YARN-11349. Fix CheckStyle.

Author: slfan1989

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/SQLFederationStateStore.java

@@ -1869,7 +1869,7 @@ public RouterRMTokenResponse getTokenByRouterStoreToken(RouterRMTokenRequest req
       // 3) OUT token_OUT varchar(1024)
       cstmt.registerOutParameter("token_OUT", java.sql.Types.VARCHAR);
       // 4) OUT renewDate_OUT bigint
-      cstmt.registerOutParameter("renewDate_OUT", Types.BIGINT);
+      cstmt.registerOutParameter("renewDate_OUT", java.sql.Types.BIGINT);
 
       // Execute the query
       long startTime = clock.getTime();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/utils/FederationStateStoreFacade.java

@@ -47,7 +47,6 @@
 import org.apache.hadoop.io.retry.RetryPolicies;
 import org.apache.hadoop.io.retry.RetryPolicy;
 import org.apache.hadoop.io.retry.RetryProxy;
-import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.DelegationTokenInformation;
 import org.apache.hadoop.security.token.delegation.DelegationKey;
 import org.apache.hadoop.util.ReflectionUtils;
 import org.apache.hadoop.yarn.api.records.ApplicationId;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/test/java/org/apache/hadoop/yarn/server/federation/store/impl/TestSQLFederationStateStore.java

@@ -17,7 +17,6 @@
 
 package org.apache.hadoop.yarn.server.federation.store.impl;
 
-import org.apache.commons.lang3.NotImplementedException;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.test.LambdaTestUtils;
 import org.apache.hadoop.util.Time;