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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.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertThrows;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileStatus;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.FileSystem;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.fs.Path;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.StartTestingClusterOption;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.TableName;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Put;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Table;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.master.procedure.AbstractStateMachineNamespaceProcedure;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.master.procedure.TableProcedureInterface;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.FSTableDescriptors;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.AfterClass;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.BeforeClass;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.ClassRule;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.Test;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.experimental.categories.Category;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span>/**<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * Testcase for HBASE-21154.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TestMigrateNamespaceTable {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestMigrateNamespaceTable.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static volatile boolean CONTINUE = false;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> // used to halt the migration procedure<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> public static final class SuspendProcedure extends Procedure<MasterProcedureEnv><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> implements TableProcedureInterface {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> @Override<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public TableName getTableName() {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> return TableName.META_TABLE_NAME;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public TableOperationType getTableOperationType() {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> return TableOperationType.CREATE;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> @Override<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> protected LockState acquireLock(final MasterProcedureEnv env) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if (env.getProcedureScheduler().waitTableExclusiveLock(this, getTableName())) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return LockState.LOCK_EVENT_WAIT;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> return LockState.LOCK_ACQUIRED;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> @Override<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> protected void releaseLock(final MasterProcedureEnv env) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> env.getProcedureScheduler().wakeTableExclusiveLock(this, getTableName());<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> @Override<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> protected boolean holdLock(MasterProcedureEnv env) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> return true;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> @Override<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> protected Procedure<MasterProcedureEnv>[] execute(MasterProcedureEnv env)<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> throws ProcedureYieldException, ProcedureSuspendedException, InterruptedException {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (CONTINUE) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> return null;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> throw suspend(1000, true);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> @Override<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> env.getProcedureScheduler().addFront(this);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> return false;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> @Override<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> protected void rollback(MasterProcedureEnv env) throws IOException, InterruptedException {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> throw new UnsupportedOperationException();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> @Override<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> protected boolean abort(MasterProcedureEnv env) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return true;<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> @Override<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<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> @Override<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<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> @BeforeClass<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public static void setUp() throws Exception {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> StartTestingClusterOption option = StartTestingClusterOption.builder().numMasters(1)<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> .numAlwaysStandByMasters(1).numRegionServers(1).build();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> UTIL.startMiniCluster(option);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> @AfterClass<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public static void tearDown() throws Exception {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> UTIL.shutdownMiniCluster();<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // simulate upgrading scenario, where we do not have the ns family<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> private void removeNamespaceFamily() throws IOException {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> FileSystem fs = UTIL.getTestFileSystem();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> Path rootDir = CommonFSUtils.getRootDir(UTIL.getConfiguration());<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> Path tableDir = CommonFSUtils.getTableDir(rootDir, TableName.META_TABLE_NAME);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> TableDescriptor metaTableDesc = FSTableDescriptors.getTableDescriptorFromFs(fs, tableDir);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> TableDescriptor noNsMetaTableDesc = TableDescriptorBuilder.newBuilder(metaTableDesc)<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> .removeColumnFamily(HConstants.NAMESPACE_FAMILY).build();<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> FSTableDescriptors.createTableDescriptorForTableDirectory(fs, tableDir, noNsMetaTableDesc,<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> true);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> for (FileStatus status : fs.listStatus(tableDir)) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> if (!status.isDirectory()) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> continue;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> Path familyPath = new Path(status.getPath(), HConstants.NAMESPACE_FAMILY_STR);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> fs.delete(familyPath, true);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> private void addNamespace(Table table, NamespaceDescriptor nd) throws IOException {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> table.put(new Put(Bytes.toBytes(nd.getName())).addColumn(<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> TableDescriptorBuilder.NAMESPACE_FAMILY_INFO_BYTES,<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> TableDescriptorBuilder.NAMESPACE_COL_DESC_BYTES,<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> ProtobufUtil.toProtoNamespaceDescriptor(nd).toByteArray()));<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span><a name="line.178"></a> |
| <span class="sourceLineNo">179</span> @Test<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> public void testMigrate() throws IOException, InterruptedException {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> UTIL.getAdmin().createTable(TableDescriptorBuilder.NAMESPACE_TABLEDESC);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> try (Table table = UTIL.getConnection().getTable(TableName.NAMESPACE_TABLE_NAME)) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> for (int i = 0; i < 5; i++) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> NamespaceDescriptor nd = NamespaceDescriptor.create("Test-NS-" + i)<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> .addConfiguration("key-" + i, "value-" + i).build();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> addNamespace(table, nd);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> AbstractStateMachineNamespaceProcedure<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> .createDirectory(UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem(), nd);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> // add default and system<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> addNamespace(table, NamespaceDescriptor.DEFAULT_NAMESPACE);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> addNamespace(table, NamespaceDescriptor.SYSTEM_NAMESPACE);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> MasterThread masterThread = UTIL.getMiniHBaseCluster().getMasterThread();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> masterThread.getMaster().getMasterProcedureExecutor().submitProcedure(new SuspendProcedure());<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> masterThread.getMaster().stop("For testing");<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> masterThread.join();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> removeNamespaceFamily();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> UTIL.getMiniHBaseCluster().startMaster();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // 5 + default and system('hbase')<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> assertEquals(7, UTIL.getAdmin().listNamespaceDescriptors().length);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> for (int i = 0; i < 5; i++) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> NamespaceDescriptor nd = UTIL.getAdmin().getNamespaceDescriptor("Test-NS-" + i);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> assertEquals("Test-NS-" + i, nd.getName());<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> assertEquals(1, nd.getConfiguration().size());<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> assertEquals("value-" + i, nd.getConfigurationValue("key-" + i));<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> // before migration done, modification on the namespace is not supported<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> TableNamespaceManager tableNsMgr =<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> UTIL.getMiniHBaseCluster().getMaster().getClusterSchema().getTableNamespaceManager();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> assertThrows(IOException.class, () -> tableNsMgr.deleteNamespace("Test-NS-0"));<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> assertThrows(IOException.class,<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> () -> tableNsMgr.addOrUpdateNamespace(NamespaceDescriptor.create("NNN").build()));<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> CONTINUE = true;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> UTIL.waitFor(30000, () -> UTIL.getAdmin().isTableDisabled(TableName.NAMESPACE_TABLE_NAME));<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // this time it is allowed to change the namespace<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> UTIL.getAdmin().createNamespace(NamespaceDescriptor.create("NNN").build());<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> masterThread = UTIL.getMiniHBaseCluster().getMasterThread();<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> masterThread.getMaster().stop("For testing");<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> masterThread.join();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> UTIL.getMiniHBaseCluster().startMaster();<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // make sure that we could still restart the cluster after disabling the namespace table.<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> assertEquals(8, UTIL.getAdmin().listNamespaceDescriptors().length);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> // let's delete the namespace table<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> UTIL.getAdmin().deleteTable(TableName.NAMESPACE_TABLE_NAME);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> assertFalse(UTIL.getAdmin().tableExists(TableName.NAMESPACE_TABLE_NAME));<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
