MAPREDUCE-6921. TestUmbilicalProtocolWithJobToken#testJobTokenRpc fails.

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/security/TestUmbilicalProtocolWithJobToken.java

@@ -29,12 +29,10 @@ import static org.mockito.Mockito.doReturn;
 import java.net.InetSocketAddress;
 import java.security.PrivilegedExceptionAction;
 
-import org.apache.commons.logging.*;
-import org.apache.commons.logging.impl.Log4JLogger;
-
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.Text;
 
+import org.apache.hadoop.test.GenericTestUtils;
 import org.apache.hadoop.ipc.Client;
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.ipc.Server;
@@ -49,9 +47,10 @@ import org.apache.hadoop.security.SaslRpcClient;
 import org.apache.hadoop.security.SaslRpcServer;
 import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
-
-import org.apache.log4j.Level;
+import org.slf4j.Logger;
+import org.slf4j.event.Level;
 import org.junit.Test;
+import static org.slf4j.LoggerFactory.getLogger;
 
 /** Unit tests for using Job Token over RPC. 
  * 
@@ -62,8 +61,7 @@ import org.junit.Test;
 public class TestUmbilicalProtocolWithJobToken {
   private static final String ADDRESS = "0.0.0.0";
 
-  public static final Log LOG = LogFactory
-      .getLog(TestUmbilicalProtocolWithJobToken.class);
+  public static final Logger LOG = getLogger(TestUmbilicalProtocolWithJobToken.class);
 
   private static Configuration conf;
   static {
@@ -73,11 +71,11 @@ public class TestUmbilicalProtocolWithJobToken {
   }
 
   static {
-    ((Log4JLogger) Client.LOG).getLogger().setLevel(Level.ALL);
-    ((Log4JLogger) Server.LOG).getLogger().setLevel(Level.ALL);
-    ((Log4JLogger) SaslRpcClient.LOG).getLogger().setLevel(Level.ALL);
-    ((Log4JLogger) SaslRpcServer.LOG).getLogger().setLevel(Level.ALL);
-    ((Log4JLogger) SaslInputStream.LOG).getLogger().setLevel(Level.ALL);
+    GenericTestUtils.setLogLevel(Client.LOG, Level.TRACE);
+    GenericTestUtils.setLogLevel(Server.LOG, Level.TRACE);
+    GenericTestUtils.setLogLevel(SaslRpcClient.LOG, Level.TRACE);
+    GenericTestUtils.setLogLevel(SaslRpcServer.LOG, Level.TRACE);
+    GenericTestUtils.setLogLevel(SaslInputStream.LOG, Level.TRACE);
   }
 
   @Test