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https://issues.apache.org/jira/browse/FLINK-8344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16340839#comment-16340839
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ASF GitHub Bot commented on FLINK-8344:
---------------------------------------
Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5312#discussion_r164074500
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/rest/RestClientTest.java
---
@@ -0,0 +1,102 @@
+/*
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.flink.runtime.rest;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.RestOptions;
+import org.apache.flink.runtime.concurrent.Executors;
+import org.apache.flink.runtime.rest.messages.EmptyMessageParameters;
+import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
+import org.apache.flink.runtime.rest.messages.EmptyResponseBody;
+import org.apache.flink.runtime.rest.messages.MessageHeaders;
+import org.apache.flink.util.ExceptionUtils;
+
+import
org.apache.flink.shaded.netty4.io.netty.channel.ConnectTimeoutException;
+import
org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
+
+import org.junit.Test;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Tests for {@link RestClient}.
+ */
+public class RestClientTest {
--- End diff --
added
> Add support for HA to RestClusterClient
> ---------------------------------------
>
> Key: FLINK-8344
> URL: https://issues.apache.org/jira/browse/FLINK-8344
> Project: Flink
> Issue Type: Improvement
> Components: Client
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Gary Yao
> Priority: Major
> Labels: flip-6
> Fix For: 1.5.0
>
>
> The {{RestClusterClient}} must be able to deal with changing JobMasters in
> case of HA. We have to add functionality to reconnect to a newly elected
> leader in case of HA.
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