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https://issues.apache.org/jira/browse/HDFS-17761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17938190#comment-17938190
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ASF GitHub Bot commented on HDFS-17761:
---------------------------------------

hfutatzhanghb commented on code in PR #7533:
URL: https://github.com/apache/hadoop/pull/7533#discussion_r2011948812


##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterNetworkTopologyServlet.java:
##########
@@ -24,33 +24,48 @@
 import org.apache.hadoop.hdfs.server.federation.StateStoreDFSCluster;
 import 
org.apache.hadoop.hdfs.server.federation.resolver.MultipleDestinationMountTableResolver;
 import org.apache.hadoop.io.IOUtils;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.extension.AfterAllCallback;
+import org.junit.jupiter.api.extension.BeforeEachCallback;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.extension.ExtensionContext;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
 
 import java.io.ByteArrayOutputStream;
+import java.lang.reflect.Method;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.Iterator;
 import java.util.Map;
 
 import static 
org.apache.hadoop.hdfs.server.federation.router.RBFConfigKeys.DFS_ROUTER_HTTP_ENABLE;
+import static 
org.apache.hadoop.hdfs.server.federation.router.TestRouterNetworkTopologyServlet.clusterNoDatanodes;
+import static 
org.apache.hadoop.hdfs.server.federation.router.TestRouterNetworkTopologyServlet.clusterWithDatanodes;
+import static 
org.apache.hadoop.hdfs.server.federation.router.TestRouterNetworkTopologyServlet.setUp;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 public class TestRouterNetworkTopologyServlet {
 
-  private static StateStoreDFSCluster clusterWithDatanodes;
-  private static StateStoreDFSCluster clusterNoDatanodes;
+  static StateStoreDFSCluster clusterWithDatanodes;
+  static StateStoreDFSCluster clusterNoDatanodes;

Review Comment:
   fixed, thanks.





> [ARR] RouterNetworkTopologyServlet adapts to async router rpc
> -------------------------------------------------------------
>
>                 Key: HDFS-17761
>                 URL: https://issues.apache.org/jira/browse/HDFS-17761
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: rbf
>            Reporter: farmmamba
>            Assignee: farmmamba
>            Priority: Major
>              Labels: pull-request-available
>
> [ARR] RouterNetworkTopologyServlet adapts to async router rpc



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