RogPodge commented on a change in pull request #1399: HADOOP-16543: Cached DNS name resolution error URL: https://github.com/apache/hadoop/pull/1399#discussion_r325903846
########## File path: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/TestNoHaRMFailoverProxyProvider.java ########## @@ -0,0 +1,274 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with this + * work for additional information regarding copyright ownership. The ASF + * licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ +package org.apache.hadoop.yarn.client; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.io.retry.FailoverProxyProvider; +import org.apache.hadoop.yarn.api.ApplicationClientProtocol; +import org.apache.hadoop.yarn.api.records.NodeReport; +import org.apache.hadoop.yarn.client.api.YarnClient; +import org.apache.hadoop.yarn.conf.YarnConfiguration; +import org.apache.hadoop.yarn.exceptions.YarnException; +import org.apache.hadoop.yarn.server.MiniYARNCluster; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + +import java.io.Closeable; +import java.io.IOException; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Proxy; +import java.net.InetSocketAddress; +import java.util.List; +import java.util.Random; + +import static org.mockito.Mockito.any; +import static org.mockito.Mockito.eq; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +public class TestNoHaRMFailoverProxyProvider { + private final int NODE_MANAGER_COUNT = 1; + private Configuration conf; + + @Before + public void setUp() throws IOException, YarnException { + conf = new YarnConfiguration(); + } + + @Test + public void testRestartedRM() throws Exception { + MiniYARNCluster cluster = + new MiniYARNCluster( + "testRestartedRMNegative", NODE_MANAGER_COUNT, 1, 1); + YarnClient rmClient = YarnClient.createYarnClient(); Review comment: We need the rmClient to be stopped during the finally step so we need to create it outside the try ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
