http://git-wip-us.apache.org/repos/asf/hbase-site/blob/68eae623/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.AssignmentManagerForTest.html
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diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.AssignmentManagerForTest.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.AssignmentManagerForTest.html
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@@ -0,0 +1,252 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" 
href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software 
Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license 
agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for 
additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The 
ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, 
Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file 
except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a 
copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     
http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or 
agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is 
distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF 
ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific 
language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a 
name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package 
org.apache.hadoop.hbase.master.assignment;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import static 
org.junit.Assert.assertNotNull;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static 
org.junit.Assert.assertNull;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.IOException;<a 
name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ArrayList;<a 
name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.List;<a 
name="line.25"></a>
+<span class="sourceLineNo">026</span>import 
java.util.concurrent.CountDownLatch;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.PleaseHoldException;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.ServerName;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.StartMiniClusterOption;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.client.RegionInfo;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.master.HMaster;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.master.MasterServices;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.master.RegionPlan;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.master.ServerManager;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.apache.zookeeper.KeeperException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.junit.AfterClass;<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.junit.BeforeClass;<a 
name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.junit.ClassRule;<a 
name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.junit.Test;<a 
name="line.48"></a>
+<span class="sourceLineNo">049</span>import 
org.junit.experimental.categories.Category;<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a
 name="line.51"></a>
+<span class="sourceLineNo">052</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a
 name="line.52"></a>
+<span class="sourceLineNo">053</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a
 name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>@Category({ MasterTests.class, 
MediumTests.class })<a name="line.55"></a>
+<span class="sourceLineNo">056</span>public class 
TestRegionAssignedToMultipleRegionServers {<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>  @ClassRule<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  public static final HBaseClassTestRule 
CLASS_RULE =<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    
HBaseClassTestRule.forClass(TestRegionAssignedToMultipleRegionServers.class);<a 
name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private static final 
List&lt;ServerName&gt; EXCLUDE_SERVERS = new ArrayList&lt;&gt;();<a 
name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  private static boolean HALT = false;<a 
name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span>  private static boolean KILL = false;<a 
name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private static CountDownLatch ARRIVE;<a 
name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  private static final class 
ServerManagerForTest extends ServerManager {<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span>    public 
ServerManagerForTest(MasterServices master) {<a name="line.72"></a>
+<span class="sourceLineNo">073</span>      super(master);<a name="line.73"></a>
+<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>    @Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    public List&lt;ServerName&gt; 
createDestinationServersList() {<a name="line.77"></a>
+<span class="sourceLineNo">078</span>      return 
super.createDestinationServersList(EXCLUDE_SERVERS);<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    }<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private static final class 
AssignmentManagerForTest extends AssignmentManager {<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>    public 
AssignmentManagerForTest(MasterServices master) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>      super(master);<a name="line.85"></a>
+<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span>    @Override<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    public 
ReportRegionStateTransitionResponse reportRegionStateTransition(<a 
name="line.89"></a>
+<span class="sourceLineNo">090</span>        
ReportRegionStateTransitionRequest req) throws PleaseHoldException {<a 
name="line.90"></a>
+<span class="sourceLineNo">091</span>      if 
(req.getTransition(0).getTransitionCode() == TransitionCode.OPENED) {<a 
name="line.91"></a>
+<span class="sourceLineNo">092</span>        if (ARRIVE != null) {<a 
name="line.92"></a>
+<span class="sourceLineNo">093</span>          ARRIVE.countDown();<a 
name="line.93"></a>
+<span class="sourceLineNo">094</span>          ARRIVE = null;<a 
name="line.94"></a>
+<span class="sourceLineNo">095</span>        }<a name="line.95"></a>
+<span class="sourceLineNo">096</span>        while (HALT) {<a 
name="line.96"></a>
+<span class="sourceLineNo">097</span>          try {<a name="line.97"></a>
+<span class="sourceLineNo">098</span>            Thread.sleep(100);<a 
name="line.98"></a>
+<span class="sourceLineNo">099</span>          } catch (InterruptedException 
e) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span>            throw new 
RuntimeException(e);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>          }<a name="line.101"></a>
+<span class="sourceLineNo">102</span>          if (KILL) {<a 
name="line.102"></a>
+<span class="sourceLineNo">103</span>            throw new 
PleaseHoldException("Inject error!");<a name="line.103"></a>
+<span class="sourceLineNo">104</span>          }<a name="line.104"></a>
+<span class="sourceLineNo">105</span>        }<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      }<a name="line.106"></a>
+<span class="sourceLineNo">107</span>      return 
super.reportRegionStateTransition(req);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    }<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  public static final class 
HMasterForTest extends HMaster {<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>    public HMasterForTest(Configuration 
conf) throws IOException, KeeperException {<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      super(conf);<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>    @Override<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    protected AssignmentManager 
createAssignmentManager(MasterServices master) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      return new 
AssignmentManagerForTest(master);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    }<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span>    @Override<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    protected ServerManager 
createServerManager(MasterServices master) throws IOException {<a 
name="line.123"></a>
+<span class="sourceLineNo">124</span>      setupClusterConnection();<a 
name="line.124"></a>
+<span class="sourceLineNo">125</span>      return new 
ServerManagerForTest(master);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
+<span class="sourceLineNo">127</span>  }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span>  private static final 
HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>  private static TableName NAME = 
TableName.valueOf("Assign");<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private static byte[] CF = 
Bytes.toBytes("cf");<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  @BeforeClass<a name="line.135"></a>
+<span class="sourceLineNo">136</span>  public static void setUp() throws 
Exception {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    
UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, HMasterForTest.class, 
HMaster.class);<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    UTIL<a name="line.138"></a>
+<span class="sourceLineNo">139</span>      
.startMiniCluster(StartMiniClusterOption.builder().numMasters(2).numRegionServers(2).build());<a
 name="line.139"></a>
+<span class="sourceLineNo">140</span>    UTIL.createTable(NAME, CF);<a 
name="line.140"></a>
+<span class="sourceLineNo">141</span>    UTIL.waitTableAvailable(NAME);<a 
name="line.141"></a>
+<span class="sourceLineNo">142</span>    UTIL.getAdmin().balancerSwitch(false, 
true);<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>  @AfterClass<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  public static void tearDown() throws 
Exception {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    UTIL.shutdownMiniCluster();<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>  }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  @Test<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  public void test() throws Exception {<a 
name="line.151"></a>
+<span class="sourceLineNo">152</span>    RegionInfo region = 
UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();<a 
name="line.152"></a>
+<span class="sourceLineNo">153</span>    AssignmentManager am = 
UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a 
name="line.153"></a>
+<span class="sourceLineNo">154</span>    RegionStateNode rsn = 
am.getRegionStates().getRegionStateNode(region);<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>    ServerName sn = 
rsn.getRegionLocation();<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    ARRIVE = new CountDownLatch(1);<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>    HALT = true;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    am.moveAsync(new RegionPlan(region, 
sn, sn));<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    ARRIVE.await();<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    // let's restart the master<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>    
EXCLUDE_SERVERS.add(rsn.getRegionLocation());<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    KILL = true;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    HMaster activeMaster = 
UTIL.getMiniHBaseCluster().getMaster();<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    activeMaster.abort("For testing");<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>    activeMaster.getThread().join();<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>    KILL = false;<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>    // sleep a while to reproduce the 
problem, as after the fix in HBASE-21472 the execution logic<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>    // is changed so the old code to 
reproduce the problem can not compile...<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    Thread.sleep(10000);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>    HALT = false;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    Thread.sleep(5000);<a 
name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>    HRegionServer rs = 
UTIL.getMiniHBaseCluster().getRegionServer(sn);<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    
assertNotNull(rs.getRegion(region.getEncodedName()));<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    
assertNull(UTIL.getOtherRegionServer(rs).getRegion(region.getEncodedName()));<a 
name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span>}<a name="line.180"></a>
+
+
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+
+
+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/68eae623/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.HMasterForTest.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.HMasterForTest.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.HMasterForTest.html
new file mode 100644
index 0000000..8ba5775
--- /dev/null
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.HMasterForTest.html
@@ -0,0 +1,252 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" 
href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software 
Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license 
agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for 
additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The 
ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, 
Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file 
except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a 
copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     
http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or 
agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is 
distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF 
ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific 
language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a 
name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package 
org.apache.hadoop.hbase.master.assignment;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import static 
org.junit.Assert.assertNotNull;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static 
org.junit.Assert.assertNull;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.IOException;<a 
name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ArrayList;<a 
name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.List;<a 
name="line.25"></a>
+<span class="sourceLineNo">026</span>import 
java.util.concurrent.CountDownLatch;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.27"></a>
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org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.29"></a>
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org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
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org.apache.hadoop.hbase.PleaseHoldException;<a name="line.31"></a>
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org.apache.hadoop.hbase.ServerName;<a name="line.32"></a>
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org.apache.hadoop.hbase.StartMiniClusterOption;<a name="line.33"></a>
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org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
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org.apache.hadoop.hbase.client.RegionInfo;<a name="line.35"></a>
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org.apache.hadoop.hbase.master.HMaster;<a name="line.36"></a>
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org.apache.hadoop.hbase.master.MasterServices;<a name="line.37"></a>
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org.apache.hadoop.hbase.master.RegionPlan;<a name="line.38"></a>
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org.apache.hadoop.hbase.master.ServerManager;<a name="line.39"></a>
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org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a>
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org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a>
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org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a>
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org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a>
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org.apache.zookeeper.KeeperException;<a name="line.44"></a>
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org.junit.experimental.categories.Category;<a name="line.49"></a>
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org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a
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+<span class="sourceLineNo">052</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a
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+<span class="sourceLineNo">053</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a
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+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>@Category({ MasterTests.class, 
MediumTests.class })<a name="line.55"></a>
+<span class="sourceLineNo">056</span>public class 
TestRegionAssignedToMultipleRegionServers {<a name="line.56"></a>
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HBaseClassTestRule.forClass(TestRegionAssignedToMultipleRegionServers.class);<a 
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List&lt;ServerName&gt; EXCLUDE_SERVERS = new ArrayList&lt;&gt;();<a 
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+<span class="sourceLineNo">070</span>  private static final class 
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ServerManagerForTest(MasterServices master) {<a name="line.72"></a>
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+<span class="sourceLineNo">076</span>    @Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    public List&lt;ServerName&gt; 
createDestinationServersList() {<a name="line.77"></a>
+<span class="sourceLineNo">078</span>      return 
super.createDestinationServersList(EXCLUDE_SERVERS);<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    }<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private static final class 
AssignmentManagerForTest extends AssignmentManager {<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>    public 
AssignmentManagerForTest(MasterServices master) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>      super(master);<a name="line.85"></a>
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+<span class="sourceLineNo">089</span>    public 
ReportRegionStateTransitionResponse reportRegionStateTransition(<a 
name="line.89"></a>
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ReportRegionStateTransitionRequest req) throws PleaseHoldException {<a 
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(req.getTransition(0).getTransitionCode() == TransitionCode.OPENED) {<a 
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name="line.96"></a>
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+<span class="sourceLineNo">098</span>            Thread.sleep(100);<a 
name="line.98"></a>
+<span class="sourceLineNo">099</span>          } catch (InterruptedException 
e) {<a name="line.99"></a>
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RuntimeException(e);<a name="line.100"></a>
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name="line.102"></a>
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PleaseHoldException("Inject error!");<a name="line.103"></a>
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super.reportRegionStateTransition(req);<a name="line.107"></a>
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+<span class="sourceLineNo">109</span>  }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  public static final class 
HMasterForTest extends HMaster {<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>    public HMasterForTest(Configuration 
conf) throws IOException, KeeperException {<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      super(conf);<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>    @Override<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    protected AssignmentManager 
createAssignmentManager(MasterServices master) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      return new 
AssignmentManagerForTest(master);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    }<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span>    @Override<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    protected ServerManager 
createServerManager(MasterServices master) throws IOException {<a 
name="line.123"></a>
+<span class="sourceLineNo">124</span>      setupClusterConnection();<a 
name="line.124"></a>
+<span class="sourceLineNo">125</span>      return new 
ServerManagerForTest(master);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
+<span class="sourceLineNo">127</span>  }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span>  private static final 
HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>  private static TableName NAME = 
TableName.valueOf("Assign");<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private static byte[] CF = 
Bytes.toBytes("cf");<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  @BeforeClass<a name="line.135"></a>
+<span class="sourceLineNo">136</span>  public static void setUp() throws 
Exception {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    
UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, HMasterForTest.class, 
HMaster.class);<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    UTIL<a name="line.138"></a>
+<span class="sourceLineNo">139</span>      
.startMiniCluster(StartMiniClusterOption.builder().numMasters(2).numRegionServers(2).build());<a
 name="line.139"></a>
+<span class="sourceLineNo">140</span>    UTIL.createTable(NAME, CF);<a 
name="line.140"></a>
+<span class="sourceLineNo">141</span>    UTIL.waitTableAvailable(NAME);<a 
name="line.141"></a>
+<span class="sourceLineNo">142</span>    UTIL.getAdmin().balancerSwitch(false, 
true);<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>  @AfterClass<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  public static void tearDown() throws 
Exception {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    UTIL.shutdownMiniCluster();<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>  }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  @Test<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  public void test() throws Exception {<a 
name="line.151"></a>
+<span class="sourceLineNo">152</span>    RegionInfo region = 
UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();<a 
name="line.152"></a>
+<span class="sourceLineNo">153</span>    AssignmentManager am = 
UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a 
name="line.153"></a>
+<span class="sourceLineNo">154</span>    RegionStateNode rsn = 
am.getRegionStates().getRegionStateNode(region);<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>    ServerName sn = 
rsn.getRegionLocation();<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    ARRIVE = new CountDownLatch(1);<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>    HALT = true;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    am.moveAsync(new RegionPlan(region, 
sn, sn));<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    ARRIVE.await();<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    // let's restart the master<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>    
EXCLUDE_SERVERS.add(rsn.getRegionLocation());<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    KILL = true;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    HMaster activeMaster = 
UTIL.getMiniHBaseCluster().getMaster();<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    activeMaster.abort("For testing");<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>    activeMaster.getThread().join();<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>    KILL = false;<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>    // sleep a while to reproduce the 
problem, as after the fix in HBASE-21472 the execution logic<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>    // is changed so the old code to 
reproduce the problem can not compile...<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    Thread.sleep(10000);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>    HALT = false;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    Thread.sleep(5000);<a 
name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>    HRegionServer rs = 
UTIL.getMiniHBaseCluster().getRegionServer(sn);<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    
assertNotNull(rs.getRegion(region.getEncodedName()));<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    
assertNull(UTIL.getOtherRegionServer(rs).getRegion(region.getEncodedName()));<a 
name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span>}<a name="line.180"></a>
+
+
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+
+
+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/68eae623/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.ServerManagerForTest.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.ServerManagerForTest.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.ServerManagerForTest.html
new file mode 100644
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+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.ServerManagerForTest.html
@@ -0,0 +1,252 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" 
href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software 
Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license 
agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for 
additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The 
ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, 
Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file 
except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a 
copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     
http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or 
agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is 
distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF 
ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific 
language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a 
name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package 
org.apache.hadoop.hbase.master.assignment;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import static 
org.junit.Assert.assertNotNull;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static 
org.junit.Assert.assertNull;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.IOException;<a 
name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ArrayList;<a 
name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.List;<a 
name="line.25"></a>
+<span class="sourceLineNo">026</span>import 
java.util.concurrent.CountDownLatch;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.PleaseHoldException;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.ServerName;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.StartMiniClusterOption;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.client.RegionInfo;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.master.HMaster;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.master.MasterServices;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.master.RegionPlan;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.master.ServerManager;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.apache.zookeeper.KeeperException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.junit.AfterClass;<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.junit.BeforeClass;<a 
name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.junit.ClassRule;<a 
name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.junit.Test;<a 
name="line.48"></a>
+<span class="sourceLineNo">049</span>import 
org.junit.experimental.categories.Category;<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a
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+<span class="sourceLineNo">052</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a
 name="line.52"></a>
+<span class="sourceLineNo">053</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a
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+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>@Category({ MasterTests.class, 
MediumTests.class })<a name="line.55"></a>
+<span class="sourceLineNo">056</span>public class 
TestRegionAssignedToMultipleRegionServers {<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>  @ClassRule<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  public static final HBaseClassTestRule 
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List&lt;ServerName&gt; EXCLUDE_SERVERS = new ArrayList&lt;&gt;();<a 
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+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private static final class 
AssignmentManagerForTest extends AssignmentManager {<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>    public 
AssignmentManagerForTest(MasterServices master) {<a name="line.84"></a>
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ReportRegionStateTransitionRequest req) throws PleaseHoldException {<a 
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+<span class="sourceLineNo">109</span>  }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  public static final class 
HMasterForTest extends HMaster {<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>    public HMasterForTest(Configuration 
conf) throws IOException, KeeperException {<a name="line.113"></a>
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+<span class="sourceLineNo">115</span>    }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>    @Override<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    protected AssignmentManager 
createAssignmentManager(MasterServices master) {<a name="line.118"></a>
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AssignmentManagerForTest(master);<a name="line.119"></a>
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+<span class="sourceLineNo">122</span>    @Override<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    protected ServerManager 
createServerManager(MasterServices master) throws IOException {<a 
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ServerManagerForTest(master);<a name="line.125"></a>
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+<span class="sourceLineNo">127</span>  }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span>  private static final 
HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>  private static TableName NAME = 
TableName.valueOf("Assign");<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private static byte[] CF = 
Bytes.toBytes("cf");<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  @BeforeClass<a name="line.135"></a>
+<span class="sourceLineNo">136</span>  public static void setUp() throws 
Exception {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    
UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, HMasterForTest.class, 
HMaster.class);<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    UTIL<a name="line.138"></a>
+<span class="sourceLineNo">139</span>      
.startMiniCluster(StartMiniClusterOption.builder().numMasters(2).numRegionServers(2).build());<a
 name="line.139"></a>
+<span class="sourceLineNo">140</span>    UTIL.createTable(NAME, CF);<a 
name="line.140"></a>
+<span class="sourceLineNo">141</span>    UTIL.waitTableAvailable(NAME);<a 
name="line.141"></a>
+<span class="sourceLineNo">142</span>    UTIL.getAdmin().balancerSwitch(false, 
true);<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>  @AfterClass<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  public static void tearDown() throws 
Exception {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    UTIL.shutdownMiniCluster();<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>  }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  @Test<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  public void test() throws Exception {<a 
name="line.151"></a>
+<span class="sourceLineNo">152</span>    RegionInfo region = 
UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();<a 
name="line.152"></a>
+<span class="sourceLineNo">153</span>    AssignmentManager am = 
UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a 
name="line.153"></a>
+<span class="sourceLineNo">154</span>    RegionStateNode rsn = 
am.getRegionStates().getRegionStateNode(region);<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>    ServerName sn = 
rsn.getRegionLocation();<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    ARRIVE = new CountDownLatch(1);<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>    HALT = true;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    am.moveAsync(new RegionPlan(region, 
sn, sn));<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    ARRIVE.await();<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    // let's restart the master<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>    
EXCLUDE_SERVERS.add(rsn.getRegionLocation());<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    KILL = true;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    HMaster activeMaster = 
UTIL.getMiniHBaseCluster().getMaster();<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    activeMaster.abort("For testing");<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>    activeMaster.getThread().join();<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>    KILL = false;<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>    // sleep a while to reproduce the 
problem, as after the fix in HBASE-21472 the execution logic<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>    // is changed so the old code to 
reproduce the problem can not compile...<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    Thread.sleep(10000);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>    HALT = false;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    Thread.sleep(5000);<a 
name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>    HRegionServer rs = 
UTIL.getMiniHBaseCluster().getRegionServer(sn);<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    
assertNotNull(rs.getRegion(region.getEncodedName()));<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    
assertNull(UTIL.getOtherRegionServer(rs).getRegion(region.getEncodedName()));<a 
name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span>}<a name="line.180"></a>
+
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+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/68eae623/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.html
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diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.html
 
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new file mode 100644
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b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestRegionAssignedToMultipleRegionServers.html
@@ -0,0 +1,252 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" 
href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software 
Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license 
agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for 
additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The 
ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, 
Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file 
except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a 
copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     
http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or 
agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is 
distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF 
ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific 
language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a 
name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package 
org.apache.hadoop.hbase.master.assignment;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import static 
org.junit.Assert.assertNotNull;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static 
org.junit.Assert.assertNull;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.IOException;<a 
name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ArrayList;<a 
name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.List;<a 
name="line.25"></a>
+<span class="sourceLineNo">026</span>import 
java.util.concurrent.CountDownLatch;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.PleaseHoldException;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.ServerName;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.StartMiniClusterOption;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.client.RegionInfo;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.master.HMaster;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.master.MasterServices;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.master.RegionPlan;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.master.ServerManager;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.apache.zookeeper.KeeperException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.junit.AfterClass;<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.junit.BeforeClass;<a 
name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.junit.ClassRule;<a 
name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.junit.Test;<a 
name="line.48"></a>
+<span class="sourceLineNo">049</span>import 
org.junit.experimental.categories.Category;<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a
 name="line.51"></a>
+<span class="sourceLineNo">052</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a
 name="line.52"></a>
+<span class="sourceLineNo">053</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a
 name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>@Category({ MasterTests.class, 
MediumTests.class })<a name="line.55"></a>
+<span class="sourceLineNo">056</span>public class 
TestRegionAssignedToMultipleRegionServers {<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>  @ClassRule<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  public static final HBaseClassTestRule 
CLASS_RULE =<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    
HBaseClassTestRule.forClass(TestRegionAssignedToMultipleRegionServers.class);<a 
name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private static final 
List&lt;ServerName&gt; EXCLUDE_SERVERS = new ArrayList&lt;&gt;();<a 
name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  private static boolean HALT = false;<a 
name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span>  private static boolean KILL = false;<a 
name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private static CountDownLatch ARRIVE;<a 
name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  private static final class 
ServerManagerForTest extends ServerManager {<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span>    public 
ServerManagerForTest(MasterServices master) {<a name="line.72"></a>
+<span class="sourceLineNo">073</span>      super(master);<a name="line.73"></a>
+<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>    @Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    public List&lt;ServerName&gt; 
createDestinationServersList() {<a name="line.77"></a>
+<span class="sourceLineNo">078</span>      return 
super.createDestinationServersList(EXCLUDE_SERVERS);<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    }<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private static final class 
AssignmentManagerForTest extends AssignmentManager {<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>    public 
AssignmentManagerForTest(MasterServices master) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>      super(master);<a name="line.85"></a>
+<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span>    @Override<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    public 
ReportRegionStateTransitionResponse reportRegionStateTransition(<a 
name="line.89"></a>
+<span class="sourceLineNo">090</span>        
ReportRegionStateTransitionRequest req) throws PleaseHoldException {<a 
name="line.90"></a>
+<span class="sourceLineNo">091</span>      if 
(req.getTransition(0).getTransitionCode() == TransitionCode.OPENED) {<a 
name="line.91"></a>
+<span class="sourceLineNo">092</span>        if (ARRIVE != null) {<a 
name="line.92"></a>
+<span class="sourceLineNo">093</span>          ARRIVE.countDown();<a 
name="line.93"></a>
+<span class="sourceLineNo">094</span>          ARRIVE = null;<a 
name="line.94"></a>
+<span class="sourceLineNo">095</span>        }<a name="line.95"></a>
+<span class="sourceLineNo">096</span>        while (HALT) {<a 
name="line.96"></a>
+<span class="sourceLineNo">097</span>          try {<a name="line.97"></a>
+<span class="sourceLineNo">098</span>            Thread.sleep(100);<a 
name="line.98"></a>
+<span class="sourceLineNo">099</span>          } catch (InterruptedException 
e) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span>            throw new 
RuntimeException(e);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>          }<a name="line.101"></a>
+<span class="sourceLineNo">102</span>          if (KILL) {<a 
name="line.102"></a>
+<span class="sourceLineNo">103</span>            throw new 
PleaseHoldException("Inject error!");<a name="line.103"></a>
+<span class="sourceLineNo">104</span>          }<a name="line.104"></a>
+<span class="sourceLineNo">105</span>        }<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      }<a name="line.106"></a>
+<span class="sourceLineNo">107</span>      return 
super.reportRegionStateTransition(req);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    }<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  public static final class 
HMasterForTest extends HMaster {<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>    public HMasterForTest(Configuration 
conf) throws IOException, KeeperException {<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      super(conf);<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>    @Override<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    protected AssignmentManager 
createAssignmentManager(MasterServices master) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      return new 
AssignmentManagerForTest(master);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    }<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span>    @Override<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    protected ServerManager 
createServerManager(MasterServices master) throws IOException {<a 
name="line.123"></a>
+<span class="sourceLineNo">124</span>      setupClusterConnection();<a 
name="line.124"></a>
+<span class="sourceLineNo">125</span>      return new 
ServerManagerForTest(master);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
+<span class="sourceLineNo">127</span>  }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span>  private static final 
HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>  private static TableName NAME = 
TableName.valueOf("Assign");<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private static byte[] CF = 
Bytes.toBytes("cf");<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  @BeforeClass<a name="line.135"></a>
+<span class="sourceLineNo">136</span>  public static void setUp() throws 
Exception {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    
UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, HMasterForTest.class, 
HMaster.class);<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    UTIL<a name="line.138"></a>
+<span class="sourceLineNo">139</span>      
.startMiniCluster(StartMiniClusterOption.builder().numMasters(2).numRegionServers(2).build());<a
 name="line.139"></a>
+<span class="sourceLineNo">140</span>    UTIL.createTable(NAME, CF);<a 
name="line.140"></a>
+<span class="sourceLineNo">141</span>    UTIL.waitTableAvailable(NAME);<a 
name="line.141"></a>
+<span class="sourceLineNo">142</span>    UTIL.getAdmin().balancerSwitch(false, 
true);<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>  @AfterClass<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  public static void tearDown() throws 
Exception {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    UTIL.shutdownMiniCluster();<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>  }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  @Test<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  public void test() throws Exception {<a 
name="line.151"></a>
+<span class="sourceLineNo">152</span>    RegionInfo region = 
UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();<a 
name="line.152"></a>
+<span class="sourceLineNo">153</span>    AssignmentManager am = 
UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a 
name="line.153"></a>
+<span class="sourceLineNo">154</span>    RegionStateNode rsn = 
am.getRegionStates().getRegionStateNode(region);<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>    ServerName sn = 
rsn.getRegionLocation();<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    ARRIVE = new CountDownLatch(1);<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>    HALT = true;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    am.moveAsync(new RegionPlan(region, 
sn, sn));<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    ARRIVE.await();<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    // let's restart the master<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>    
EXCLUDE_SERVERS.add(rsn.getRegionLocation());<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    KILL = true;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    HMaster activeMaster = 
UTIL.getMiniHBaseCluster().getMaster();<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    activeMaster.abort("For testing");<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>    activeMaster.getThread().join();<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>    KILL = false;<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>    // sleep a while to reproduce the 
problem, as after the fix in HBASE-21472 the execution logic<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>    // is changed so the old code to 
reproduce the problem can not compile...<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    Thread.sleep(10000);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>    HALT = false;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    Thread.sleep(5000);<a 
name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>    HRegionServer rs = 
UTIL.getMiniHBaseCluster().getRegionServer(sn);<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    
assertNotNull(rs.getRegion(region.getEncodedName()));<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    
assertNull(UTIL.getOtherRegionServer(rs).getRegion(region.getEncodedName()));<a 
name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span>}<a name="line.180"></a>
+
+
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+
+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/68eae623/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsWithACL.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsWithACL.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsWithACL.html
index c4712ff..e9ae8b7 100644
--- 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsWithACL.html
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsWithACL.html
@@ -43,9 +43,9 @@
 <span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.security.User;<a name="line.35"></a>
 <span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.security.access.AccessControlClient;<a 
name="line.36"></a>
 <span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.security.access.AccessControlLists;<a 
name="line.37"></a>
-<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.security.access.Permission;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.security.access.SecureTestUtil;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.security.access.TableAuthManager;<a name="line.40"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.security.access.AuthManager;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.security.access.Permission;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.security.access.SecureTestUtil;<a name="line.40"></a>
 <span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.41"></a>
 <span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.testclassification.SecurityTests;<a name="line.42"></a>
 <span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a>
@@ -211,7 +211,7 @@
 <span class="sourceLineNo">203</span>  public static void tearDownAfterClass() 
throws Exception {<a name="line.203"></a>
 <span class="sourceLineNo">204</span>    cleanUp();<a name="line.204"></a>
 <span class="sourceLineNo">205</span>    TEST_UTIL.shutdownMiniCluster();<a 
name="line.205"></a>
-<span class="sourceLineNo">206</span>    int total = 
TableAuthManager.getTotalRefCount();<a name="line.206"></a>
+<span class="sourceLineNo">206</span>    int total = 
AuthManager.getTotalRefCount();<a name="line.206"></a>
 <span class="sourceLineNo">207</span>    assertTrue("Unexpected reference 
count: " + total, total == 0);<a name="line.207"></a>
 <span class="sourceLineNo">208</span>  }<a name="line.208"></a>
 <span class="sourceLineNo">209</span><a name="line.209"></a>

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