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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.master;<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.assertArrayEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertFalse;<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.List;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Map;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.atomic.AtomicReference;<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.fs.FileSystem;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.CatalogFamilyFormat;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ClientMetaTableAccessor;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HConstants;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.ServerName;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.TableName;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.UnknownRegionException;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.Result;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.Table;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.apache.hadoop.util.StringUtils;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.junit.AfterClass;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.junit.BeforeClass;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.junit.ClassRule;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.junit.Rule;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.junit.Test;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.junit.experimental.categories.Category;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.junit.rules.TestName;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.slf4j.Logger;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.slf4j.LoggerFactory;<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.apache.hbase.thirdparty.com.google.common.base.Joiner;<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.73"></a>
<span class="sourceLineNo">074</span>public class TestMaster {<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span> @ClassRule<a name="line.76"></a>
<span class="sourceLineNo">077</span> public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestMaster.class);<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.79"></a>
<span class="sourceLineNo">080</span> private static final Logger LOG = LoggerFactory.getLogger(TestMaster.class);<a name="line.80"></a>
<span class="sourceLineNo">081</span> private static final TableName TABLENAME = TableName.valueOf("TestMaster");<a name="line.81"></a>
<span class="sourceLineNo">082</span> private static final byte[] FAMILYNAME = Bytes.toBytes("fam");<a name="line.82"></a>
<span class="sourceLineNo">083</span> private static Admin admin;<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> @Rule<a name="line.85"></a>
<span class="sourceLineNo">086</span> public TestName name = new TestName();<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> @BeforeClass<a name="line.88"></a>
<span class="sourceLineNo">089</span> public static void beforeAllTests() throws Exception {<a name="line.89"></a>
<span class="sourceLineNo">090</span> // we will retry operations when PleaseHoldException is thrown<a name="line.90"></a>
<span class="sourceLineNo">091</span> TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 3);<a name="line.91"></a>
<span class="sourceLineNo">092</span> // Set hbase.min.version.move.system.tables as version 0 so that<a name="line.92"></a>
<span class="sourceLineNo">093</span> // testMoveRegionWhenNotInitialized never fails even if hbase-default has valid default<a name="line.93"></a>
<span class="sourceLineNo">094</span> // value present for production use-case.<a name="line.94"></a>
<span class="sourceLineNo">095</span> // See HBASE-22923 for details.<a name="line.95"></a>
<span class="sourceLineNo">096</span> TEST_UTIL.getConfiguration().set("hbase.min.version.move.system.tables", "0.0.0");<a name="line.96"></a>
<span class="sourceLineNo">097</span> // Start a cluster of two regionservers.<a name="line.97"></a>
<span class="sourceLineNo">098</span> TEST_UTIL.startMiniCluster(2);<a name="line.98"></a>
<span class="sourceLineNo">099</span> admin = TEST_UTIL.getAdmin();<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> @AfterClass<a name="line.102"></a>
<span class="sourceLineNo">103</span> public static void afterAllTests() throws Exception {<a name="line.103"></a>
<span class="sourceLineNo">104</span> TEST_UTIL.shutdownMiniCluster();<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> /**<a name="line.107"></a>
<span class="sourceLineNo">108</span> * Return the region and current deployment for the region containing the given row. If the region<a name="line.108"></a>
<span class="sourceLineNo">109</span> * cannot be found, returns null. If it is found, but not currently deployed, the second element<a name="line.109"></a>
<span class="sourceLineNo">110</span> * of the pair may be null.<a name="line.110"></a>
<span class="sourceLineNo">111</span> */<a name="line.111"></a>
<span class="sourceLineNo">112</span> private Pair&lt;RegionInfo, ServerName&gt; getTableRegionForRow(HMaster master, TableName tableName,<a name="line.112"></a>
<span class="sourceLineNo">113</span> byte[] rowKey) throws IOException {<a name="line.113"></a>
<span class="sourceLineNo">114</span> final AtomicReference&lt;Pair&lt;RegionInfo, ServerName&gt;&gt; result = new AtomicReference&lt;&gt;(null);<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span> ClientMetaTableAccessor.Visitor visitor = new ClientMetaTableAccessor.Visitor() {<a name="line.116"></a>
<span class="sourceLineNo">117</span> @Override<a name="line.117"></a>
<span class="sourceLineNo">118</span> public boolean visit(Result data) throws IOException {<a name="line.118"></a>
<span class="sourceLineNo">119</span> if (data == null || data.size() &lt;= 0) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> return true;<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span> Pair&lt;RegionInfo, ServerName&gt; pair = new Pair&lt;&gt;(CatalogFamilyFormat.getRegionInfo(data),<a name="line.122"></a>
<span class="sourceLineNo">123</span> CatalogFamilyFormat.getServerName(data, 0));<a name="line.123"></a>
<span class="sourceLineNo">124</span> if (!pair.getFirst().getTable().equals(tableName)) {<a name="line.124"></a>
<span class="sourceLineNo">125</span> return false;<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span> result.set(pair);<a name="line.127"></a>
<span class="sourceLineNo">128</span> return true;<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> };<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> MetaTableAccessor.scanMeta(master.getConnection(), visitor, tableName, rowKey, 1);<a name="line.132"></a>
<span class="sourceLineNo">133</span> return result.get();<a name="line.133"></a>
<span class="sourceLineNo">134</span> }<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span> @Test<a name="line.136"></a>
<span class="sourceLineNo">137</span> @SuppressWarnings("deprecation")<a name="line.137"></a>
<span class="sourceLineNo">138</span> public void testMasterOpsWhileSplitting() throws Exception {<a name="line.138"></a>
<span class="sourceLineNo">139</span> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.139"></a>
<span class="sourceLineNo">140</span> HMaster m = cluster.getMaster();<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span> try (Table ht = TEST_UTIL.createTable(TABLENAME, FAMILYNAME)) {<a name="line.142"></a>
<span class="sourceLineNo">143</span> assertTrue(m.getTableStateManager().isTableState(TABLENAME, TableState.State.ENABLED));<a name="line.143"></a>
<span class="sourceLineNo">144</span> TEST_UTIL.loadTable(ht, FAMILYNAME, false);<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> List&lt;Pair&lt;RegionInfo, ServerName&gt;&gt; tableRegions =<a name="line.147"></a>
<span class="sourceLineNo">148</span> MetaTableAccessor.getTableRegionsAndLocations(m.getConnection(), TABLENAME);<a name="line.148"></a>
<span class="sourceLineNo">149</span> LOG.info("Regions after load: " + Joiner.on(',').join(tableRegions));<a name="line.149"></a>
<span class="sourceLineNo">150</span> assertEquals(1, tableRegions.size());<a name="line.150"></a>
<span class="sourceLineNo">151</span> assertArrayEquals(HConstants.EMPTY_START_ROW, tableRegions.get(0).getFirst().getStartKey());<a name="line.151"></a>
<span class="sourceLineNo">152</span> assertArrayEquals(HConstants.EMPTY_END_ROW, tableRegions.get(0).getFirst().getEndKey());<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span> // Now trigger a split and stop when the split is in progress<a name="line.154"></a>
<span class="sourceLineNo">155</span> LOG.info("Splitting table");<a name="line.155"></a>
<span class="sourceLineNo">156</span> TEST_UTIL.getAdmin().split(TABLENAME);<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> LOG.info("Making sure we can call getTableRegions while opening");<a name="line.158"></a>
<span class="sourceLineNo">159</span> while (tableRegions.size() &lt; 3) {<a name="line.159"></a>
<span class="sourceLineNo">160</span> tableRegions =<a name="line.160"></a>
<span class="sourceLineNo">161</span> MetaTableAccessor.getTableRegionsAndLocations(m.getConnection(), TABLENAME, false);<a name="line.161"></a>
<span class="sourceLineNo">162</span> Thread.sleep(100);<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span> LOG.info("Regions: " + Joiner.on(',').join(tableRegions));<a name="line.164"></a>
<span class="sourceLineNo">165</span> // We have three regions because one is split-in-progress<a name="line.165"></a>
<span class="sourceLineNo">166</span> assertEquals(3, tableRegions.size());<a name="line.166"></a>
<span class="sourceLineNo">167</span> LOG.info("Making sure we can call getTableRegionClosest while opening");<a name="line.167"></a>
<span class="sourceLineNo">168</span> Pair&lt;RegionInfo, ServerName&gt; pair = getTableRegionForRow(m, TABLENAME, Bytes.toBytes("cde"));<a name="line.168"></a>
<span class="sourceLineNo">169</span> LOG.info("Result is: " + pair);<a name="line.169"></a>
<span class="sourceLineNo">170</span> Pair&lt;RegionInfo, ServerName&gt; tableRegionFromName =<a name="line.170"></a>
<span class="sourceLineNo">171</span> MetaTableAccessor.getRegion(m.getConnection(), pair.getFirst().getRegionName());<a name="line.171"></a>
<span class="sourceLineNo">172</span> assertTrue(RegionInfo.COMPARATOR.compare(tableRegionFromName.getFirst(), pair.getFirst()) == 0);<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> @Test<a name="line.175"></a>
<span class="sourceLineNo">176</span> public void testMoveRegionWhenNotInitialized() {<a name="line.176"></a>
<span class="sourceLineNo">177</span> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.177"></a>
<span class="sourceLineNo">178</span> HMaster m = cluster.getMaster();<a name="line.178"></a>
<span class="sourceLineNo">179</span> try {<a name="line.179"></a>
<span class="sourceLineNo">180</span> m.setInitialized(false); // fake it, set back later<a name="line.180"></a>
<span class="sourceLineNo">181</span> RegionInfo meta = RegionInfoBuilder.FIRST_META_REGIONINFO;<a name="line.181"></a>
<span class="sourceLineNo">182</span> m.move(meta.getEncodedNameAsBytes(), null);<a name="line.182"></a>
<span class="sourceLineNo">183</span> fail("Region should not be moved since master is not initialized");<a name="line.183"></a>
<span class="sourceLineNo">184</span> } catch (IOException ioe) {<a name="line.184"></a>
<span class="sourceLineNo">185</span> assertTrue(ioe instanceof PleaseHoldException);<a name="line.185"></a>
<span class="sourceLineNo">186</span> } finally {<a name="line.186"></a>
<span class="sourceLineNo">187</span> m.setInitialized(true);<a name="line.187"></a>
<span class="sourceLineNo">188</span> }<a name="line.188"></a>
<span class="sourceLineNo">189</span> }<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span> @Test<a name="line.191"></a>
<span class="sourceLineNo">192</span> public void testMoveThrowsUnknownRegionException() throws IOException {<a name="line.192"></a>
<span class="sourceLineNo">193</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.193"></a>
<span class="sourceLineNo">194</span> TableDescriptorBuilder tableDescriptorBuilder = TableDescriptorBuilder.newBuilder(tableName);<a name="line.194"></a>
<span class="sourceLineNo">195</span> ColumnFamilyDescriptor columnFamilyDescriptor =<a name="line.195"></a>
<span class="sourceLineNo">196</span> ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("value")).build();<a name="line.196"></a>
<span class="sourceLineNo">197</span> tableDescriptorBuilder.setColumnFamily(columnFamilyDescriptor);<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span> admin.createTable(tableDescriptorBuilder.build());<a name="line.199"></a>
<span class="sourceLineNo">200</span> try {<a name="line.200"></a>
<span class="sourceLineNo">201</span> RegionInfo hri = RegionInfoBuilder.newBuilder(tableName).setStartKey(Bytes.toBytes("A"))<a name="line.201"></a>
<span class="sourceLineNo">202</span> .setEndKey(Bytes.toBytes("Z")).build();<a name="line.202"></a>
<span class="sourceLineNo">203</span> admin.move(hri.getEncodedNameAsBytes());<a name="line.203"></a>
<span class="sourceLineNo">204</span> fail("Region should not be moved since it is fake");<a name="line.204"></a>
<span class="sourceLineNo">205</span> } catch (IOException ioe) {<a name="line.205"></a>
<span class="sourceLineNo">206</span> assertTrue(ioe instanceof UnknownRegionException);<a name="line.206"></a>
<span class="sourceLineNo">207</span> } finally {<a name="line.207"></a>
<span class="sourceLineNo">208</span> TEST_UTIL.deleteTable(tableName);<a name="line.208"></a>
<span class="sourceLineNo">209</span> }<a name="line.209"></a>
<span class="sourceLineNo">210</span> }<a name="line.210"></a>
<span class="sourceLineNo">211</span><a name="line.211"></a>
<span class="sourceLineNo">212</span> @Test<a name="line.212"></a>
<span class="sourceLineNo">213</span> public void testMoveThrowsPleaseHoldException() throws IOException {<a name="line.213"></a>
<span class="sourceLineNo">214</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.214"></a>
<span class="sourceLineNo">215</span> HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();<a name="line.215"></a>
<span class="sourceLineNo">216</span> TableDescriptorBuilder tableDescriptorBuilder = TableDescriptorBuilder.newBuilder(tableName);<a name="line.216"></a>
<span class="sourceLineNo">217</span> ColumnFamilyDescriptor columnFamilyDescriptor =<a name="line.217"></a>
<span class="sourceLineNo">218</span> ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("value")).build();<a name="line.218"></a>
<span class="sourceLineNo">219</span> tableDescriptorBuilder.setColumnFamily(columnFamilyDescriptor);<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span> admin.createTable(tableDescriptorBuilder.build());<a name="line.221"></a>
<span class="sourceLineNo">222</span> try {<a name="line.222"></a>
<span class="sourceLineNo">223</span> List&lt;RegionInfo&gt; tableRegions = admin.getRegions(tableName);<a name="line.223"></a>
<span class="sourceLineNo">224</span><a name="line.224"></a>
<span class="sourceLineNo">225</span> master.setInitialized(false); // fake it, set back later<a name="line.225"></a>
<span class="sourceLineNo">226</span> admin.move(tableRegions.get(0).getEncodedNameAsBytes());<a name="line.226"></a>
<span class="sourceLineNo">227</span> fail("Region should not be moved since master is not initialized");<a name="line.227"></a>
<span class="sourceLineNo">228</span> } catch (IOException ioe) {<a name="line.228"></a>
<span class="sourceLineNo">229</span> assertTrue(StringUtils.stringifyException(ioe).contains("PleaseHoldException"));<a name="line.229"></a>
<span class="sourceLineNo">230</span> } finally {<a name="line.230"></a>
<span class="sourceLineNo">231</span> master.setInitialized(true);<a name="line.231"></a>
<span class="sourceLineNo">232</span> TEST_UTIL.deleteTable(tableName);<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><a name="line.235"></a>
<span class="sourceLineNo">236</span> @Test<a name="line.236"></a>
<span class="sourceLineNo">237</span> public void testFlushedSequenceIdPersistLoad() throws Exception {<a name="line.237"></a>
<span class="sourceLineNo">238</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.238"></a>
<span class="sourceLineNo">239</span> int msgInterval = conf.getInt("hbase.regionserver.msginterval", 100);<a name="line.239"></a>
<span class="sourceLineNo">240</span> // insert some data into META<a name="line.240"></a>
<span class="sourceLineNo">241</span> TableName tableName = TableName.valueOf("testFlushSeqId");<a name="line.241"></a>
<span class="sourceLineNo">242</span> TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)<a name="line.242"></a>
<span class="sourceLineNo">243</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(Bytes.toBytes("cf"))).build();<a name="line.243"></a>
<span class="sourceLineNo">244</span> Table table = TEST_UTIL.createTable(tableDescriptor, null);<a name="line.244"></a>
<span class="sourceLineNo">245</span> // flush META region<a name="line.245"></a>
<span class="sourceLineNo">246</span> TEST_UTIL.flush(TableName.META_TABLE_NAME);<a name="line.246"></a>
<span class="sourceLineNo">247</span> // wait for regionserver report<a name="line.247"></a>
<span class="sourceLineNo">248</span> Threads.sleep(msgInterval * 2);<a name="line.248"></a>
<span class="sourceLineNo">249</span> // record flush seqid before cluster shutdown<a name="line.249"></a>
<span class="sourceLineNo">250</span> Map&lt;byte[], Long&gt; regionMapBefore =<a name="line.250"></a>
<span class="sourceLineNo">251</span> TEST_UTIL.getHBaseCluster().getMaster().getServerManager().getFlushedSequenceIdByRegion();<a name="line.251"></a>
<span class="sourceLineNo">252</span> // restart hbase cluster which will cause flushed sequence id persist and reload<a name="line.252"></a>
<span class="sourceLineNo">253</span> TEST_UTIL.getMiniHBaseCluster().shutdown();<a name="line.253"></a>
<span class="sourceLineNo">254</span> TEST_UTIL.restartHBaseCluster(2);<a name="line.254"></a>
<span class="sourceLineNo">255</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.255"></a>
<span class="sourceLineNo">256</span> // check equality after reloading flushed sequence id map<a name="line.256"></a>
<span class="sourceLineNo">257</span> Map&lt;byte[], Long&gt; regionMapAfter =<a name="line.257"></a>
<span class="sourceLineNo">258</span> TEST_UTIL.getHBaseCluster().getMaster().getServerManager().getFlushedSequenceIdByRegion();<a name="line.258"></a>
<span class="sourceLineNo">259</span> assertTrue(regionMapBefore.equals(regionMapAfter));<a name="line.259"></a>
<span class="sourceLineNo">260</span> }<a name="line.260"></a>
<span class="sourceLineNo">261</span><a name="line.261"></a>
<span class="sourceLineNo">262</span> @Test<a name="line.262"></a>
<span class="sourceLineNo">263</span> public void testBlockingHbkc1WithLockFile() throws IOException {<a name="line.263"></a>
<span class="sourceLineNo">264</span> // This is how the patch to the lock file is created inside in HBaseFsck. Too hard to use its<a name="line.264"></a>
<span class="sourceLineNo">265</span> // actual method without disturbing HBaseFsck... Do the below mimic instead.<a name="line.265"></a>
<span class="sourceLineNo">266</span> Path hbckLockPath =<a name="line.266"></a>
<span class="sourceLineNo">267</span> new Path(HBaseFsck.getTmpDir(TEST_UTIL.getConfiguration()), HBaseFsck.HBCK_LOCK_FILE);<a name="line.267"></a>
<span class="sourceLineNo">268</span> FileSystem fs = TEST_UTIL.getTestFileSystem();<a name="line.268"></a>
<span class="sourceLineNo">269</span> assertTrue(fs.exists(hbckLockPath));<a name="line.269"></a>
<span class="sourceLineNo">270</span> TEST_UTIL.getMiniHBaseCluster()<a name="line.270"></a>
<span class="sourceLineNo">271</span> .killMaster(TEST_UTIL.getMiniHBaseCluster().getMaster().getServerName());<a name="line.271"></a>
<span class="sourceLineNo">272</span> assertTrue(fs.exists(hbckLockPath));<a name="line.272"></a>
<span class="sourceLineNo">273</span> TEST_UTIL.getMiniHBaseCluster().startMaster();<a name="line.273"></a>
<span class="sourceLineNo">274</span> TEST_UTIL.waitFor(30000, () -&gt; TEST_UTIL.getMiniHBaseCluster().getMaster() != null<a name="line.274"></a>
<span class="sourceLineNo">275</span> &amp;&amp; TEST_UTIL.getMiniHBaseCluster().getMaster().isInitialized());<a name="line.275"></a>
<span class="sourceLineNo">276</span> assertTrue(fs.exists(hbckLockPath));<a name="line.276"></a>
<span class="sourceLineNo">277</span> // Start a second Master. Should be fine.<a name="line.277"></a>
<span class="sourceLineNo">278</span> TEST_UTIL.getMiniHBaseCluster().startMaster();<a name="line.278"></a>
<span class="sourceLineNo">279</span> assertTrue(fs.exists(hbckLockPath));<a name="line.279"></a>
<span class="sourceLineNo">280</span> fs.delete(hbckLockPath, true);<a name="line.280"></a>
<span class="sourceLineNo">281</span> assertFalse(fs.exists(hbckLockPath));<a name="line.281"></a>
<span class="sourceLineNo">282</span> // Kill all Masters.<a name="line.282"></a>
<span class="sourceLineNo">283</span> TEST_UTIL.getMiniHBaseCluster().getLiveMasterThreads().stream()<a name="line.283"></a>
<span class="sourceLineNo">284</span> .map(sn -&gt; sn.getMaster().getServerName()).forEach(sn -&gt; {<a name="line.284"></a>
<span class="sourceLineNo">285</span> try {<a name="line.285"></a>
<span class="sourceLineNo">286</span> TEST_UTIL.getMiniHBaseCluster().killMaster(sn);<a name="line.286"></a>
<span class="sourceLineNo">287</span> } catch (IOException e) {<a name="line.287"></a>
<span class="sourceLineNo">288</span> e.printStackTrace();<a name="line.288"></a>
<span class="sourceLineNo">289</span> }<a name="line.289"></a>
<span class="sourceLineNo">290</span> });<a name="line.290"></a>
<span class="sourceLineNo">291</span> // Start a new one.<a name="line.291"></a>
<span class="sourceLineNo">292</span> TEST_UTIL.getMiniHBaseCluster().startMaster();<a name="line.292"></a>
<span class="sourceLineNo">293</span> TEST_UTIL.waitFor(30000, () -&gt; TEST_UTIL.getMiniHBaseCluster().getMaster() != null<a name="line.293"></a>
<span class="sourceLineNo">294</span> &amp;&amp; TEST_UTIL.getMiniHBaseCluster().getMaster().isInitialized());<a name="line.294"></a>
<span class="sourceLineNo">295</span> // Assert lock gets put in place again.<a name="line.295"></a>
<span class="sourceLineNo">296</span> assertTrue(fs.exists(hbckLockPath));<a name="line.296"></a>
<span class="sourceLineNo">297</span> }<a name="line.297"></a>
<span class="sourceLineNo">298</span><a name="line.298"></a>
<span class="sourceLineNo">299</span> @Test<a name="line.299"></a>
<span class="sourceLineNo">300</span> public void testInstallShutdownHook() throws IOException {<a name="line.300"></a>
<span class="sourceLineNo">301</span> // Test for HBASE-26951<a name="line.301"></a>
<span class="sourceLineNo">302</span> assertTrue(TEST_UTIL.getHBaseCluster().getMaster().isShutdownHookInstalled());<a name="line.302"></a>
<span class="sourceLineNo">303</span> }<a name="line.303"></a>
<span class="sourceLineNo">304</span>}<a name="line.304"></a>
</pre>
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