keycloak-memoizeit

diff --git a/testsuite/integration-arquillian/tests/other/console/src/test/java/org/keycloak/testsuite/console/authorization/TimePolicyManagementTest.java b/testsuite/integration-arquillian/tests/other/console/src/test/java/org/keycloak/testsuite/console/authorization/TimePolicyManagementTest.java
index 9abc570..9f810c3 100644
--- a/testsuite/integration-arquillian/tests/other/console/src/test/java/org/keycloak/testsuite/console/authorization/TimePolicyManagementTest.java
+++ b/testsuite/integration-arquillian/tests/other/console/src/test/java/org/keycloak/testsuite/console/authorization/TimePolicyManagementTest.java
@@ -77,6 +77,13 @@ public class TimePolicyManagementTest extends AbstractAuthorizationSettingsTest 
         TimePolicy actual = authorizationPage.authorizationTabs().policies().name(expected.getName());
 
         assertPolicy(expected, actual);
+
+        expected.setNotBefore("");
+        expected.setNotOnOrAfter("");
+
+        authorizationPage.navigateTo();
+        authorizationPage.authorizationTabs().policies().update(expected.getName(), expected);
+        assertAlertSuccess();
     }
 
     @Test

diff --git a/themes/src/main/resources/theme/base/admin/resources/js/authz/authz-controller.js b/themes/src/main/resources/theme/base/admin/resources/js/authz/authz-controller.js
index 1120131..e61b014 100644
--- a/themes/src/main/resources/theme/base/admin/resources/js/authz/authz-controller.js
+++ b/themes/src/main/resources/theme/base/admin/resources/js/authz/authz-controller.js
@@ -1985,6 +1985,16 @@ module.controller('ResourceServerPolicyJSDetailCtrl', function($scope, $route, $
 });
 
 module.controller('ResourceServerPolicyTimeDetailCtrl', function($scope, $route, $location, realm, PolicyController, client) {
+
+    function clearEmptyStrings() {
+        if ($scope.policy.notBefore != undefined && $scope.policy.notBefore.trim() == '') {
+            $scope.policy.notBefore = null;
+        }
+        if ($scope.policy.notOnOrAfter != undefined && $scope.policy.notOnOrAfter.trim() == '') {
+            $scope.policy.notOnOrAfter = null;
+        }
+    }
+
     PolicyController.onInit({
         getPolicyType : function() {
             return "time";
@@ -2028,6 +2038,7 @@ module.controller('ResourceServerPolicyTimeDetailCtrl', function($scope, $route,
         },
 
         onUpdate : function() {
+            clearEmptyStrings();
             delete $scope.policy.config;
         },
 
@@ -2035,6 +2046,7 @@ module.controller('ResourceServerPolicyTimeDetailCtrl', function($scope, $route,
         },
 
         onCreate : function() {
+            clearEmptyStrings();
             delete $scope.policy.config;
         }
     }, realm, client, $scope);