reject application scope config in dubbo 2.6
diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ConditionRoutesController.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ConditionRoutesController.java
index 1dd9650..c5ca576 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ConditionRoutesController.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ConditionRoutesController.java
@@ -20,7 +20,9 @@
 import org.apache.commons.lang3.StringUtils;
 import org.apache.dubbo.admin.common.exception.ParamValidationException;
 import org.apache.dubbo.admin.common.exception.ResourceNotFoundException;
+import org.apache.dubbo.admin.common.exception.VersionValidationException;
 import org.apache.dubbo.admin.model.dto.ConditionRouteDTO;
+import org.apache.dubbo.admin.service.ProviderService;
 import org.apache.dubbo.admin.service.RouteService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
@@ -34,10 +36,12 @@
 public class ConditionRoutesController {
 
     private final RouteService routeService;
+    private final ProviderService providerService;
 
     @Autowired
-    public ConditionRoutesController(RouteService routeService) {
+    public ConditionRoutesController(RouteService routeService, ProviderService providerService) {
         this.routeService = routeService;
+        this.providerService = providerService;
     }
 
     @RequestMapping(method = RequestMethod.POST)
@@ -48,6 +52,9 @@
         if (StringUtils.isEmpty(serviceName) && StringUtils.isEmpty(app)) {
             throw new ParamValidationException("serviceName and app is Empty!");
         }
+        if (StringUtils.isNotEmpty(app) && providerService.findVersionInApplication(app).equals("2.6")) {
+            throw new VersionValidationException("dubbo 2.6 does not support application scope routing rule");
+        }
         routeService.createConditionRoute(routeDTO);
         return true;
     }
@@ -118,4 +125,4 @@
         conditionRouteDTO.setKey(null);
         return conditionRouteDTO;
     }
-}
\ No newline at end of file
+}
diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/OverridesController.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/OverridesController.java
index fa57224..ac0eb6e 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/OverridesController.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/OverridesController.java
@@ -20,8 +20,10 @@
 import org.apache.commons.lang3.StringUtils;
 import org.apache.dubbo.admin.common.exception.ParamValidationException;
 import org.apache.dubbo.admin.common.exception.ResourceNotFoundException;
+import org.apache.dubbo.admin.common.exception.VersionValidationException;
 import org.apache.dubbo.admin.model.dto.OverrideDTO;
 import org.apache.dubbo.admin.service.OverrideService;
+import org.apache.dubbo.admin.service.ProviderService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
@@ -34,10 +36,12 @@
 public class OverridesController {
 
     private final OverrideService overrideService;
+    private final ProviderService providerService;
 
     @Autowired
-    public OverridesController(OverrideService overrideService) {
+    public OverridesController(OverrideService overrideService, ProviderService providerService) {
         this.overrideService = overrideService;
+        this.providerService = providerService;
     }
 
     @RequestMapping(method = RequestMethod.POST)
@@ -48,6 +52,9 @@
         if (StringUtils.isEmpty(serviceName) && StringUtils.isEmpty(application)) {
             throw new ParamValidationException("serviceName and application are Empty!");
         }
+        if (StringUtils.isNotEmpty(application) && providerService.findVersionInApplication(application).equals("2.6")) {
+            throw new VersionValidationException("dubbo 2.6 does not support application scope dynamic config");
+        }
         overrideService.saveOverride(overrideDTO);
         return true;
     }