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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.client;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertFalse;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Set;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.ThreadLocalRandom;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.atomic.AtomicReference;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.stream.IntStream;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.DoNotRetryIOException;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.Waiter;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.coprocessor.Batch;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.ipc.RpcClient;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.After;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.AfterClass;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.Assert;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.ClassRule;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.Rule;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.Test;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.slf4j.Logger;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hbase.thirdparty.io.netty.util.ResourceLeakDetector;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hbase.thirdparty.io.netty.util.ResourceLeakDetector.Level;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MultiRowMutationService;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hbase.shaded.protobuf.generated.MultiRowMutationProtos.MutateRowsResponse;</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67">/**</span> |
| <span class="source-line-no">068</span><span id="line-68"> * This class is for testing {@link Connection}.</span> |
| <span class="source-line-no">069</span><span id="line-69"> */</span> |
| <span class="source-line-no">070</span><span id="line-70">@Category({ LargeTests.class })</span> |
| <span class="source-line-no">071</span><span id="line-71">public class TestConnection {</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> @ClassRule</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">075</span><span id="line-75"> HBaseClassTestRule.forClass(TestConnection.class);</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> private static final Logger LOG = LoggerFactory.getLogger(TestConnection.class);</span> |
| <span class="source-line-no">078</span><span id="line-78"> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> private static final byte[] FAM_NAM = Bytes.toBytes("f");</span> |
| <span class="source-line-no">081</span><span id="line-81"> private static final byte[] ROW = Bytes.toBytes("bbb");</span> |
| <span class="source-line-no">082</span><span id="line-82"> private static final int RPC_RETRY = 5;</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> @Rule</span> |
| <span class="source-line-no">085</span><span id="line-85"> public TestName name = new TestName();</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> @BeforeClass</span> |
| <span class="source-line-no">088</span><span id="line-88"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">089</span><span id="line-89"> ResourceLeakDetector.setLevel(Level.PARANOID);</span> |
| <span class="source-line-no">090</span><span id="line-90"> TEST_UTIL.getConfiguration().setBoolean(HConstants.STATUS_PUBLISHED, true);</span> |
| <span class="source-line-no">091</span><span id="line-91"> // Up the handlers; this test needs more than usual.</span> |
| <span class="source-line-no">092</span><span id="line-92"> TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);</span> |
| <span class="source-line-no">093</span><span id="line-93"> TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, RPC_RETRY);</span> |
| <span class="source-line-no">094</span><span id="line-94"> TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HANDLER_COUNT, 3);</span> |
| <span class="source-line-no">095</span><span id="line-95"> TEST_UTIL.startMiniCluster(2);</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> @AfterClass</span> |
| <span class="source-line-no">100</span><span id="line-100"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">101</span><span id="line-101"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> @After</span> |
| <span class="source-line-no">105</span><span id="line-105"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">106</span><span id="line-106"> TEST_UTIL.getAdmin().balancerSwitch(true, true);</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> /**</span> |
| <span class="source-line-no">110</span><span id="line-110"> * Naive test to check that Connection#getAdmin returns a properly constructed HBaseAdmin object</span> |
| <span class="source-line-no">111</span><span id="line-111"> * @throws IOException Unable to construct admin</span> |
| <span class="source-line-no">112</span><span id="line-112"> */</span> |
| <span class="source-line-no">113</span><span id="line-113"> @Test</span> |
| <span class="source-line-no">114</span><span id="line-114"> public void testAdminFactory() throws IOException {</span> |
| <span class="source-line-no">115</span><span id="line-115"> Connection con1 = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">116</span><span id="line-116"> Admin admin = con1.getAdmin();</span> |
| <span class="source-line-no">117</span><span id="line-117"> assertTrue(admin.getConnection() == con1);</span> |
| <span class="source-line-no">118</span><span id="line-118"> assertTrue(admin.getConfiguration() == TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">119</span><span id="line-119"> con1.close();</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> /**</span> |
| <span class="source-line-no">123</span><span id="line-123"> * Test that we can handle connection close: it will trigger a retry, but the calls will finish.</span> |
| <span class="source-line-no">124</span><span id="line-124"> */</span> |
| <span class="source-line-no">125</span><span id="line-125"> @Test</span> |
| <span class="source-line-no">126</span><span id="line-126"> public void testConnectionCloseAllowsInterrupt() throws Exception {</span> |
| <span class="source-line-no">127</span><span id="line-127"> testConnectionClose(true);</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"></span> |
| <span class="source-line-no">130</span><span id="line-130"> @Test</span> |
| <span class="source-line-no">131</span><span id="line-131"> public void testConnectionNotAllowsInterrupt() throws Exception {</span> |
| <span class="source-line-no">132</span><span id="line-132"> testConnectionClose(false);</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> private void testConnectionClose(boolean allowsInterrupt) throws Exception {</span> |
| <span class="source-line-no">136</span><span id="line-136"> TableName tableName = TableName.valueOf("HCM-testConnectionClose" + allowsInterrupt);</span> |
| <span class="source-line-no">137</span><span id="line-137"> TEST_UTIL.createTable(tableName, FAM_NAM).close();</span> |
| <span class="source-line-no">138</span><span id="line-138"></span> |
| <span class="source-line-no">139</span><span id="line-139"> TEST_UTIL.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> Configuration c2 = new Configuration(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">142</span><span id="line-142"> // We want to work on a separate connection.</span> |
| <span class="source-line-no">143</span><span id="line-143"> c2.set(HConstants.HBASE_CLIENT_INSTANCE_ID, String.valueOf(-1));</span> |
| <span class="source-line-no">144</span><span id="line-144"> c2.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 100); // retry a lot</span> |
| <span class="source-line-no">145</span><span id="line-145"> c2.setInt(HConstants.HBASE_CLIENT_PAUSE, 1); // don't wait between retries.</span> |
| <span class="source-line-no">146</span><span id="line-146"> c2.setInt(RpcClient.FAILED_SERVER_EXPIRY_KEY, 0); // Server do not really expire</span> |
| <span class="source-line-no">147</span><span id="line-147"> c2.setBoolean(RpcClient.SPECIFIC_WRITE_THREAD, allowsInterrupt);</span> |
| <span class="source-line-no">148</span><span id="line-148"> // to avoid the client to be stuck when do the Get</span> |
| <span class="source-line-no">149</span><span id="line-149"> c2.setInt(HConstants.HBASE_CLIENT_META_OPERATION_TIMEOUT, 10000);</span> |
| <span class="source-line-no">150</span><span id="line-150"> c2.setInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT, 10000);</span> |
| <span class="source-line-no">151</span><span id="line-151"> c2.setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, 5000);</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> Connection connection = ConnectionFactory.createConnection(c2);</span> |
| <span class="source-line-no">154</span><span id="line-154"> final Table table = connection.getTable(tableName);</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> Put put = new Put(ROW);</span> |
| <span class="source-line-no">157</span><span id="line-157"> put.addColumn(FAM_NAM, ROW, ROW);</span> |
| <span class="source-line-no">158</span><span id="line-158"> table.put(put);</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> // 4 steps: ready=0; doGets=1; mustStop=2; stopped=3</span> |
| <span class="source-line-no">161</span><span id="line-161"> final AtomicInteger step = new AtomicInteger(0);</span> |
| <span class="source-line-no">162</span><span id="line-162"></span> |
| <span class="source-line-no">163</span><span id="line-163"> final AtomicReference<Throwable> failed = new AtomicReference<>(null);</span> |
| <span class="source-line-no">164</span><span id="line-164"> Thread t = new Thread("testConnectionCloseThread") {</span> |
| <span class="source-line-no">165</span><span id="line-165"> @Override</span> |
| <span class="source-line-no">166</span><span id="line-166"> public void run() {</span> |
| <span class="source-line-no">167</span><span id="line-167"> int done = 0;</span> |
| <span class="source-line-no">168</span><span id="line-168"> try {</span> |
| <span class="source-line-no">169</span><span id="line-169"> step.set(1);</span> |
| <span class="source-line-no">170</span><span id="line-170"> while (step.get() == 1) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> Get get = new Get(ROW);</span> |
| <span class="source-line-no">172</span><span id="line-172"> table.get(get);</span> |
| <span class="source-line-no">173</span><span id="line-173"> done++;</span> |
| <span class="source-line-no">174</span><span id="line-174"> if (done % 100 == 0) {</span> |
| <span class="source-line-no">175</span><span id="line-175"> LOG.info("done=" + done);</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"> // without the sleep, will cause the exception for too many files in</span> |
| <span class="source-line-no">178</span><span id="line-178"> // org.apache.hadoop.hdfs.server.datanode.DataXceiver</span> |
| <span class="source-line-no">179</span><span id="line-179"> Thread.sleep(100);</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"> } catch (Throwable t) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> failed.set(t);</span> |
| <span class="source-line-no">183</span><span id="line-183"> LOG.error(t.toString(), t);</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"> step.set(3);</span> |
| <span class="source-line-no">186</span><span id="line-186"> }</span> |
| <span class="source-line-no">187</span><span id="line-187"> };</span> |
| <span class="source-line-no">188</span><span id="line-188"> t.start();</span> |
| <span class="source-line-no">189</span><span id="line-189"> TEST_UTIL.waitFor(20000, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">190</span><span id="line-190"> @Override</span> |
| <span class="source-line-no">191</span><span id="line-191"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">192</span><span id="line-192"> return step.get() == 1;</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"> });</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> ServerName sn;</span> |
| <span class="source-line-no">197</span><span id="line-197"> try (RegionLocator rl = connection.getRegionLocator(tableName)) {</span> |
| <span class="source-line-no">198</span><span id="line-198"> sn = rl.getRegionLocation(ROW).getServerName();</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> RpcClient rpcClient = ((AsyncConnectionImpl) connection.toAsyncConnection()).rpcClient;</span> |
| <span class="source-line-no">202</span><span id="line-202"></span> |
| <span class="source-line-no">203</span><span id="line-203"> LOG.info("Going to cancel connections. connection=" + connection.toString() + ", sn=" + sn);</span> |
| <span class="source-line-no">204</span><span id="line-204"> for (int i = 0; i < 500; i++) {</span> |
| <span class="source-line-no">205</span><span id="line-205"> rpcClient.cancelConnections(sn);</span> |
| <span class="source-line-no">206</span><span id="line-206"> Thread.sleep(50);</span> |
| <span class="source-line-no">207</span><span id="line-207"> }</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> step.compareAndSet(1, 2);</span> |
| <span class="source-line-no">210</span><span id="line-210"> // The test may fail here if the thread doing the gets is stuck. The way to find</span> |
| <span class="source-line-no">211</span><span id="line-211"> // out what's happening is to look for the thread named 'testConnectionCloseThread'</span> |
| <span class="source-line-no">212</span><span id="line-212"> TEST_UTIL.waitFor(40000, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">213</span><span id="line-213"> @Override</span> |
| <span class="source-line-no">214</span><span id="line-214"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">215</span><span id="line-215"> return step.get() == 3;</span> |
| <span class="source-line-no">216</span><span id="line-216"> }</span> |
| <span class="source-line-no">217</span><span id="line-217"> });</span> |
| <span class="source-line-no">218</span><span id="line-218"> table.close();</span> |
| <span class="source-line-no">219</span><span id="line-219"> connection.close();</span> |
| <span class="source-line-no">220</span><span id="line-220"> Assert.assertTrue("Unexpected exception is " + failed.get(), failed.get() == null);</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"></span> |
| <span class="source-line-no">223</span><span id="line-223"> /**</span> |
| <span class="source-line-no">224</span><span id="line-224"> * Test that connection can become idle without breaking everything.</span> |
| <span class="source-line-no">225</span><span id="line-225"> */</span> |
| <span class="source-line-no">226</span><span id="line-226"> @Test</span> |
| <span class="source-line-no">227</span><span id="line-227"> public void testConnectionIdle() throws Exception {</span> |
| <span class="source-line-no">228</span><span id="line-228"> final TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">229</span><span id="line-229"> TEST_UTIL.createTable(tableName, FAM_NAM).close();</span> |
| <span class="source-line-no">230</span><span id="line-230"> int idleTime = 20000;</span> |
| <span class="source-line-no">231</span><span id="line-231"> boolean previousBalance = TEST_UTIL.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> Configuration c2 = new Configuration(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">234</span><span id="line-234"> // We want to work on a separate connection.</span> |
| <span class="source-line-no">235</span><span id="line-235"> c2.set(HConstants.HBASE_CLIENT_INSTANCE_ID, String.valueOf(-1));</span> |
| <span class="source-line-no">236</span><span id="line-236"> c2.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1); // Don't retry: retry = test failed</span> |
| <span class="source-line-no">237</span><span id="line-237"> c2.setInt(RpcClient.IDLE_TIME, idleTime);</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> Connection connection = ConnectionFactory.createConnection(c2);</span> |
| <span class="source-line-no">240</span><span id="line-240"> final Table table = connection.getTable(tableName);</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> Put put = new Put(ROW);</span> |
| <span class="source-line-no">243</span><span id="line-243"> put.addColumn(FAM_NAM, ROW, ROW);</span> |
| <span class="source-line-no">244</span><span id="line-244"> table.put(put);</span> |
| <span class="source-line-no">245</span><span id="line-245"></span> |
| <span class="source-line-no">246</span><span id="line-246"> ManualEnvironmentEdge mee = new ManualEnvironmentEdge();</span> |
| <span class="source-line-no">247</span><span id="line-247"> mee.setValue(EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">248</span><span id="line-248"> EnvironmentEdgeManager.injectEdge(mee);</span> |
| <span class="source-line-no">249</span><span id="line-249"> LOG.info("first get");</span> |
| <span class="source-line-no">250</span><span id="line-250"> table.get(new Get(ROW));</span> |
| <span class="source-line-no">251</span><span id="line-251"></span> |
| <span class="source-line-no">252</span><span id="line-252"> LOG.info("first get - changing the time & sleeping");</span> |
| <span class="source-line-no">253</span><span id="line-253"> mee.incValue(idleTime + 1000);</span> |
| <span class="source-line-no">254</span><span id="line-254"> Thread.sleep(1500); // we need to wait a little for the connection to be seen as idle.</span> |
| <span class="source-line-no">255</span><span id="line-255"> // 1500 = sleep time in RpcClient#waitForWork + a margin</span> |
| <span class="source-line-no">256</span><span id="line-256"></span> |
| <span class="source-line-no">257</span><span id="line-257"> LOG.info("second get - connection has been marked idle in the middle");</span> |
| <span class="source-line-no">258</span><span id="line-258"> // To check that the connection actually became idle would need to read some private</span> |
| <span class="source-line-no">259</span><span id="line-259"> // fields of RpcClient.</span> |
| <span class="source-line-no">260</span><span id="line-260"> table.get(new Get(ROW));</span> |
| <span class="source-line-no">261</span><span id="line-261"> mee.incValue(idleTime + 1000);</span> |
| <span class="source-line-no">262</span><span id="line-262"></span> |
| <span class="source-line-no">263</span><span id="line-263"> LOG.info("third get - connection is idle, but the reader doesn't know yet");</span> |
| <span class="source-line-no">264</span><span id="line-264"> // We're testing here a special case:</span> |
| <span class="source-line-no">265</span><span id="line-265"> // time limit reached BUT connection not yet reclaimed AND a new call.</span> |
| <span class="source-line-no">266</span><span id="line-266"> // in this situation, we don't close the connection, instead we use it immediately.</span> |
| <span class="source-line-no">267</span><span id="line-267"> // If we're very unlucky we can have a race condition in the test: the connection is already</span> |
| <span class="source-line-no">268</span><span id="line-268"> // under closing when we do the get, so we have an exception, and we don't retry as the</span> |
| <span class="source-line-no">269</span><span id="line-269"> // retry number is 1. The probability is very very low, and seems acceptable for now. It's</span> |
| <span class="source-line-no">270</span><span id="line-270"> // a test issue only.</span> |
| <span class="source-line-no">271</span><span id="line-271"> table.get(new Get(ROW));</span> |
| <span class="source-line-no">272</span><span id="line-272"></span> |
| <span class="source-line-no">273</span><span id="line-273"> LOG.info("we're done - time will change back");</span> |
| <span class="source-line-no">274</span><span id="line-274"></span> |
| <span class="source-line-no">275</span><span id="line-275"> table.close();</span> |
| <span class="source-line-no">276</span><span id="line-276"></span> |
| <span class="source-line-no">277</span><span id="line-277"> connection.close();</span> |
| <span class="source-line-no">278</span><span id="line-278"> EnvironmentEdgeManager.reset();</span> |
| <span class="source-line-no">279</span><span id="line-279"> TEST_UTIL.getAdmin().balancerSwitch(previousBalance, true);</span> |
| <span class="source-line-no">280</span><span id="line-280"> }</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> @Test</span> |
| <span class="source-line-no">283</span><span id="line-283"> public void testClosing() throws Exception {</span> |
| <span class="source-line-no">284</span><span id="line-284"> Configuration configuration = new Configuration(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">285</span><span id="line-285"> configuration.set(HConstants.HBASE_CLIENT_INSTANCE_ID,</span> |
| <span class="source-line-no">286</span><span id="line-286"> String.valueOf(ThreadLocalRandom.current().nextInt()));</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> // as connection caching is going away, now we're just testing</span> |
| <span class="source-line-no">289</span><span id="line-289"> // that closed connection does actually get closed.</span> |
| <span class="source-line-no">290</span><span id="line-290"></span> |
| <span class="source-line-no">291</span><span id="line-291"> Connection c1 = ConnectionFactory.createConnection(configuration);</span> |
| <span class="source-line-no">292</span><span id="line-292"> Connection c2 = ConnectionFactory.createConnection(configuration);</span> |
| <span class="source-line-no">293</span><span id="line-293"> // no caching, different connections</span> |
| <span class="source-line-no">294</span><span id="line-294"> assertTrue(c1 != c2);</span> |
| <span class="source-line-no">295</span><span id="line-295"></span> |
| <span class="source-line-no">296</span><span id="line-296"> // closing independently</span> |
| <span class="source-line-no">297</span><span id="line-297"> c1.close();</span> |
| <span class="source-line-no">298</span><span id="line-298"> assertTrue(c1.isClosed());</span> |
| <span class="source-line-no">299</span><span id="line-299"> assertFalse(c2.isClosed());</span> |
| <span class="source-line-no">300</span><span id="line-300"></span> |
| <span class="source-line-no">301</span><span id="line-301"> c2.close();</span> |
| <span class="source-line-no">302</span><span id="line-302"> assertTrue(c2.isClosed());</span> |
| <span class="source-line-no">303</span><span id="line-303"> }</span> |
| <span class="source-line-no">304</span><span id="line-304"></span> |
| <span class="source-line-no">305</span><span id="line-305"> /**</span> |
| <span class="source-line-no">306</span><span id="line-306"> * Trivial test to verify that nobody messes with</span> |
| <span class="source-line-no">307</span><span id="line-307"> * {@link ConnectionFactory#createConnection(Configuration)}</span> |
| <span class="source-line-no">308</span><span id="line-308"> */</span> |
| <span class="source-line-no">309</span><span id="line-309"> @Test</span> |
| <span class="source-line-no">310</span><span id="line-310"> public void testCreateConnection() throws Exception {</span> |
| <span class="source-line-no">311</span><span id="line-311"> Configuration configuration = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">312</span><span id="line-312"> Connection c1 = ConnectionFactory.createConnection(configuration);</span> |
| <span class="source-line-no">313</span><span id="line-313"> Connection c2 = ConnectionFactory.createConnection(configuration);</span> |
| <span class="source-line-no">314</span><span id="line-314"> // created from the same configuration, yet they are different</span> |
| <span class="source-line-no">315</span><span id="line-315"> assertTrue(c1 != c2);</span> |
| <span class="source-line-no">316</span><span id="line-316"> assertTrue(c1.getConfiguration() == c2.getConfiguration());</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"></span> |
| <span class="source-line-no">319</span><span id="line-319"> /*</span> |
| <span class="source-line-no">320</span><span id="line-320"> * ====> With MasterRegistry, connections cannot outlast the masters' lifetime.</span> |
| <span class="source-line-no">321</span><span id="line-321"> * @Test public void testConnectionRideOverClusterRestart() throws IOException,</span> |
| <span class="source-line-no">322</span><span id="line-322"> * InterruptedException { Configuration config = new Configuration(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">323</span><span id="line-323"> * final TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">324</span><span id="line-324"> * TEST_UTIL.createTable(tableName, new byte[][] { FAM_NAM }).close(); Connection connection =</span> |
| <span class="source-line-no">325</span><span id="line-325"> * ConnectionFactory.createConnection(config); Table table = connection.getTable(tableName); //</span> |
| <span class="source-line-no">326</span><span id="line-326"> * this will cache the meta location and table's region location table.get(new</span> |
| <span class="source-line-no">327</span><span id="line-327"> * Get(Bytes.toBytes("foo"))); // restart HBase TEST_UTIL.shutdownMiniHBaseCluster();</span> |
| <span class="source-line-no">328</span><span id="line-328"> * TEST_UTIL.restartHBaseCluster(2); // this should be able to discover new locations for meta and</span> |
| <span class="source-line-no">329</span><span id="line-329"> * table's region table.get(new Get(Bytes.toBytes("foo"))); TEST_UTIL.deleteTable(tableName);</span> |
| <span class="source-line-no">330</span><span id="line-330"> * table.close(); connection.close(); }</span> |
| <span class="source-line-no">331</span><span id="line-331"> */</span> |
| <span class="source-line-no">332</span><span id="line-332"></span> |
| <span class="source-line-no">333</span><span id="line-333"> @Test</span> |
| <span class="source-line-no">334</span><span id="line-334"> public void testLocateRegionsWithRegionReplicas() throws IOException {</span> |
| <span class="source-line-no">335</span><span id="line-335"> int regionReplication = 3;</span> |
| <span class="source-line-no">336</span><span id="line-336"> byte[] family = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">337</span><span id="line-337"> TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">338</span><span id="line-338"></span> |
| <span class="source-line-no">339</span><span id="line-339"> // Create a table with region replicas</span> |
| <span class="source-line-no">340</span><span id="line-340"> TableDescriptorBuilder builder =</span> |
| <span class="source-line-no">341</span><span id="line-341"> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(regionReplication)</span> |
| <span class="source-line-no">342</span><span id="line-342"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family));</span> |
| <span class="source-line-no">343</span><span id="line-343"> TEST_UTIL.getAdmin().createTable(builder.build());</span> |
| <span class="source-line-no">344</span><span id="line-344"></span> |
| <span class="source-line-no">345</span><span id="line-345"> try (Connection conn = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">346</span><span id="line-346"> RegionLocator locator = conn.getRegionLocator(tableName)) {</span> |
| <span class="source-line-no">347</span><span id="line-347"> // Get locations of the regions of the table</span> |
| <span class="source-line-no">348</span><span id="line-348"> List<HRegionLocation> locations = locator.getAllRegionLocations();</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> // The size of the returned locations should be 3</span> |
| <span class="source-line-no">351</span><span id="line-351"> assertEquals(regionReplication, locations.size());</span> |
| <span class="source-line-no">352</span><span id="line-352"></span> |
| <span class="source-line-no">353</span><span id="line-353"> // The replicaIds of the returned locations should be 0, 1 and 2</span> |
| <span class="source-line-no">354</span><span id="line-354"> Set<Integer> expectedReplicaIds =</span> |
| <span class="source-line-no">355</span><span id="line-355"> IntStream.range(0, regionReplication).boxed().collect(Collectors.toSet());</span> |
| <span class="source-line-no">356</span><span id="line-356"> for (HRegionLocation location : locations) {</span> |
| <span class="source-line-no">357</span><span id="line-357"> assertTrue(expectedReplicaIds.remove(location.getRegion().getReplicaId()));</span> |
| <span class="source-line-no">358</span><span id="line-358"> }</span> |
| <span class="source-line-no">359</span><span id="line-359"> } finally {</span> |
| <span class="source-line-no">360</span><span id="line-360"> TEST_UTIL.deleteTable(tableName);</span> |
| <span class="source-line-no">361</span><span id="line-361"> }</span> |
| <span class="source-line-no">362</span><span id="line-362"> }</span> |
| <span class="source-line-no">363</span><span id="line-363"></span> |
| <span class="source-line-no">364</span><span id="line-364"> @Test(expected = DoNotRetryIOException.class)</span> |
| <span class="source-line-no">365</span><span id="line-365"> public void testClosedConnection() throws ServiceException, Throwable {</span> |
| <span class="source-line-no">366</span><span id="line-366"> byte[] family = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">367</span><span id="line-367"> TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">368</span><span id="line-368"> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(tableName)</span> |
| <span class="source-line-no">369</span><span id="line-369"> .setCoprocessor(MultiRowMutationEndpoint.class.getName())</span> |
| <span class="source-line-no">370</span><span id="line-370"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family));</span> |
| <span class="source-line-no">371</span><span id="line-371"> TEST_UTIL.getAdmin().createTable(builder.build());</span> |
| <span class="source-line-no">372</span><span id="line-372"></span> |
| <span class="source-line-no">373</span><span id="line-373"> Connection conn = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">374</span><span id="line-374"> // cache the location</span> |
| <span class="source-line-no">375</span><span id="line-375"> try (Table table = conn.getTable(tableName)) {</span> |
| <span class="source-line-no">376</span><span id="line-376"> table.get(new Get(Bytes.toBytes(0)));</span> |
| <span class="source-line-no">377</span><span id="line-377"> } finally {</span> |
| <span class="source-line-no">378</span><span id="line-378"> conn.close();</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"> Batch.Call<MultiRowMutationService, MutateRowsResponse> callable = service -> {</span> |
| <span class="source-line-no">381</span><span id="line-381"> throw new RuntimeException("Should not arrive here");</span> |
| <span class="source-line-no">382</span><span id="line-382"> };</span> |
| <span class="source-line-no">383</span><span id="line-383"> conn.getTable(tableName).coprocessorService(MultiRowMutationService.class,</span> |
| <span class="source-line-no">384</span><span id="line-384"> HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW, callable);</span> |
| <span class="source-line-no">385</span><span id="line-385"> }</span> |
| <span class="source-line-no">386</span><span id="line-386"></span> |
| <span class="source-line-no">387</span><span id="line-387"> // There is no assertion, but you need to confirm that there is no resource leak output from netty</span> |
| <span class="source-line-no">388</span><span id="line-388"> @Test</span> |
| <span class="source-line-no">389</span><span id="line-389"> public void testCancelConnectionMemoryLeak() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">390</span><span id="line-390"> TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">391</span><span id="line-391"> TEST_UTIL.createTable(tableName, FAM_NAM).close();</span> |
| <span class="source-line-no">392</span><span id="line-392"> TEST_UTIL.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">393</span><span id="line-393"> try (Connection connection = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">394</span><span id="line-394"> Table table = connection.getTable(tableName)) {</span> |
| <span class="source-line-no">395</span><span id="line-395"> table.get(new Get(Bytes.toBytes("1")));</span> |
| <span class="source-line-no">396</span><span id="line-396"> ServerName sn = TEST_UTIL.getRSForFirstRegionInTable(tableName).getServerName();</span> |
| <span class="source-line-no">397</span><span id="line-397"> RpcClient rpcClient = ((AsyncConnectionImpl) connection.toAsyncConnection()).rpcClient;</span> |
| <span class="source-line-no">398</span><span id="line-398"> rpcClient.cancelConnections(sn);</span> |
| <span class="source-line-no">399</span><span id="line-399"> Thread.sleep(1000);</span> |
| <span class="source-line-no">400</span><span id="line-400"> System.gc();</span> |
| <span class="source-line-no">401</span><span id="line-401"> Thread.sleep(1000);</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"> }</span> |
| <span class="source-line-no">404</span><span id="line-404">}</span> |
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