Merged HEAD-BUG-FIX (5.1/Cloud) to HEAD (5.1/Cloud)

104860: Merged 5.0.N (5.0.2) to HEAD-BUG-FIX (5.1/Cloud)
      104812: Merged V4.2-BUG-FIX (4.2.5) to 5.0.N (5.0.2)
         104736: Merged DEV to V4.2-BUG-FIX (4.2.5).
            103329: MNT-13907: CMIS Bulk Update Properties will fail if number of worker threads is 1.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@104883 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/opencmis/AlfrescoCmisServiceImpl.java

@@ -1795,6 +1795,7 @@ public class AlfrescoCmisServiceImpl extends AbstractCmisService implements Alfr
             public void beforeProcess() throws Throwable
             {
                 // Authentication
+                AuthenticationUtil.pushAuthentication();
                 AuthenticationUtil.setFullyAuthenticatedUser(runAsUser);
             }
 
@@ -1802,7 +1803,7 @@ public class AlfrescoCmisServiceImpl extends AbstractCmisService implements Alfr
             public void afterProcess() throws Throwable
             {
                 // Clear authentication
-                AuthenticationUtil.clearCurrentSecurityContext();
+                AuthenticationUtil.popAuthentication();
             }
         };