YARN-8374. Upgrade objenesis to 2.6 (#1798)

LICENSE-binary

@@ -346,7 +346,7 @@ org.eclipse.jetty.websocket:javax-websocket-client-impl:9.3.27.v20190418
 org.eclipse.jetty.websocket:javax-websocket-server-impl:9.3.27.v20190418
 org.ehcache:ehcache:3.3.1
 org.lz4:lz4-java:1.6.0
-org.objenesis:objenesis:1.0:compile
+org.objenesis:objenesis:2.6
 org.xerial.snappy:snappy-java:1.0.5
 org.yaml:snakeyaml:1.16:
 org.wildfly.openssl:wildfly-openssl:1.0.7.Final

hadoop-project/pom.xml

@@ -1148,7 +1148,7 @@
       <dependency>
         <groupId>org.objenesis</groupId>
         <artifactId>objenesis</artifactId>
-        <version>1.0</version>
+        <version>2.6</version>
       </dependency>
       <dependency>
         <groupId>org.mock-server</groupId>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/pom.xml

@@ -160,11 +160,6 @@
       <artifactId>leveldbjni-all</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>org.objenesis</groupId>
-      <artifactId>objenesis</artifactId>
-    </dependency>
-
     <!-- 'mvn dependency:analyze' fails to detect use of this dependency -->
     <dependency>
       <groupId>org.apache.hadoop</groupId>
@@ -194,10 +189,6 @@
           <groupId>org.javassist</groupId>
           <artifactId>javassist</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>org.objenesis</groupId>
-          <artifactId>objenesis</artifactId>
-        </exclusion>
       </exclusions>
     </dependency>
   </dependencies>