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<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 java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.io.InterruptedIOException;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.net.SocketTimeoutException;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Optional;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.concurrent.atomic.AtomicInteger;<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.Cell;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.TableName;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<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.LargeTests;<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.apache.hadoop.hbase.util.Threads;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.junit.AfterClass;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.junit.Assert;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.junit.BeforeClass;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.junit.ClassRule;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.junit.Test;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.junit.experimental.categories.Category;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.slf4j.Logger;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.slf4j.LoggerFactory;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>@Category({ LargeTests.class, ClientTests.class })<a name="line.51"></a>
<span class="sourceLineNo">052</span>public class TestClientOperationInterrupt {<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> @ClassRule<a name="line.54"></a>
<span class="sourceLineNo">055</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.55"></a>
<span class="sourceLineNo">056</span> HBaseClassTestRule.forClass(TestClientOperationInterrupt.class);<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> private static final Logger LOG = LoggerFactory.getLogger(TestClientOperationInterrupt.class);<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> private static HBaseTestingUtil util;<a name="line.60"></a>
<span class="sourceLineNo">061</span> private static final TableName tableName = TableName.valueOf("test");<a name="line.61"></a>
<span class="sourceLineNo">062</span> private static final byte[] dummy = Bytes.toBytes("dummy");<a name="line.62"></a>
<span class="sourceLineNo">063</span> private static final byte[] row1 = Bytes.toBytes("r1");<a name="line.63"></a>
<span class="sourceLineNo">064</span> private static final byte[] test = Bytes.toBytes("test");<a name="line.64"></a>
<span class="sourceLineNo">065</span> private static Configuration conf;<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span> public static class TestCoprocessor implements RegionCoprocessor, RegionObserver {<a name="line.67"></a>
<span class="sourceLineNo">068</span> @Override<a name="line.68"></a>
<span class="sourceLineNo">069</span> public Optional&lt;RegionObserver&gt; getRegionObserver() {<a name="line.69"></a>
<span class="sourceLineNo">070</span> return Optional.of(this);<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> @Override<a name="line.73"></a>
<span class="sourceLineNo">074</span> public void preGetOp(final ObserverContext&lt;RegionCoprocessorEnvironment&gt; e, final Get get,<a name="line.74"></a>
<span class="sourceLineNo">075</span> final List&lt;Cell&gt; results) throws IOException {<a name="line.75"></a>
<span class="sourceLineNo">076</span> Threads.sleep(2500);<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<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> @BeforeClass<a name="line.80"></a>
<span class="sourceLineNo">081</span> public static void setUpBeforeClass() throws Exception {<a name="line.81"></a>
<span class="sourceLineNo">082</span> conf = HBaseConfiguration.create();<a name="line.82"></a>
<span class="sourceLineNo">083</span> conf.setStrings(CoprocessorHost.USER_REGION_COPROCESSOR_CONF_KEY,<a name="line.83"></a>
<span class="sourceLineNo">084</span> TestCoprocessor.class.getName());<a name="line.84"></a>
<span class="sourceLineNo">085</span> util = new HBaseTestingUtil(conf);<a name="line.85"></a>
<span class="sourceLineNo">086</span> util.startMiniCluster();<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> Admin admin = util.getAdmin();<a name="line.88"></a>
<span class="sourceLineNo">089</span> if (admin.tableExists(tableName)) {<a name="line.89"></a>
<span class="sourceLineNo">090</span> if (admin.isTableEnabled(tableName)) {<a name="line.90"></a>
<span class="sourceLineNo">091</span> admin.disableTable(tableName);<a name="line.91"></a>
<span class="sourceLineNo">092</span> }<a name="line.92"></a>
<span class="sourceLineNo">093</span> admin.deleteTable(tableName);<a name="line.93"></a>
<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span> Table ht = util.createTable(tableName, new byte[][] { dummy, test });<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> Put p = new Put(row1);<a name="line.97"></a>
<span class="sourceLineNo">098</span> p.addColumn(dummy, dummy, dummy);<a name="line.98"></a>
<span class="sourceLineNo">099</span> ht.put(p);<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span> @Test<a name="line.102"></a>
<span class="sourceLineNo">103</span> public void testInterrupt50Percent() throws IOException, InterruptedException {<a name="line.103"></a>
<span class="sourceLineNo">104</span> final AtomicInteger noEx = new AtomicInteger(0);<a name="line.104"></a>
<span class="sourceLineNo">105</span> final AtomicInteger badEx = new AtomicInteger(0);<a name="line.105"></a>
<span class="sourceLineNo">106</span> final AtomicInteger noInt = new AtomicInteger(0);<a name="line.106"></a>
<span class="sourceLineNo">107</span> final AtomicInteger done = new AtomicInteger(0);<a name="line.107"></a>
<span class="sourceLineNo">108</span> List&lt;Thread&gt; threads = new ArrayList&lt;&gt;();<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span> final int nbThread = 100;<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span> for (int i = 0; i &lt; nbThread; i++) {<a name="line.112"></a>
<span class="sourceLineNo">113</span> Thread t = new Thread() {<a name="line.113"></a>
<span class="sourceLineNo">114</span> @Override<a name="line.114"></a>
<span class="sourceLineNo">115</span> public void run() {<a name="line.115"></a>
<span class="sourceLineNo">116</span> try {<a name="line.116"></a>
<span class="sourceLineNo">117</span> Table ht = util.getConnection().getTable(tableName);<a name="line.117"></a>
<span class="sourceLineNo">118</span> Result r = ht.get(new Get(row1));<a name="line.118"></a>
<span class="sourceLineNo">119</span> noEx.incrementAndGet();<a name="line.119"></a>
<span class="sourceLineNo">120</span> } catch (IOException e) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> LOG.info("exception", e);<a name="line.121"></a>
<span class="sourceLineNo">122</span> if (!(e instanceof InterruptedIOException) || (e instanceof SocketTimeoutException)) {<a name="line.122"></a>
<span class="sourceLineNo">123</span> badEx.incrementAndGet();<a name="line.123"></a>
<span class="sourceLineNo">124</span> } else {<a name="line.124"></a>
<span class="sourceLineNo">125</span> if (Thread.currentThread().isInterrupted()) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> noInt.incrementAndGet();<a name="line.126"></a>
<span class="sourceLineNo">127</span> LOG.info("The thread should NOT be with the 'interrupt' status.");<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> } finally {<a name="line.130"></a>
<span class="sourceLineNo">131</span> done.incrementAndGet();<a name="line.131"></a>
<span class="sourceLineNo">132</span> }<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span> };<a name="line.134"></a>
<span class="sourceLineNo">135</span> t.setName("TestClientOperationInterrupt #" + i);<a name="line.135"></a>
<span class="sourceLineNo">136</span> threads.add(t);<a name="line.136"></a>
<span class="sourceLineNo">137</span> t.start();<a name="line.137"></a>
<span class="sourceLineNo">138</span> }<a name="line.138"></a>
<span class="sourceLineNo">139</span> int expectedNoExNum = nbThread / 2;<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span> for (int i = 0; i &lt; nbThread / 2; i++) {<a name="line.141"></a>
<span class="sourceLineNo">142</span> if (threads.get(i).getState().equals(Thread.State.TERMINATED)) {<a name="line.142"></a>
<span class="sourceLineNo">143</span> expectedNoExNum--;<a name="line.143"></a>
<span class="sourceLineNo">144</span> }<a name="line.144"></a>
<span class="sourceLineNo">145</span> threads.get(i).interrupt();<a name="line.145"></a>
<span class="sourceLineNo">146</span> }<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span> boolean stillAlive = true;<a name="line.148"></a>
<span class="sourceLineNo">149</span> while (stillAlive) {<a name="line.149"></a>
<span class="sourceLineNo">150</span> stillAlive = false;<a name="line.150"></a>
<span class="sourceLineNo">151</span> for (Thread t : threads) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> if (t.isAlive()) {<a name="line.152"></a>
<span class="sourceLineNo">153</span> stillAlive = true;<a name="line.153"></a>
<span class="sourceLineNo">154</span> }<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span> Threads.sleep(10);<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span> Assert.assertFalse(Thread.currentThread().isInterrupted());<a name="line.159"></a>
<span class="sourceLineNo">160</span> Assert.assertTrue(" noEx: " + noEx.get() + ", badEx=" + badEx.get() + ", noInt=" + noInt.get(),<a name="line.160"></a>
<span class="sourceLineNo">161</span> noEx.get() == expectedNoExNum &amp;&amp; badEx.get() == 0);<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> // The problem here is that we need the server to free its handlers to handle all operations<a name="line.163"></a>
<span class="sourceLineNo">164</span> while (done.get() != nbThread) {<a name="line.164"></a>
<span class="sourceLineNo">165</span> Thread.sleep(1);<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span> Table ht = util.getConnection().getTable(tableName);<a name="line.168"></a>
<span class="sourceLineNo">169</span> Result r = ht.get(new Get(row1));<a name="line.169"></a>
<span class="sourceLineNo">170</span> Assert.assertFalse(r.isEmpty());<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> @AfterClass<a name="line.173"></a>
<span class="sourceLineNo">174</span> public static void tearDownAfterClass() throws Exception {<a name="line.174"></a>
<span class="sourceLineNo">175</span> util.shutdownMiniCluster();<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>
</pre>
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