/tutorials/composite-primary-keys.rst
@@ -63,7 +63,7 @@ and year of production as primary keys:
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                                  http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
             <entity name="VehicleCatalogue\Model\Car">
                 <id field="name" type="string" />
@@ -203,7 +203,7 @@ We keep up the example of an Article with arbitrary attributes, the mapping look
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
              <entity name="Application\Model\ArticleAttribute">
                 <id name="article" association-key="true" />
diff --git a/docs/en/tutorials/extra-lazy-associations.rst b/docs/en/tutorials/extra-lazy-associations.rst
index 456c8c1c5..4452d6890 100644
--- a/docs/en/tutorials/extra-lazy-associations.rst
+++ b/docs/en/tutorials/extra-lazy-associations.rst
@@ -65,7 +65,7 @@ switch to extra lazy as shown in these examples:
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                                  http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
             <entity name="Doctrine\Tests\Models\CMS\CmsGroup">
                 <!-- ... -->
diff --git a/docs/en/tutorials/getting-started.rst b/docs/en/tutorials/getting-started.rst
index 316fb5f76..718eac5df 100644
--- a/docs/en/tutorials/getting-started.rst
+++ b/docs/en/tutorials/getting-started.rst
@@ -303,7 +303,7 @@ but you only need to choose one.
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
               <entity name="Product" table="products">
                   <id name="id" type="integer">
@@ -843,7 +843,7 @@ the ``Product`` before:
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
             <entity name="Bug" table="bugs">
                 <id name="id" type="integer">
@@ -963,7 +963,7 @@ Finally, we'll add metadata mappings for the ``User`` entity.
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
              <entity name="User" table="users">
                  <id name="id" type="integer">
@@ -1504,7 +1504,7 @@ we have to adjust the metadata slightly.
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            http://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
               <entity name="Bug" table="bugs" repository-class="BugRepository">
 
diff --git a/docs/en/tutorials/working-with-indexed-associations.rst b/docs/en/tutorials/working-with-indexed-associations.rst
index a62d8b342..0381764be 100644
--- a/docs/en/tutorials/working-with-indexed-associations.rst
+++ b/docs/en/tutorials/working-with-indexed-associations.rst
@@ -107,7 +107,7 @@ The code and mappings for the Market entity looks like this:
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                                  http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
             <entity name="Doctrine\Tests\Models\StockExchange\Market">
                 <id name="id" type="integer">
@@ -193,7 +193,7 @@ here are the code and mappings for it:
         <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                                  http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                  https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
             <entity name="Doctrine\Tests\Models\StockExchange\Stock">
                 <id name="id" type="integer">
diff --git a/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php b/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
index 2d6bf1a73..60dabe973 100644
--- a/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
+++ b/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
@@ -44,7 +44,7 @@ class XmlExporter extends AbstractExporter
         $xml = new SimpleXmlElement('<?xml version="1.0" encoding="utf-8"?><doctrine-mapping ' .
             'xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" ' .
             'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ' .
-            'xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd" />');
+            'xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd" />');
 
         if ($metadata->isMappedSuperclass) {
             $root = $xml->addChild('mapped-superclass');
diff --git a/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.Person.dcm.xml b/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.Person.dcm.xml
index 6d151af12..ff0f103c4 100644
--- a/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.Person.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.Person.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\Models\OrnementalOrphanRemoval\Person" table="ornemental_orphan_removal_person">
         <id name="id" column="id">
             <generator strategy="NONE" />
diff --git a/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.PhoneNumber.dcm.xml b/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.PhoneNumber.dcm.xml
index 2e404254a..f56c918b4 100644
--- a/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.PhoneNumber.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Functional/xml/Doctrine.Tests.Models.OrnementalOrphanRemoval.PhoneNumber.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\Models\OrnementalOrphanRemoval\PhoneNumber" table="ornemental_orphan_removal_phone_number">
         <id name="id" column="id">
             <generator strategy="NONE" />
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/CatNoId.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/CatNoId.dcm.xml
index 6025d350f..3f2457bd3 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/CatNoId.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/CatNoId.dcm.xml
@@ -1,7 +1,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                         http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                         https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
   <entity name="CatNoId">
     <field name="can_has_cheezburgers" type="boolean" />
   </entity>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Book.orm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Book.orm.xml
index 8640c6f51..08e26406b 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Book.orm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Book.orm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                  https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                                      https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <mapped-superclass name="SocialLibrary\ReadBundle\Entity\Book">
         <id name="id" type="integer">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Novel.orm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Novel.orm.xml
index 43ce94285..5a6f3f89f 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Novel.orm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/DDC2429Novel.orm.xml
@@ -1,7 +1,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                         http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                         https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="SocialLibrary\ReadBundle\Entity\Novel" table="novel__novel" repository-class="SocialLibrary\ReadBundle\Repository\NovelRepository">
         <association-overrides>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsAddress.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsAddress.dcm.xml
index 7e7bd5aaa..e4b80346c 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsAddress.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsAddress.dcm.xml
@@ -1,7 +1,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                         http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                      https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\Models\CMS\CmsAddress" table="cms_users">
         
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsUser.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsUser.dcm.xml
index 122a45e6f..f91ed3115 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsUser.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.CMS.CmsUser.dcm.xml
@@ -3,8 +3,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\CMS\CmsUser" table="cms_users">
 
         <named-queries>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Cache.City.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Cache.City.dcm.xml
index 84b786a7b..415302d0a 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Cache.City.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Cache.City.dcm.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
   <entity name="Doctrine\Tests\Models\Cache\City" table="cache_city">
     <cache usage="READ_ONLY" />
     <id name="id" type="integer" column="id">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyContract.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyContract.dcm.xml
index 4fa0c23e1..b775e3ccc 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyContract.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyContract.dcm.xml
@@ -3,8 +3,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\Company\CompanyContract" table="company_contracts" inheritance-type="SINGLE_TABLE">
 
         <discriminator-map>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFixContract.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFixContract.dcm.xml
index bd1019d68..bfa5431fc 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFixContract.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFixContract.dcm.xml
@@ -3,8 +3,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\Company\CompanyFixContract">
 
         
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexContract.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexContract.dcm.xml
index 91ef0bb1c..21ca4238d 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexContract.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexContract.dcm.xml
@@ -3,8 +3,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\Company\CompanyFlexContract">
 
         <field name="hoursWorked" column="hoursWorked" type="integer"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexUltraContract.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexUltraContract.dcm.xml
index 729bdfda0..381e67571 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexUltraContract.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyFlexUltraContract.dcm.xml
@@ -3,8 +3,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\Company\CompanyFlexUltraContract">
 
         <entity-listeners>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyPerson.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyPerson.dcm.xml
index 2ddd88a32..d8db51073 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyPerson.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Company.CompanyPerson.dcm.xml
@@ -3,8 +3,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\Company\CompanyPerson" table="company_persons" inheritance-type="JOINED">
 
         <discriminator-map >
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC117.DDC117Translation.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC117.DDC117Translation.dcm.xml
index ec3bc74fd..019f201b0 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC117.DDC117Translation.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC117.DDC117Translation.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\Models\DDC117\DDC117Translation">
 
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC1476.DDC1476EntityWithDefaultFieldType.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC1476.DDC1476EntityWithDefaultFieldType.dcm.xml
index 29b5f1db5..fedfeada5 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC1476.DDC1476EntityWithDefaultFieldType.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC1476.DDC1476EntityWithDefaultFieldType.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\DDC1476\DDC1476EntityWithDefaultFieldType">
         <id name="id">
             <generator strategy="NONE"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.ExplicitSchemaAndTable.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.ExplicitSchemaAndTable.dcm.xml
index 11bb55706..57063fb6c 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.ExplicitSchemaAndTable.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.ExplicitSchemaAndTable.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd"
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd"
 >
     <entity name="Doctrine\Tests\Models\DDC2825\ExplicitSchemaAndTable" table="explicit_table" schema="explicit_schema">
         <id name="id" column="id">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.SchemaAndTableInTableName.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.SchemaAndTableInTableName.dcm.xml
index 3a89dd973..b520f626c 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.SchemaAndTableInTableName.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC2825.SchemaAndTableInTableName.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd"
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd"
 >
     <entity name="Doctrine\Tests\Models\DDC2825\SchemaAndTableInTableName" table="implicit_schema.implicit_table">
         <id name="id" column="id">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293Address.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293Address.dcm.xml
index 39c0f33b2..54fbae8b4 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293Address.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293Address.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <embeddable name="Doctrine\Tests\Models\DDC3293\DDC3293Address">
         <field name="street" type="string" />
         <field name="city" type="string" />
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293User.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293User.dcm.xml
index bf24c1fd6..c2d1e4491 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293User.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293User.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\Models\DDC3293\DDC3293User" table="user">
         <id name="id" column="id">
             <generator strategy="UUID" />
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293UserPrefixed.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293UserPrefixed.dcm.xml
index 1e0df304c..3988ab325 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293UserPrefixed.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3293.DDC3293UserPrefixed.dcm.xml
@@ -3,7 +3,7 @@
         xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                            https://raw.github.com/doctrine/doctrine2/master/doctrine-mapping.xsd">
+                            https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\Models\DDC3293\DDC3293UserPrefixed" table="user">
         <id name="id" column="id">
             <generator strategy="UUID" />
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579Admin.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579Admin.dcm.xml
index 1f9286706..00695adbb 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579Admin.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579Admin.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\Models\DDC3579\DDC3579Admin">
         <association-overrides>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579User.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579User.dcm.xml
index 3b6e213f1..a93fb6938 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579User.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC3579.DDC3579User.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <mapped-superclass name="Doctrine\Tests\Models\DDC3579\DDC3579User">
         <id name="id" type="integer" column="user_id" length="150">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934BaseContract.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934BaseContract.dcm.xml
index 78a5af6b8..078098131 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934BaseContract.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934BaseContract.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                        http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                      https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\Models\DDC5934\DDC5934BaseContract">
         <id name="id" type="integer">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934Contract.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934Contract.dcm.xml
index bba41b94e..4bd3f5af2 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934Contract.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC5934.DDC5934Contract.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                        http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                        https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\Models\DDC5934\DDC5934Contract">
         <association-overrides>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869ChequePayment.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869ChequePayment.dcm.xml
index 05e2540ef..fcc022f79 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869ChequePayment.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869ChequePayment.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
          
     <entity name="Doctrine\Tests\Models\DDC869\DDC869ChequePayment">
         <field name="serialNumber" column="serialNumber" type="string"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869CreditCardPayment.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869CreditCardPayment.dcm.xml
index daf01f034..bcd02647e 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869CreditCardPayment.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869CreditCardPayment.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-         
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\DDC869\DDC869CreditCardPayment">
         <field name="creditCardNumber" column="creditCardNumber" type="string"/>
     </entity>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869Payment.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869Payment.dcm.xml
index be9f760b9..90426f1b0 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869Payment.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC869.DDC869Payment.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
                               
     <mapped-superclass name="Doctrine\Tests\Models\DDC869\DDC869Payment" repository-class="Doctrine\Tests\Models\DDC869\DDC869PaymentRepository">
         <id name="id" type="integer" column="id">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Class.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Class.dcm.xml
index 4a8935c9a..86e041121 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Class.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Class.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-         
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <class name="Doctrine\Tests\Models\DDC889\DDC889Class">
         <id name="id" type="integer" column="id">
             <generator strategy="AUTO"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Entity.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Entity.dcm.xml
index 686bdbfc7..b366cbb60 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Entity.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889Entity.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-         
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\DDC889\DDC889Entity">
     </entity>
         
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889SuperClass.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889SuperClass.dcm.xml
index 48fa4fb83..4b174a393 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889SuperClass.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC889.DDC889SuperClass.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <mapped-superclass name="Doctrine\Tests\Models\DDC889\DDC889SuperClass">
         <field name="name" column="name" type="string"/>
     </mapped-superclass>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Admin.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Admin.dcm.xml
index f4bb4ebce..ea6e22fdb 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Admin.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Admin.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-         
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\DDC964\DDC964Admin">
         <association-overrides>
             <association-override name="groups">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Guest.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Guest.dcm.xml
index 561066f6b..5ad7a1e14 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Guest.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964Guest.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-         
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\Models\DDC964\DDC964Guest">
         <attribute-overrides>
             <attribute-override name="id">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964User.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964User.dcm.xml
index 68db74b48..83b878840 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964User.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.DDC964.DDC964User.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <mapped-superclass name="Doctrine\Tests\Models\DDC964\DDC964User">
         <id name="id" type="integer" column="user_id" length="150">
             <generator strategy="AUTO"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.GH7141.GH7141Article.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.GH7141.GH7141Article.dcm.xml
index e073f380f..34813ab7e 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.GH7141.GH7141Article.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.GH7141.GH7141Article.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                         http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                      https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\Models\GH7141\GH7141Article">
         <one-to-many field="tags" target-entity="NoTargetEntity" mapped-by="noMappedByField">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Generic.SerializationModel.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Generic.SerializationModel.dcm.xml
index 36af855f2..5974da264 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Generic.SerializationModel.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.Generic.SerializationModel.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="\stdClass">
         <id name="id" type="integer" column="id">
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Name.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Name.dcm.xml
index 97bb6a90e..0cb3aed27 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Name.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Name.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                      https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
   <embeddable name="Doctrine\Tests\Models\ValueObjects\Name">
     <field name="firstName"/>
     <field name="lastName"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Person.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Person.dcm.xml
index c2480bca7..687527038 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Person.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.Models.ValueObjects.Person.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                                      https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
   <entity name="Doctrine\Tests\Models\ValueObjects\Person">
     <id name="id" type="integer" column="id">
       <generator strategy="AUTO"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Animal.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Animal.dcm.xml
index a4c4e9bfd..8ad0e2a65 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Animal.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Animal.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\ORM\Mapping\Animal" inheritance-type="SINGLE_TABLE">
         <discriminator-column name="discr" type="string" length="32" />
         <discriminator-map>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.CTI.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.CTI.dcm.xml
index 14abaef73..b26ca1089 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.CTI.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.CTI.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\ORM\Mapping\CTI" inheritance-type="JOINED">
         <discriminator-column name="discr" type="string" length="60"/>
         <discriminator-map>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Comment.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Comment.dcm.xml
index 8f02ca852..e83232f1a 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Comment.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.Comment.dcm.xml
@@ -3,7 +3,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\ORM\Mapping\Comment">
 
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC1170Entity.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC1170Entity.dcm.xml
index 9f5ad7fac..a77f2e1bc 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC1170Entity.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC1170Entity.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\ORM\Mapping\DDC1170Entity">
         <id name="id" column-definition="INT unsigned NOT NULL">
             <generator strategy="NONE"/>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC807Entity.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC807Entity.dcm.xml
index 82711dc2f..9a3375234 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC807Entity.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.DDC807Entity.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\ORM\Mapping\DDC807Entity" inheritance-type="SINGLE_TABLE">
         <discriminator-column name="dtype" column-definition="ENUM('ONE','TWO')"/>
         
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityIncompleteDiscriminatorColumnMapping.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityIncompleteDiscriminatorColumnMapping.dcm.xml
index 5dffe178d..af274cdaf 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityIncompleteDiscriminatorColumnMapping.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityIncompleteDiscriminatorColumnMapping.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\ORM\Mapping\SingleTableEntityIncompleteDiscriminatorColumnMapping" inheritance-type="SINGLE_TABLE">
         <discriminator-column name="dtype" />
 
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityNoDiscriminatorColumnMapping.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityNoDiscriminatorColumnMapping.dcm.xml
index 3e03f4498..8f2854550 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityNoDiscriminatorColumnMapping.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.SingleTableEntityNoDiscriminatorColumnMapping.dcm.xml
@@ -2,8 +2,8 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
-                              
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+
     <entity name="Doctrine\Tests\ORM\Mapping\SingleTableEntityNoDiscriminatorColumnMapping" inheritance-type="SINGLE_TABLE">
         <discriminator-map>
             <discriminator-mapping value="ONE" class="SingleTableEntityNoDiscriminatorColumnMappingSub1" />
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.User.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.User.dcm.xml
index bbf29aeaf..1fa061263 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.User.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.User.dcm.xml
@@ -3,7 +3,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\ORM\Mapping\User" table="cms_users">
         <options>
diff --git a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.XMLSLC.dcm.xml b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.XMLSLC.dcm.xml
index ca8092b50..1dec40d7f 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.XMLSLC.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Mapping/xml/Doctrine.Tests.ORM.Mapping.XMLSLC.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Doctrine\Tests\ORM\Mapping\XMLSLC">
         <cache usage="NONSTRICT_READ_WRITE" />
         <id name="foo" association-key="true"/>
diff --git a/tests/Doctrine/Tests/ORM/Tools/Export/XmlClassMetadataExporterTest.php b/tests/Doctrine/Tests/ORM/Tools/Export/XmlClassMetadataExporterTest.php
index 424412882..4ee7afa8f 100644
--- a/tests/Doctrine/Tests/ORM/Tools/Export/XmlClassMetadataExporterTest.php
+++ b/tests/Doctrine/Tests/ORM/Tools/Export/XmlClassMetadataExporterTest.php
@@ -52,7 +52,7 @@ class XmlClassMetadataExporterTest extends AbstractClassMetadataExporterTest
 <doctrine-mapping
     xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd"
+    xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd"
 >
   <entity name="entityTest">
     <id name="id" type="integer" column="id">
@@ -89,7 +89,7 @@ XML;
 
         $expectedFileContent = <<<'XML'
 <?xml version="1.0" encoding="utf-8"?>
-<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
   <entity name="entityTest">
     <field name="myField" type="string" column="my_field">
       <options>
diff --git a/tests/Doctrine/Tests/ORM/Tools/Export/xml/Doctrine.Tests.ORM.Tools.Export.User.dcm.xml b/tests/Doctrine/Tests/ORM/Tools/Export/xml/Doctrine.Tests.ORM.Tools.Export.User.dcm.xml
index 78bac4f5f..4092c8574 100644
--- a/tests/Doctrine/Tests/ORM/Tools/Export/xml/Doctrine.Tests.ORM.Tools.Export.User.dcm.xml
+++ b/tests/Doctrine/Tests/ORM/Tools/Export/xml/Doctrine.Tests.ORM.Tools.Export.User.dcm.xml
@@ -3,7 +3,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Doctrine\Tests\ORM\Tools\Export\User" table="cms_users">
         <options>
diff --git a/tools/sandbox/xml/Entities.Address.dcm.xml b/tools/sandbox/xml/Entities.Address.dcm.xml
index 7e8dd0183..92475ed23 100644
--- a/tools/sandbox/xml/Entities.Address.dcm.xml
+++ b/tools/sandbox/xml/Entities.Address.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                    http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Entities\Address" table="addresses">
         <id name="id" type="integer">
diff --git a/tools/sandbox/xml/Entities.User.dcm.xml b/tools/sandbox/xml/Entities.User.dcm.xml
index e548fd1a7..4fe7e4c4a 100644
--- a/tools/sandbox/xml/Entities.User.dcm.xml
+++ b/tools/sandbox/xml/Entities.User.dcm.xml
@@ -2,7 +2,7 @@
 <doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
-                    http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
+                          https://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
 
     <entity name="Entities\User" table="users">
         <id name="id" type="integer">