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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 static org.hamcrest.CoreMatchers.instanceOf;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.hamcrest.MatcherAssert.assertThat;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertEquals;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.fail;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.NavigableSet;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.FileSystem;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.fs.Path;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.Cell;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HConstants;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.TableName;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.exceptions.ScannerResetException;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.DelegatingKeyValueScanner;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.regionserver.HStore;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.regionserver.KeyValueScanner;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.regionserver.ReversedStoreScanner;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.regionserver.ScanInfo;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.regionserver.StoreScanner;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.AfterClass;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.BeforeClass;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.ClassRule;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.Rule;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.Test;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.junit.experimental.categories.Category;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.junit.rules.TestName;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span>@Category({ MediumTests.class, ClientTests.class })<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>public class TestFromClientSideScanExcpetion {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> @ClassRule<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> HBaseClassTestRule.forClass(TestFromClientSideScanExcpetion.class);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> protected final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static int SLAVES = 3;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> @Rule<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public TestName name = new TestName();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> @BeforeClass<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public static void setUpBeforeClass() throws Exception {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 3);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> conf.setLong(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, 6000000);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> conf.setClass(HConstants.REGION_IMPL, MyHRegion.class, HRegion.class);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> conf.setBoolean("hbase.client.log.scanner.activity", true);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> // We need more than one region server in this test<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> TEST_UTIL.startMiniCluster(SLAVES);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @AfterClass<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public static void tearDownAfterClass() throws Exception {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> TEST_UTIL.shutdownMiniCluster();<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> private static AtomicBoolean ON = new AtomicBoolean(false);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> private static AtomicLong REQ_COUNT = new AtomicLong(0);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private static AtomicBoolean IS_DO_NOT_RETRY = new AtomicBoolean(false); // whether to throw<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // DNRIOE<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> private static AtomicBoolean THROW_ONCE = new AtomicBoolean(true); // whether to only throw once<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private static void reset() {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> ON.set(false);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> REQ_COUNT.set(0);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> IS_DO_NOT_RETRY.set(false);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> THROW_ONCE.set(true);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private static void inject() {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> ON.set(true);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public static final class MyHRegion extends HRegion {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> @SuppressWarnings("deprecation")<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public MyHRegion(Path tableDir, WAL wal, FileSystem fs, Configuration confParam,<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> RegionInfo regionInfo, TableDescriptor htd, RegionServerServices rsServices) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> super(tableDir, wal, fs, confParam, regionInfo, htd, rsServices);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @Override<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> protected HStore instantiateHStore(ColumnFamilyDescriptor family, boolean warmup)<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> throws IOException {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> return new MyHStore(this, family, conf, warmup);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> public static final class MyHStore extends HStore {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> public MyHStore(HRegion region, ColumnFamilyDescriptor family, Configuration confParam,<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> boolean warmup) throws IOException {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> super(region, family, confParam, warmup);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> @Override<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> protected KeyValueScanner createScanner(Scan scan, ScanInfo scanInfo,<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> NavigableSet<byte[]> targetCols, long readPt) throws IOException {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> return scan.isReversed() ? new ReversedStoreScanner(this, scanInfo, scan, targetCols, readPt)<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> : new MyStoreScanner(this, scanInfo, scan, targetCols, readPt);<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> public static final class MyStoreScanner extends StoreScanner {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public MyStoreScanner(HStore store, ScanInfo scanInfo, Scan scan, NavigableSet<byte[]> columns,<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> long readPt) throws IOException {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> super(store, scanInfo, scan, columns, readPt);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> @Override<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> protected List<KeyValueScanner> selectScannersFrom(HStore store,<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> List<? extends KeyValueScanner> allScanners) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> List<KeyValueScanner> scanners = super.selectScannersFrom(store, allScanners);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> List<KeyValueScanner> newScanners = new ArrayList<>(scanners.size());<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> for (KeyValueScanner scanner : scanners) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> newScanners.add(new DelegatingKeyValueScanner(scanner) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> @Override<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> public boolean reseek(Cell key) throws IOException {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> if (ON.get()) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> REQ_COUNT.incrementAndGet();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> if (!THROW_ONCE.get() || REQ_COUNT.get() == 1) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> if (IS_DO_NOT_RETRY.get()) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> throw new DoNotRetryIOException("Injected exception");<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> } else {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> throw new IOException("Injected exception");<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> return super.reseek(key);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> });<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> return newScanners;<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> |
| <span class="sourceLineNo">174</span> /**<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * Tests the case where a Scan can throw an IOException in the middle of the seek / reseek leaving<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * the server side RegionScanner to be in dirty state. The client has to ensure that the<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * ClientScanner does not get an exception and also sees all the data.<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * @throws IOException<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * @throws InterruptedException<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> */<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> @Test<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> public void testClientScannerIsResetWhenScanThrowsIOException()<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> throws IOException, InterruptedException {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> reset();<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> THROW_ONCE.set(true); // throw exceptions only once<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> try (Table t = TEST_UTIL.createTable(tableName, FAMILY)) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> int rowCount = TEST_UTIL.loadTable(t, FAMILY, false);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> TEST_UTIL.getAdmin().flush(tableName);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> inject();<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> int actualRowCount = TEST_UTIL.countRows(t, new Scan().addColumn(FAMILY, FAMILY));<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> assertEquals(rowCount, actualRowCount);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> assertTrue(REQ_COUNT.get() > 0);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> /**<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * Tests the case where a coprocessor throws a DoNotRetryIOException in the scan. The expectation<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * is that the exception will bubble up to the client scanner instead of being retried.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> */<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> @Test<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> public void testScannerThrowsExceptionWhenCoprocessorThrowsDNRIOE()<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> throws IOException, InterruptedException {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> reset();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> IS_DO_NOT_RETRY.set(true);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> try (Table t = TEST_UTIL.createTable(tableName, FAMILY)) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> TEST_UTIL.loadTable(t, FAMILY, false);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> TEST_UTIL.getAdmin().flush(tableName);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> inject();<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> TEST_UTIL.countRows(t, new Scan().addColumn(FAMILY, FAMILY));<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> fail("Should have thrown an exception");<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> } catch (DoNotRetryIOException expected) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> // expected<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> assertTrue(REQ_COUNT.get() > 0);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> /**<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * Tests the case where a coprocessor throws a regular IOException in the scan. The expectation is<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> * that the we will keep on retrying, but fail after the retries are exhausted instead of retrying<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> * indefinitely.<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> */<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> @Test<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> public void testScannerFailsAfterRetriesWhenCoprocessorThrowsIOE()<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> throws IOException, InterruptedException {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> reset();<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> THROW_ONCE.set(false); // throw exceptions in every retry<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> try (Table t = TEST_UTIL.createTable(tableName, FAMILY)) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> TEST_UTIL.loadTable(t, FAMILY, false);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> TEST_UTIL.getAdmin().flush(tableName);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> inject();<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> TEST_UTIL.countRows(t, new Scan().addColumn(FAMILY, FAMILY));<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> fail("Should have thrown an exception");<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> } catch (ScannerResetException expected) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> // expected<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> } catch (RetriesExhaustedException e) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> // expected<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> assertThat(e.getCause(), instanceOf(ScannerResetException.class));<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> assertTrue(REQ_COUNT.get() >= 3);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span>}<a name="line.244"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
