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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/02/07 15:14:03 UTC
[09/42] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6bdadd97/testdevapidocs/overview-tree.html
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diff --git a/testdevapidocs/overview-tree.html b/testdevapidocs/overview-tree.html
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6bdadd97/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestAsyncProcessWithRegionException.MyAsyncProcess.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestAsyncProcessWithRegionException.MyAsyncProcess.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestAsyncProcessWithRegionException.MyAsyncProcess.html
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+<html lang="en">
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+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
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+<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.client;<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.assertEquals;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<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.io.InterruptedIOException;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.ExecutorService;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.concurrent.Executors;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HConstants;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ServerName;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.junit.BeforeClass;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.junit.ClassRule;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.junit.Test;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.junit.experimental.categories.Category;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.mockito.Mockito;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>/**<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * The purpose of this test is to make sure the region exception won't corrupt the results<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * of batch. The prescription is shown below.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * 1) honor the action result rather than region exception. If the action have both of true result<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * and region exception, the action is fine as the exception is caused by other actions<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * which are in the same region.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * 2) honor the action exception rather than region exception. If the action have both of action<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * exception and region exception, we deal with the action exception only. If we also<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * handle the region exception for the same action, it will introduce the negative count of<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * actions in progress. The AsyncRequestFuture#waitUntilDone will block forever.<a name="line.56"></a>
+<span class="sourceLineNo">057</span> *<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * This bug can be reproduced by real use case. see TestMalformedCellFromClient(in branch-1.4+).<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * It uses the batch of RowMutations to present the bug. Given that the batch of RowMutations is<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * only supported by branch-1.4+, perhaps the branch-1.3 and branch-1.2 won't encounter this issue.<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * We still backport the fix to branch-1.3 and branch-1.2 in case we ignore some write paths.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> */<a name="line.62"></a>
+<span class="sourceLineNo">063</span>@Category({ ClientTests.class, SmallTests.class })<a name="line.63"></a>
+<span class="sourceLineNo">064</span>public class TestAsyncProcessWithRegionException {<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a>
+<span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a>
+<span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestAsyncProcessWithRegionException.class);<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> private static final Result EMPTY_RESULT = Result.create(null, true);<a name="line.70"></a>
+<span class="sourceLineNo">071</span> private static final IOException IOE = new IOException("YOU CAN'T PASS");<a name="line.71"></a>
+<span class="sourceLineNo">072</span> private static final Configuration CONF = new Configuration();<a name="line.72"></a>
+<span class="sourceLineNo">073</span> private static final TableName DUMMY_TABLE = TableName.valueOf("DUMMY_TABLE");<a name="line.73"></a>
+<span class="sourceLineNo">074</span> private static final byte[] GOOD_ROW = Bytes.toBytes("GOOD_ROW");<a name="line.74"></a>
+<span class="sourceLineNo">075</span> private static final byte[] BAD_ROW = Bytes.toBytes("BAD_ROW");<a name="line.75"></a>
+<span class="sourceLineNo">076</span> private static final byte[] BAD_ROW_WITHOUT_ACTION_EXCEPTION =<a name="line.76"></a>
+<span class="sourceLineNo">077</span> Bytes.toBytes("BAD_ROW_WITHOUT_ACTION_EXCEPTION");<a name="line.77"></a>
+<span class="sourceLineNo">078</span> private static final byte[] FAMILY = Bytes.toBytes("FAMILY");<a name="line.78"></a>
+<span class="sourceLineNo">079</span> private static final ServerName SERVER_NAME = ServerName.valueOf("s1,1,1");<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final RegionInfo REGION_INFO =<a name="line.80"></a>
+<span class="sourceLineNo">081</span> RegionInfoBuilder.newBuilder(DUMMY_TABLE)<a name="line.81"></a>
+<span class="sourceLineNo">082</span> .setStartKey(HConstants.EMPTY_START_ROW)<a name="line.82"></a>
+<span class="sourceLineNo">083</span> .setEndKey(HConstants.EMPTY_END_ROW)<a name="line.83"></a>
+<span class="sourceLineNo">084</span> .setSplit(false)<a name="line.84"></a>
+<span class="sourceLineNo">085</span> .setRegionId(1)<a name="line.85"></a>
+<span class="sourceLineNo">086</span> .build();<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> private static final HRegionLocation REGION_LOCATION =<a name="line.88"></a>
+<span class="sourceLineNo">089</span> new HRegionLocation(REGION_INFO, SERVER_NAME);<a name="line.89"></a>
+<span class="sourceLineNo">090</span><a name="line.90"></a>
+<span class="sourceLineNo">091</span> @BeforeClass<a name="line.91"></a>
+<span class="sourceLineNo">092</span> public static void setUpBeforeClass() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> // disable the retry<a name="line.93"></a>
+<span class="sourceLineNo">094</span> CONF.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> }<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> @Test<a name="line.97"></a>
+<span class="sourceLineNo">098</span> public void testSuccessivePut() throws Exception {<a name="line.98"></a>
+<span class="sourceLineNo">099</span> MyAsyncProcess ap = new MyAsyncProcess(createHConnection(), CONF);<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> List<Put> puts = new ArrayList<>(1);<a name="line.101"></a>
+<span class="sourceLineNo">102</span> puts.add(new Put(GOOD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.102"></a>
+<span class="sourceLineNo">103</span> final int expectedSize = puts.size();<a name="line.103"></a>
+<span class="sourceLineNo">104</span> AsyncRequestFuture arf = ap.submit(DUMMY_TABLE, puts);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> arf.waitUntilDone();<a name="line.105"></a>
+<span class="sourceLineNo">106</span> Object[] result = arf.getResults();<a name="line.106"></a>
+<span class="sourceLineNo">107</span> assertEquals(expectedSize, result.length);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> for (Object r : result) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> assertEquals(Result.class, r.getClass());<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span> assertTrue(puts.isEmpty());<a name="line.111"></a>
+<span class="sourceLineNo">112</span> assertActionsInProgress(arf);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> @Test<a name="line.115"></a>
+<span class="sourceLineNo">116</span> public void testFailedPut() throws Exception {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> MyAsyncProcess ap = new MyAsyncProcess(createHConnection(), CONF);<a name="line.117"></a>
+<span class="sourceLineNo">118</span><a name="line.118"></a>
+<span class="sourceLineNo">119</span> List<Put> puts = new ArrayList<>(2);<a name="line.119"></a>
+<span class="sourceLineNo">120</span> puts.add(new Put(GOOD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.120"></a>
+<span class="sourceLineNo">121</span> // this put should fail<a name="line.121"></a>
+<span class="sourceLineNo">122</span> puts.add(new Put(BAD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.122"></a>
+<span class="sourceLineNo">123</span> final int expectedSize = puts.size();<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> AsyncRequestFuture arf = ap.submit(DUMMY_TABLE, puts);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> arf.waitUntilDone();<a name="line.126"></a>
+<span class="sourceLineNo">127</span> // There is a failed puts<a name="line.127"></a>
+<span class="sourceLineNo">128</span> assertError(arf, 1);<a name="line.128"></a>
+<span class="sourceLineNo">129</span> Object[] result = arf.getResults();<a name="line.129"></a>
+<span class="sourceLineNo">130</span> assertEquals(expectedSize, result.length);<a name="line.130"></a>
+<span class="sourceLineNo">131</span> assertEquals(Result.class, result[0].getClass());<a name="line.131"></a>
+<span class="sourceLineNo">132</span> assertTrue(result[1] instanceof IOException);<a name="line.132"></a>
+<span class="sourceLineNo">133</span> assertTrue(puts.isEmpty());<a name="line.133"></a>
+<span class="sourceLineNo">134</span> assertActionsInProgress(arf);<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> @Test<a name="line.137"></a>
+<span class="sourceLineNo">138</span> public void testFailedPutWithoutActionException() throws Exception {<a name="line.138"></a>
+<span class="sourceLineNo">139</span> MyAsyncProcess ap = new MyAsyncProcess(createHConnection(), CONF);<a name="line.139"></a>
+<span class="sourceLineNo">140</span><a name="line.140"></a>
+<span class="sourceLineNo">141</span> List<Put> puts = new ArrayList<>(3);<a name="line.141"></a>
+<span class="sourceLineNo">142</span> puts.add(new Put(GOOD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.142"></a>
+<span class="sourceLineNo">143</span> // this put should fail<a name="line.143"></a>
+<span class="sourceLineNo">144</span> puts.add(new Put(BAD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.144"></a>
+<span class="sourceLineNo">145</span> // this put should fail, and it won't have action exception<a name="line.145"></a>
+<span class="sourceLineNo">146</span> puts.add(new Put(BAD_ROW_WITHOUT_ACTION_EXCEPTION).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.146"></a>
+<span class="sourceLineNo">147</span> final int expectedSize = puts.size();<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span> AsyncRequestFuture arf = ap.submit(DUMMY_TABLE, puts);<a name="line.149"></a>
+<span class="sourceLineNo">150</span> arf.waitUntilDone();<a name="line.150"></a>
+<span class="sourceLineNo">151</span> // There are two failed puts<a name="line.151"></a>
+<span class="sourceLineNo">152</span> assertError(arf, 2);<a name="line.152"></a>
+<span class="sourceLineNo">153</span> Object[] result = arf.getResults();<a name="line.153"></a>
+<span class="sourceLineNo">154</span> assertEquals(expectedSize, result.length);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> assertEquals(Result.class, result[0].getClass());<a name="line.155"></a>
+<span class="sourceLineNo">156</span> assertTrue(result[1] instanceof IOException);<a name="line.156"></a>
+<span class="sourceLineNo">157</span> assertTrue(result[2] instanceof IOException);<a name="line.157"></a>
+<span class="sourceLineNo">158</span> assertTrue(puts.isEmpty());<a name="line.158"></a>
+<span class="sourceLineNo">159</span> assertActionsInProgress(arf);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static void assertError(AsyncRequestFuture arf, int expectedCountOfFailure) {<a name="line.162"></a>
+<span class="sourceLineNo">163</span> assertTrue(arf.hasError());<a name="line.163"></a>
+<span class="sourceLineNo">164</span> RetriesExhaustedWithDetailsException e = arf.getErrors();<a name="line.164"></a>
+<span class="sourceLineNo">165</span> List<Throwable> errors = e.getCauses();<a name="line.165"></a>
+<span class="sourceLineNo">166</span> assertEquals(expectedCountOfFailure, errors.size());<a name="line.166"></a>
+<span class="sourceLineNo">167</span> for (Throwable t : errors) {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> assertTrue(t instanceof IOException);<a name="line.168"></a>
+<span class="sourceLineNo">169</span> }<a name="line.169"></a>
+<span class="sourceLineNo">170</span> }<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span> private static void assertActionsInProgress(AsyncRequestFuture arf) {<a name="line.172"></a>
+<span class="sourceLineNo">173</span> if (arf instanceof AsyncRequestFutureImpl) {<a name="line.173"></a>
+<span class="sourceLineNo">174</span> assertEquals(0, ((AsyncRequestFutureImpl) arf).getNumberOfActionsInProgress());<a name="line.174"></a>
+<span class="sourceLineNo">175</span> }<a name="line.175"></a>
+<span class="sourceLineNo">176</span> }<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span> private static ClusterConnection createHConnection() throws IOException {<a name="line.178"></a>
+<span class="sourceLineNo">179</span> ClusterConnection hc = Mockito.mock(ClusterConnection.class);<a name="line.179"></a>
+<span class="sourceLineNo">180</span> NonceGenerator ng = Mockito.mock(NonceGenerator.class);<a name="line.180"></a>
+<span class="sourceLineNo">181</span> Mockito.when(ng.getNonceGroup()).thenReturn(HConstants.NO_NONCE);<a name="line.181"></a>
+<span class="sourceLineNo">182</span> Mockito.when(hc.getNonceGenerator()).thenReturn(ng);<a name="line.182"></a>
+<span class="sourceLineNo">183</span> Mockito.when(hc.getConfiguration()).thenReturn(CONF);<a name="line.183"></a>
+<span class="sourceLineNo">184</span> Mockito.when(hc.getConnectionConfiguration()).thenReturn(new ConnectionConfiguration(CONF));<a name="line.184"></a>
+<span class="sourceLineNo">185</span> setMockLocation(hc, GOOD_ROW, new RegionLocations(REGION_LOCATION));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> setMockLocation(hc, BAD_ROW, new RegionLocations(REGION_LOCATION));<a name="line.186"></a>
+<span class="sourceLineNo">187</span> Mockito<a name="line.187"></a>
+<span class="sourceLineNo">188</span> .when(hc.locateRegions(Mockito.eq(DUMMY_TABLE), Mockito.anyBoolean(), Mockito.anyBoolean()))<a name="line.188"></a>
+<span class="sourceLineNo">189</span> .thenReturn(Collections.singletonList(REGION_LOCATION));<a name="line.189"></a>
+<span class="sourceLineNo">190</span> return hc;<a name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span><a name="line.192"></a>
+<span class="sourceLineNo">193</span> private static void setMockLocation(ClusterConnection hc, byte[] row, RegionLocations result)<a name="line.193"></a>
+<span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> Mockito.when(hc.locateRegion(Mockito.eq(DUMMY_TABLE), Mockito.eq(row), Mockito.anyBoolean(),<a name="line.195"></a>
+<span class="sourceLineNo">196</span> Mockito.anyBoolean(), Mockito.anyInt())).thenReturn(result);<a name="line.196"></a>
+<span class="sourceLineNo">197</span> Mockito.when(hc.locateRegion(Mockito.eq(DUMMY_TABLE), Mockito.eq(row), Mockito.anyBoolean(),<a name="line.197"></a>
+<span class="sourceLineNo">198</span> Mockito.anyBoolean())).thenReturn(result);<a name="line.198"></a>
+<span class="sourceLineNo">199</span> }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> private static class MyAsyncProcess extends AsyncProcess {<a name="line.201"></a>
+<span class="sourceLineNo">202</span> private final ExecutorService service = Executors.newFixedThreadPool(5);<a name="line.202"></a>
+<span class="sourceLineNo">203</span><a name="line.203"></a>
+<span class="sourceLineNo">204</span> MyAsyncProcess(ClusterConnection hc, Configuration conf) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span> super(hc, conf, new RpcRetryingCallerFactory(conf), false, new RpcControllerFactory(conf));<a name="line.205"></a>
+<span class="sourceLineNo">206</span> }<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> public AsyncRequestFuture submit(TableName tableName, List<? extends Row> rows)<a name="line.208"></a>
+<span class="sourceLineNo">209</span> throws InterruptedIOException {<a name="line.209"></a>
+<span class="sourceLineNo">210</span> return submit(AsyncProcessTask.newBuilder()<a name="line.210"></a>
+<span class="sourceLineNo">211</span> .setPool(service)<a name="line.211"></a>
+<span class="sourceLineNo">212</span> .setTableName(tableName)<a name="line.212"></a>
+<span class="sourceLineNo">213</span> .setRowAccess(rows)<a name="line.213"></a>
+<span class="sourceLineNo">214</span> .setSubmittedRows(AsyncProcessTask.SubmittedRows.NORMAL)<a name="line.214"></a>
+<span class="sourceLineNo">215</span> .setNeedResults(true)<a name="line.215"></a>
+<span class="sourceLineNo">216</span> .setRpcTimeout(HConstants.DEFAULT_HBASE_RPC_TIMEOUT)<a name="line.216"></a>
+<span class="sourceLineNo">217</span> .setOperationTimeout(HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT)<a name="line.217"></a>
+<span class="sourceLineNo">218</span> .build());<a name="line.218"></a>
+<span class="sourceLineNo">219</span> }<a name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span> @Override<a name="line.221"></a>
+<span class="sourceLineNo">222</span> protected RpcRetryingCaller<AbstractResponse> createCaller(<a name="line.222"></a>
+<span class="sourceLineNo">223</span> CancellableRegionServerCallable callable, int rpcTimeout) {<a name="line.223"></a>
+<span class="sourceLineNo">224</span> MultiServerCallable callable1 = (MultiServerCallable) callable;<a name="line.224"></a>
+<span class="sourceLineNo">225</span> MultiResponse mr = new MultiResponse();<a name="line.225"></a>
+<span class="sourceLineNo">226</span> callable1.getMulti().actions.forEach((regionName, actions) -> {<a name="line.226"></a>
+<span class="sourceLineNo">227</span> actions.forEach(action -> {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> if (Bytes.equals(action.getAction().getRow(), GOOD_ROW)) {<a name="line.228"></a>
+<span class="sourceLineNo">229</span> mr.add(regionName, action.getOriginalIndex(), EMPTY_RESULT);<a name="line.229"></a>
+<span class="sourceLineNo">230</span> } else if (Bytes.equals(action.getAction().getRow(), BAD_ROW)) {<a name="line.230"></a>
+<span class="sourceLineNo">231</span> mr.add(regionName, action.getOriginalIndex(), IOE);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> });<a name="line.233"></a>
+<span class="sourceLineNo">234</span> });<a name="line.234"></a>
+<span class="sourceLineNo">235</span> mr.addException(REGION_INFO.getRegionName(), IOE);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> return new RpcRetryingCallerImpl<AbstractResponse>(100, 500, 0, 9) {<a name="line.236"></a>
+<span class="sourceLineNo">237</span> @Override<a name="line.237"></a>
+<span class="sourceLineNo">238</span> public AbstractResponse callWithoutRetries(RetryingCallable<AbstractResponse> callable,<a name="line.238"></a>
+<span class="sourceLineNo">239</span> int callTimeout) {<a name="line.239"></a>
+<span class="sourceLineNo">240</span> try {<a name="line.240"></a>
+<span class="sourceLineNo">241</span> // sleep one second in order for threadpool to start another thread instead of reusing<a name="line.241"></a>
+<span class="sourceLineNo">242</span> // existing one.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> Thread.sleep(1000);<a name="line.243"></a>
+<span class="sourceLineNo">244</span> } catch (InterruptedException e) {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> // pass<a name="line.245"></a>
+<span class="sourceLineNo">246</span> }<a name="line.246"></a>
+<span class="sourceLineNo">247</span> return mr;<a name="line.247"></a>
+<span class="sourceLineNo">248</span> }<a name="line.248"></a>
+<span class="sourceLineNo">249</span> };<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span> }<a name="line.251"></a>
+<span class="sourceLineNo">252</span>}<a name="line.252"></a>
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+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6bdadd97/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestAsyncProcessWithRegionException.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestAsyncProcessWithRegionException.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestAsyncProcessWithRegionException.html
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+<!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.client;<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.assertEquals;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<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.io.InterruptedIOException;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.ExecutorService;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.concurrent.Executors;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HConstants;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ServerName;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.junit.BeforeClass;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.junit.ClassRule;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.junit.Test;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.junit.experimental.categories.Category;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.mockito.Mockito;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>/**<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * The purpose of this test is to make sure the region exception won't corrupt the results<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * of batch. The prescription is shown below.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * 1) honor the action result rather than region exception. If the action have both of true result<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * and region exception, the action is fine as the exception is caused by other actions<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * which are in the same region.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * 2) honor the action exception rather than region exception. If the action have both of action<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * exception and region exception, we deal with the action exception only. If we also<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * handle the region exception for the same action, it will introduce the negative count of<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * actions in progress. The AsyncRequestFuture#waitUntilDone will block forever.<a name="line.56"></a>
+<span class="sourceLineNo">057</span> *<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * This bug can be reproduced by real use case. see TestMalformedCellFromClient(in branch-1.4+).<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * It uses the batch of RowMutations to present the bug. Given that the batch of RowMutations is<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * only supported by branch-1.4+, perhaps the branch-1.3 and branch-1.2 won't encounter this issue.<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * We still backport the fix to branch-1.3 and branch-1.2 in case we ignore some write paths.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> */<a name="line.62"></a>
+<span class="sourceLineNo">063</span>@Category({ ClientTests.class, SmallTests.class })<a name="line.63"></a>
+<span class="sourceLineNo">064</span>public class TestAsyncProcessWithRegionException {<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a>
+<span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a>
+<span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestAsyncProcessWithRegionException.class);<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> private static final Result EMPTY_RESULT = Result.create(null, true);<a name="line.70"></a>
+<span class="sourceLineNo">071</span> private static final IOException IOE = new IOException("YOU CAN'T PASS");<a name="line.71"></a>
+<span class="sourceLineNo">072</span> private static final Configuration CONF = new Configuration();<a name="line.72"></a>
+<span class="sourceLineNo">073</span> private static final TableName DUMMY_TABLE = TableName.valueOf("DUMMY_TABLE");<a name="line.73"></a>
+<span class="sourceLineNo">074</span> private static final byte[] GOOD_ROW = Bytes.toBytes("GOOD_ROW");<a name="line.74"></a>
+<span class="sourceLineNo">075</span> private static final byte[] BAD_ROW = Bytes.toBytes("BAD_ROW");<a name="line.75"></a>
+<span class="sourceLineNo">076</span> private static final byte[] BAD_ROW_WITHOUT_ACTION_EXCEPTION =<a name="line.76"></a>
+<span class="sourceLineNo">077</span> Bytes.toBytes("BAD_ROW_WITHOUT_ACTION_EXCEPTION");<a name="line.77"></a>
+<span class="sourceLineNo">078</span> private static final byte[] FAMILY = Bytes.toBytes("FAMILY");<a name="line.78"></a>
+<span class="sourceLineNo">079</span> private static final ServerName SERVER_NAME = ServerName.valueOf("s1,1,1");<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final RegionInfo REGION_INFO =<a name="line.80"></a>
+<span class="sourceLineNo">081</span> RegionInfoBuilder.newBuilder(DUMMY_TABLE)<a name="line.81"></a>
+<span class="sourceLineNo">082</span> .setStartKey(HConstants.EMPTY_START_ROW)<a name="line.82"></a>
+<span class="sourceLineNo">083</span> .setEndKey(HConstants.EMPTY_END_ROW)<a name="line.83"></a>
+<span class="sourceLineNo">084</span> .setSplit(false)<a name="line.84"></a>
+<span class="sourceLineNo">085</span> .setRegionId(1)<a name="line.85"></a>
+<span class="sourceLineNo">086</span> .build();<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> private static final HRegionLocation REGION_LOCATION =<a name="line.88"></a>
+<span class="sourceLineNo">089</span> new HRegionLocation(REGION_INFO, SERVER_NAME);<a name="line.89"></a>
+<span class="sourceLineNo">090</span><a name="line.90"></a>
+<span class="sourceLineNo">091</span> @BeforeClass<a name="line.91"></a>
+<span class="sourceLineNo">092</span> public static void setUpBeforeClass() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> // disable the retry<a name="line.93"></a>
+<span class="sourceLineNo">094</span> CONF.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> }<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> @Test<a name="line.97"></a>
+<span class="sourceLineNo">098</span> public void testSuccessivePut() throws Exception {<a name="line.98"></a>
+<span class="sourceLineNo">099</span> MyAsyncProcess ap = new MyAsyncProcess(createHConnection(), CONF);<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> List<Put> puts = new ArrayList<>(1);<a name="line.101"></a>
+<span class="sourceLineNo">102</span> puts.add(new Put(GOOD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.102"></a>
+<span class="sourceLineNo">103</span> final int expectedSize = puts.size();<a name="line.103"></a>
+<span class="sourceLineNo">104</span> AsyncRequestFuture arf = ap.submit(DUMMY_TABLE, puts);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> arf.waitUntilDone();<a name="line.105"></a>
+<span class="sourceLineNo">106</span> Object[] result = arf.getResults();<a name="line.106"></a>
+<span class="sourceLineNo">107</span> assertEquals(expectedSize, result.length);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> for (Object r : result) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> assertEquals(Result.class, r.getClass());<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span> assertTrue(puts.isEmpty());<a name="line.111"></a>
+<span class="sourceLineNo">112</span> assertActionsInProgress(arf);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> @Test<a name="line.115"></a>
+<span class="sourceLineNo">116</span> public void testFailedPut() throws Exception {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> MyAsyncProcess ap = new MyAsyncProcess(createHConnection(), CONF);<a name="line.117"></a>
+<span class="sourceLineNo">118</span><a name="line.118"></a>
+<span class="sourceLineNo">119</span> List<Put> puts = new ArrayList<>(2);<a name="line.119"></a>
+<span class="sourceLineNo">120</span> puts.add(new Put(GOOD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.120"></a>
+<span class="sourceLineNo">121</span> // this put should fail<a name="line.121"></a>
+<span class="sourceLineNo">122</span> puts.add(new Put(BAD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.122"></a>
+<span class="sourceLineNo">123</span> final int expectedSize = puts.size();<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> AsyncRequestFuture arf = ap.submit(DUMMY_TABLE, puts);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> arf.waitUntilDone();<a name="line.126"></a>
+<span class="sourceLineNo">127</span> // There is a failed puts<a name="line.127"></a>
+<span class="sourceLineNo">128</span> assertError(arf, 1);<a name="line.128"></a>
+<span class="sourceLineNo">129</span> Object[] result = arf.getResults();<a name="line.129"></a>
+<span class="sourceLineNo">130</span> assertEquals(expectedSize, result.length);<a name="line.130"></a>
+<span class="sourceLineNo">131</span> assertEquals(Result.class, result[0].getClass());<a name="line.131"></a>
+<span class="sourceLineNo">132</span> assertTrue(result[1] instanceof IOException);<a name="line.132"></a>
+<span class="sourceLineNo">133</span> assertTrue(puts.isEmpty());<a name="line.133"></a>
+<span class="sourceLineNo">134</span> assertActionsInProgress(arf);<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> @Test<a name="line.137"></a>
+<span class="sourceLineNo">138</span> public void testFailedPutWithoutActionException() throws Exception {<a name="line.138"></a>
+<span class="sourceLineNo">139</span> MyAsyncProcess ap = new MyAsyncProcess(createHConnection(), CONF);<a name="line.139"></a>
+<span class="sourceLineNo">140</span><a name="line.140"></a>
+<span class="sourceLineNo">141</span> List<Put> puts = new ArrayList<>(3);<a name="line.141"></a>
+<span class="sourceLineNo">142</span> puts.add(new Put(GOOD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.142"></a>
+<span class="sourceLineNo">143</span> // this put should fail<a name="line.143"></a>
+<span class="sourceLineNo">144</span> puts.add(new Put(BAD_ROW).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.144"></a>
+<span class="sourceLineNo">145</span> // this put should fail, and it won't have action exception<a name="line.145"></a>
+<span class="sourceLineNo">146</span> puts.add(new Put(BAD_ROW_WITHOUT_ACTION_EXCEPTION).addColumn(FAMILY, FAMILY, FAMILY));<a name="line.146"></a>
+<span class="sourceLineNo">147</span> final int expectedSize = puts.size();<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span> AsyncRequestFuture arf = ap.submit(DUMMY_TABLE, puts);<a name="line.149"></a>
+<span class="sourceLineNo">150</span> arf.waitUntilDone();<a name="line.150"></a>
+<span class="sourceLineNo">151</span> // There are two failed puts<a name="line.151"></a>
+<span class="sourceLineNo">152</span> assertError(arf, 2);<a name="line.152"></a>
+<span class="sourceLineNo">153</span> Object[] result = arf.getResults();<a name="line.153"></a>
+<span class="sourceLineNo">154</span> assertEquals(expectedSize, result.length);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> assertEquals(Result.class, result[0].getClass());<a name="line.155"></a>
+<span class="sourceLineNo">156</span> assertTrue(result[1] instanceof IOException);<a name="line.156"></a>
+<span class="sourceLineNo">157</span> assertTrue(result[2] instanceof IOException);<a name="line.157"></a>
+<span class="sourceLineNo">158</span> assertTrue(puts.isEmpty());<a name="line.158"></a>
+<span class="sourceLineNo">159</span> assertActionsInProgress(arf);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static void assertError(AsyncRequestFuture arf, int expectedCountOfFailure) {<a name="line.162"></a>
+<span class="sourceLineNo">163</span> assertTrue(arf.hasError());<a name="line.163"></a>
+<span class="sourceLineNo">164</span> RetriesExhaustedWithDetailsException e = arf.getErrors();<a name="line.164"></a>
+<span class="sourceLineNo">165</span> List<Throwable> errors = e.getCauses();<a name="line.165"></a>
+<span class="sourceLineNo">166</span> assertEquals(expectedCountOfFailure, errors.size());<a name="line.166"></a>
+<span class="sourceLineNo">167</span> for (Throwable t : errors) {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> assertTrue(t instanceof IOException);<a name="line.168"></a>
+<span class="sourceLineNo">169</span> }<a name="line.169"></a>
+<span class="sourceLineNo">170</span> }<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span> private static void assertActionsInProgress(AsyncRequestFuture arf) {<a name="line.172"></a>
+<span class="sourceLineNo">173</span> if (arf instanceof AsyncRequestFutureImpl) {<a name="line.173"></a>
+<span class="sourceLineNo">174</span> assertEquals(0, ((AsyncRequestFutureImpl) arf).getNumberOfActionsInProgress());<a name="line.174"></a>
+<span class="sourceLineNo">175</span> }<a name="line.175"></a>
+<span class="sourceLineNo">176</span> }<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span> private static ClusterConnection createHConnection() throws IOException {<a name="line.178"></a>
+<span class="sourceLineNo">179</span> ClusterConnection hc = Mockito.mock(ClusterConnection.class);<a name="line.179"></a>
+<span class="sourceLineNo">180</span> NonceGenerator ng = Mockito.mock(NonceGenerator.class);<a name="line.180"></a>
+<span class="sourceLineNo">181</span> Mockito.when(ng.getNonceGroup()).thenReturn(HConstants.NO_NONCE);<a name="line.181"></a>
+<span class="sourceLineNo">182</span> Mockito.when(hc.getNonceGenerator()).thenReturn(ng);<a name="line.182"></a>
+<span class="sourceLineNo">183</span> Mockito.when(hc.getConfiguration()).thenReturn(CONF);<a name="line.183"></a>
+<span class="sourceLineNo">184</span> Mockito.when(hc.getConnectionConfiguration()).thenReturn(new ConnectionConfiguration(CONF));<a name="line.184"></a>
+<span class="sourceLineNo">185</span> setMockLocation(hc, GOOD_ROW, new RegionLocations(REGION_LOCATION));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> setMockLocation(hc, BAD_ROW, new RegionLocations(REGION_LOCATION));<a name="line.186"></a>
+<span class="sourceLineNo">187</span> Mockito<a name="line.187"></a>
+<span class="sourceLineNo">188</span> .when(hc.locateRegions(Mockito.eq(DUMMY_TABLE), Mockito.anyBoolean(), Mockito.anyBoolean()))<a name="line.188"></a>
+<span class="sourceLineNo">189</span> .thenReturn(Collections.singletonList(REGION_LOCATION));<a name="line.189"></a>
+<span class="sourceLineNo">190</span> return hc;<a name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span><a name="line.192"></a>
+<span class="sourceLineNo">193</span> private static void setMockLocation(ClusterConnection hc, byte[] row, RegionLocations result)<a name="line.193"></a>
+<span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> Mockito.when(hc.locateRegion(Mockito.eq(DUMMY_TABLE), Mockito.eq(row), Mockito.anyBoolean(),<a name="line.195"></a>
+<span class="sourceLineNo">196</span> Mockito.anyBoolean(), Mockito.anyInt())).thenReturn(result);<a name="line.196"></a>
+<span class="sourceLineNo">197</span> Mockito.when(hc.locateRegion(Mockito.eq(DUMMY_TABLE), Mockito.eq(row), Mockito.anyBoolean(),<a name="line.197"></a>
+<span class="sourceLineNo">198</span> Mockito.anyBoolean())).thenReturn(result);<a name="line.198"></a>
+<span class="sourceLineNo">199</span> }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> private static class MyAsyncProcess extends AsyncProcess {<a name="line.201"></a>
+<span class="sourceLineNo">202</span> private final ExecutorService service = Executors.newFixedThreadPool(5);<a name="line.202"></a>
+<span class="sourceLineNo">203</span><a name="line.203"></a>
+<span class="sourceLineNo">204</span> MyAsyncProcess(ClusterConnection hc, Configuration conf) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span> super(hc, conf, new RpcRetryingCallerFactory(conf), false, new RpcControllerFactory(conf));<a name="line.205"></a>
+<span class="sourceLineNo">206</span> }<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> public AsyncRequestFuture submit(TableName tableName, List<? extends Row> rows)<a name="line.208"></a>
+<span class="sourceLineNo">209</span> throws InterruptedIOException {<a name="line.209"></a>
+<span class="sourceLineNo">210</span> return submit(AsyncProcessTask.newBuilder()<a name="line.210"></a>
+<span class="sourceLineNo">211</span> .setPool(service)<a name="line.211"></a>
+<span class="sourceLineNo">212</span> .setTableName(tableName)<a name="line.212"></a>
+<span class="sourceLineNo">213</span> .setRowAccess(rows)<a name="line.213"></a>
+<span class="sourceLineNo">214</span> .setSubmittedRows(AsyncProcessTask.SubmittedRows.NORMAL)<a name="line.214"></a>
+<span class="sourceLineNo">215</span> .setNeedResults(true)<a name="line.215"></a>
+<span class="sourceLineNo">216</span> .setRpcTimeout(HConstants.DEFAULT_HBASE_RPC_TIMEOUT)<a name="line.216"></a>
+<span class="sourceLineNo">217</span> .setOperationTimeout(HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT)<a name="line.217"></a>
+<span class="sourceLineNo">218</span> .build());<a name="line.218"></a>
+<span class="sourceLineNo">219</span> }<a name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span> @Override<a name="line.221"></a>
+<span class="sourceLineNo">222</span> protected RpcRetryingCaller<AbstractResponse> createCaller(<a name="line.222"></a>
+<span class="sourceLineNo">223</span> CancellableRegionServerCallable callable, int rpcTimeout) {<a name="line.223"></a>
+<span class="sourceLineNo">224</span> MultiServerCallable callable1 = (MultiServerCallable) callable;<a name="line.224"></a>
+<span class="sourceLineNo">225</span> MultiResponse mr = new MultiResponse();<a name="line.225"></a>
+<span class="sourceLineNo">226</span> callable1.getMulti().actions.forEach((regionName, actions) -> {<a name="line.226"></a>
+<span class="sourceLineNo">227</span> actions.forEach(action -> {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> if (Bytes.equals(action.getAction().getRow(), GOOD_ROW)) {<a name="line.228"></a>
+<span class="sourceLineNo">229</span> mr.add(regionName, action.getOriginalIndex(), EMPTY_RESULT);<a name="line.229"></a>
+<span class="sourceLineNo">230</span> } else if (Bytes.equals(action.getAction().getRow(), BAD_ROW)) {<a name="line.230"></a>
+<span class="sourceLineNo">231</span> mr.add(regionName, action.getOriginalIndex(), IOE);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> });<a name="line.233"></a>
+<span class="sourceLineNo">234</span> });<a name="line.234"></a>
+<span class="sourceLineNo">235</span> mr.addException(REGION_INFO.getRegionName(), IOE);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> return new RpcRetryingCallerImpl<AbstractResponse>(100, 500, 0, 9) {<a name="line.236"></a>
+<span class="sourceLineNo">237</span> @Override<a name="line.237"></a>
+<span class="sourceLineNo">238</span> public AbstractResponse callWithoutRetries(RetryingCallable<AbstractResponse> callable,<a name="line.238"></a>
+<span class="sourceLineNo">239</span> int callTimeout) {<a name="line.239"></a>
+<span class="sourceLineNo">240</span> try {<a name="line.240"></a>
+<span class="sourceLineNo">241</span> // sleep one second in order for threadpool to start another thread instead of reusing<a name="line.241"></a>
+<span class="sourceLineNo">242</span> // existing one.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> Thread.sleep(1000);<a name="line.243"></a>
+<span class="sourceLineNo">244</span> } catch (InterruptedException e) {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> // pass<a name="line.245"></a>
+<span class="sourceLineNo">246</span> }<a name="line.246"></a>
+<span class="sourceLineNo">247</span> return mr;<a name="line.247"></a>
+<span class="sourceLineNo">248</span> }<a name="line.248"></a>
+<span class="sourceLineNo">249</span> };<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span> }<a name="line.251"></a>
+<span class="sourceLineNo">252</span>}<a name="line.252"></a>
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+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6bdadd97/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMalformedCellFromClient.html
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+<!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.client;<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.assertEquals;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotNull;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import static org.junit.Assert.fail;<a name="line.23"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.CompletableFuture;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.concurrent.ExecutionException;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.Cell;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HConstants;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.TableName;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.junit.After;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.junit.AfterClass;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.junit.Before;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.junit.BeforeClass;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.junit.ClassRule;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.junit.Test;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.junit.experimental.categories.Category;<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span>/**<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * The purpose of this test is to make sure the region exception won't corrupt the results<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * of batch. The prescription is shown below.<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * 1) honor the action result rather than region exception. If the action have both of true result<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * and region exception, the action is fine as the exception is caused by other actions<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * which are in the same region.<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * 2) honor the action exception rather than region exception. If the action have both of action<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * exception and region exception, we deal with the action exception only. If we also<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * handle the region exception for the same action, it will introduce the negative count of<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * actions in progress. The AsyncRequestFuture#waitUntilDone will block forever.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> *<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * The no-cluster test is in TestAsyncProcessWithRegionException.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> */<a name="line.60"></a>
+<span class="sourceLineNo">061</span>@Category({ MediumTests.class, ClientTests.class })<a name="line.61"></a>
+<span class="sourceLineNo">062</span>public class TestMalformedCellFromClient {<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span> @ClassRule<a name="line.64"></a>
+<span class="sourceLineNo">065</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.65"></a>
+<span class="sourceLineNo">066</span> HBaseClassTestRule.forClass(TestMalformedCellFromClient.class);<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.68"></a>
+<span class="sourceLineNo">069</span> private static final byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.69"></a>
+<span class="sourceLineNo">070</span> private static final int CELL_SIZE = 100;<a name="line.70"></a>
+<span class="sourceLineNo">071</span> private static final TableName TABLE_NAME = TableName.valueOf("TestMalformedCellFromClient");<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> @BeforeClass<a name="line.73"></a>
+<span class="sourceLineNo">074</span> public static void setUpBeforeClass() throws Exception {<a name="line.74"></a>
+<span class="sourceLineNo">075</span> // disable the retry<a name="line.75"></a>
+<span class="sourceLineNo">076</span> TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<a name="line.76"></a>
+<span class="sourceLineNo">077</span> TEST_UTIL.startMiniCluster(1);<a name="line.77"></a>
+<span class="sourceLineNo">078</span> }<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span> @Before<a name="line.80"></a>
+<span class="sourceLineNo">081</span> public void before() throws Exception {<a name="line.81"></a>
+<span class="sourceLineNo">082</span> TableDescriptor desc = TableDescriptorBuilder.newBuilder(TABLE_NAME)<a name="line.82"></a>
+<span class="sourceLineNo">083</span> .addColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY))<a name="line.83"></a>
+<span class="sourceLineNo">084</span> .setValue(HRegion.HBASE_MAX_CELL_SIZE_KEY, String.valueOf(CELL_SIZE)).build();<a name="line.84"></a>
+<span class="sourceLineNo">085</span> TEST_UTIL.getConnection().getAdmin().createTable(desc);<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> @After<a name="line.88"></a>
+<span class="sourceLineNo">089</span> public void tearDown() throws Exception {<a name="line.89"></a>
+<span class="sourceLineNo">090</span> for (TableDescriptor htd : TEST_UTIL.getAdmin().listTableDescriptors()) {<a name="line.90"></a>
+<span class="sourceLineNo">091</span> TEST_UTIL.deleteTable(htd.getTableName());<a name="line.91"></a>
+<span class="sourceLineNo">092</span> }<a name="line.92"></a>
+<span class="sourceLineNo">093</span> }<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span> @AfterClass<a name="line.95"></a>
+<span class="sourceLineNo">096</span> public static void tearDownAfterClass() throws Exception {<a name="line.96"></a>
+<span class="sourceLineNo">097</span> TEST_UTIL.shutdownMiniCluster();<a name="line.97"></a>
+<span class="sourceLineNo">098</span> }<a name="line.98"></a>
+<span class="sourceLineNo">099</span><a name="line.99"></a>
+<span class="sourceLineNo">100</span> /**<a name="line.100"></a>
+<span class="sourceLineNo">101</span> * The purpose of this ut is to check the consistency between the exception and results.<a name="line.101"></a>
+<span class="sourceLineNo">102</span> * If the RetriesExhaustedWithDetailsException contains the whole batch,<a name="line.102"></a>
+<span class="sourceLineNo">103</span> * each result should be of IOE. Otherwise, the row operation which is not in the exception<a name="line.103"></a>
+<span class="sourceLineNo">104</span> * should have a true result.<a name="line.104"></a>
+<span class="sourceLineNo">105</span> */<a name="line.105"></a>
+<span class="sourceLineNo">106</span> @Test<a name="line.106"></a>
+<span class="sourceLineNo">107</span> public void testRegionException() throws InterruptedException, IOException {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> List<Row> batches = new ArrayList<>();<a name="line.108"></a>
+<span class="sourceLineNo">109</span> batches.add(new Put(Bytes.toBytes("good")).addColumn(FAMILY, null, new byte[10]));<a name="line.109"></a>
+<span class="sourceLineNo">110</span> // the rm is used to prompt the region exception.<a name="line.110"></a>
+<span class="sourceLineNo">111</span> // see RSRpcServices#multi<a name="line.111"></a>
+<span class="sourceLineNo">112</span> RowMutations rm = new RowMutations(Bytes.toBytes("fail"));<a name="line.112"></a>
+<span class="sourceLineNo">113</span> rm.add(new Put(rm.getRow()).addColumn(FAMILY, null, new byte[CELL_SIZE]));<a name="line.113"></a>
+<span class="sourceLineNo">114</span> batches.add(rm);<a name="line.114"></a>
+<span class="sourceLineNo">115</span> Object[] results = new Object[batches.size()];<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> try (Table table = TEST_UTIL.getConnection().getTable(TABLE_NAME)) {<a name="line.117"></a>
+<span class="sourceLineNo">118</span> Throwable exceptionByCaught = null;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> try {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> table.batch(batches, results);<a name="line.120"></a>
+<span class="sourceLineNo">121</span> fail("Where is the exception? We put the malformed cells!!!");<a name="line.121"></a>
+<span class="sourceLineNo">122</span> } catch (RetriesExhaustedWithDetailsException e) {<a name="line.122"></a>
+<span class="sourceLineNo">123</span> for (Throwable throwable : e.getCauses()) {<a name="line.123"></a>
+<span class="sourceLineNo">124</span> assertNotNull(throwable);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> }<a name="line.125"></a>
+<span class="sourceLineNo">126</span> assertEquals(1, e.getNumExceptions());<a name="line.126"></a>
+<span class="sourceLineNo">127</span> exceptionByCaught = e.getCause(0);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span> for (Object obj : results) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> assertNotNull(obj);<a name="line.130"></a>
+<span class="sourceLineNo">131</span> }<a name="line.131"></a>
+<span class="sourceLineNo">132</span> assertEquals(Result.class, results[0].getClass());<a name="line.132"></a>
+<span class="sourceLineNo">133</span> assertEquals(exceptionByCaught.getClass(), results[1].getClass());<a name="line.133"></a>
+<span class="sourceLineNo">134</span> Result result = table.get(new Get(Bytes.toBytes("good")));<a name="line.134"></a>
+<span class="sourceLineNo">135</span> assertEquals(1, result.size());<a name="line.135"></a>
+<span class="sourceLineNo">136</span> Cell cell = result.getColumnLatestCell(FAMILY, null);<a name="line.136"></a>
+<span class="sourceLineNo">137</span> assertTrue(Bytes.equals(CellUtil.cloneValue(cell), new byte[10]));<a name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span> }<a name="line.139"></a>
+<span class="sourceLineNo">140</span><a name="line.140"></a>
+<span class="sourceLineNo">141</span> /**<a name="line.141"></a>
+<span class="sourceLineNo">142</span> * The purpose of this ut is to check the consistency between the exception and results.<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * If the RetriesExhaustedWithDetailsException contains the whole batch,<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * each result should be of IOE. Otherwise, the row operation which is not in the exception<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * should have a true result.<a name="line.145"></a>
+<span class="sourceLineNo">146</span> */<a name="line.146"></a>
+<span class="sourceLineNo">147</span> @Test<a name="line.147"></a>
+<span class="sourceLineNo">148</span> public void testRegionExceptionByAsync() throws Exception {<a name="line.148"></a>
+<span class="sourceLineNo">149</span> List<Row> batches = new ArrayList<>();<a name="line.149"></a>
+<span class="sourceLineNo">150</span> batches.add(new Put(Bytes.toBytes("good")).addColumn(FAMILY, null, new byte[10]));<a name="line.150"></a>
+<span class="sourceLineNo">151</span> // the rm is used to prompt the region exception.<a name="line.151"></a>
+<span class="sourceLineNo">152</span> // see RSRpcServices#multi<a name="line.152"></a>
+<span class="sourceLineNo">153</span> RowMutations rm = new RowMutations(Bytes.toBytes("fail"));<a name="line.153"></a>
+<span class="sourceLineNo">154</span> rm.add(new Put(rm.getRow()).addColumn(FAMILY, null, new byte[CELL_SIZE]));<a name="line.154"></a>
+<span class="sourceLineNo">155</span> batches.add(rm);<a name="line.155"></a>
+<span class="sourceLineNo">156</span> try (AsyncConnection asyncConnection = ConnectionFactory<a name="line.156"></a>
+<span class="sourceLineNo">157</span> .createAsyncConnection(TEST_UTIL.getConfiguration()).get()) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span> AsyncTable<AdvancedScanResultConsumer> table = asyncConnection.getTable(TABLE_NAME);<a name="line.158"></a>
+<span class="sourceLineNo">159</span> List<CompletableFuture<AdvancedScanResultConsumer>> results = table.batch(batches);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> assertEquals(2, results.size());<a name="line.160"></a>
+<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> results.get(1).get();<a name="line.162"></a>
+<span class="sourceLineNo">163</span> fail("Where is the exception? We put the malformed cells!!!");<a name="line.163"></a>
+<span class="sourceLineNo">164</span> } catch (ExecutionException e) {<a name="line.164"></a>
+<span class="sourceLineNo">165</span> // pass<a name="line.165"></a>
+<span class="sourceLineNo">166</span> }<a name="line.166"></a>
+<span class="sourceLineNo">167</span> Result result = table.get(new Get(Bytes.toBytes("good"))).get();<a name="line.167"></a>
+<span class="sourceLineNo">168</span> assertEquals(1, result.size());<a name="line.168"></a>
+<span class="sourceLineNo">169</span> Cell cell = result.getColumnLatestCell(FAMILY, null);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> assertTrue(Bytes.equals(CellUtil.cloneValue(cell), new byte[10]));<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span>}<a name="line.173"></a>
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+</pre>
+</div>
+</body>
+</html>