HADOOP-19617 - [JDK17] Remove JUnit4 Dependency - HDFS Part1. (#7865)

* HADOOP-19617 - [JDK17] Remove JUnit4 Dependency - HDFS Part1.

Co-authored-by: Chris Nauroth <[email protected]>
Co-authored-by: Hualong Zhang <[email protected]>
Reviewed-by: Chris Nauroth <[email protected]>
Reviewed-by: Hualong Zhang <[email protected]>
Signed-off-by: Shilun Fan <[email protected]>

Author: 3 people

hadoop-hdfs-project/hadoop-hdfs-client/pom.xml

@@ -64,11 +64,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>jakarta.ws.rs-api</artifactId>
       <scope>compile</scope>
     </dependency>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-inline</artifactId>
@@ -148,11 +143,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>junit-platform-launcher</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.junit.vintage</groupId>
-      <artifactId>junit-vintage-engine</artifactId>
-      <scope>test</scope>
-    </dependency>
   </dependencies>
 
   <build>

hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml

@@ -42,11 +42,6 @@
   </properties>
 
   <dependencies>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-inline</artifactId>

hadoop-hdfs-project/hadoop-hdfs-native-client/pom.xml

@@ -72,11 +72,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>mockito-inline</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>
@@ -97,11 +92,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>junit-platform-launcher</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.junit.vintage</groupId>
-      <artifactId>junit-vintage-engine</artifactId>
-      <scope>test</scope>
-    </dependency>
   </dependencies>
 
   <build>

hadoop-hdfs-project/hadoop-hdfs-nfs/pom.xml

@@ -153,11 +153,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>jakarta.servlet-api</artifactId>
       <scope>compile</scope>
     </dependency>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-inline</artifactId>
@@ -193,11 +188,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>junit-jupiter-engine</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.junit.vintage</groupId>
-      <artifactId>junit-vintage-engine</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.junit.platform</groupId>
       <artifactId>junit-platform-launcher</artifactId>

hadoop-hdfs-project/hadoop-hdfs-rbf/pom.xml

@@ -121,11 +121,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <groupId>com.zaxxer</groupId>
       <artifactId>HikariCP</artifactId>
     </dependency>
-    <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-hdfs</artifactId>
@@ -187,11 +182,6 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>junit-jupiter-engine</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.junit.vintage</groupId>
-      <artifactId>junit-vintage-engine</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.junit.platform</groupId>
       <artifactId>junit-platform-launcher</artifactId>

hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterMountTableCacheRefresh.java

@@ -117,6 +117,11 @@ public void destroy() {
       }
     } catch (IOException e) {
       // do nothing
+    } finally {
+      cluster = null;
+      routerContext = null;
+      mountTableManager = null;
+      curatorTestingServer = null;
     }
   }