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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.http.log;<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.assertNotEquals;<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.File;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.net.BindException;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.net.SocketException;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.net.URI;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.security.PrivilegedExceptionAction;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.Properties;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import javax.net.ssl.SSLException;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import javax.servlet.http.HttpServletResponse;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.commons.io.FileUtils;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.HadoopIllegalArgumentException;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.conf.Configuration;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.CommonConfigurationKeys;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.CommonConfigurationKeysPublic;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.fs.FileUtil;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HBaseCommonTestingUtil;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.http.HttpConfig;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.http.HttpServer;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.http.log.LogLevel.CLI;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.http.ssl.KeyStoreTestUtil;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hdfs.DFSConfigKeys;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.minikdc.MiniKdc;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.apache.hadoop.net.NetUtils;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hadoop.security.authorize.AccessControlList;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.apache.hadoop.security.ssl.SSLFactory;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.apache.hadoop.test.GenericTestUtils;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.apache.hadoop.util.StringUtils;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.junit.AfterClass;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.junit.BeforeClass;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.junit.ClassRule;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.junit.Test;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.junit.experimental.categories.Category;<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>/**<a name="line.63"></a>
<span class="sourceLineNo">064</span> * Test LogLevel.<a name="line.64"></a>
<span class="sourceLineNo">065</span> */<a name="line.65"></a>
<span class="sourceLineNo">066</span>@Category({ MiscTests.class, SmallTests.class })<a name="line.66"></a>
<span class="sourceLineNo">067</span>public class TestLogLevel {<a name="line.67"></a>
<span class="sourceLineNo">068</span> @ClassRule<a name="line.68"></a>
<span class="sourceLineNo">069</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.69"></a>
<span class="sourceLineNo">070</span> HBaseClassTestRule.forClass(TestLogLevel.class);<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> private static String keystoresDir;<a name="line.72"></a>
<span class="sourceLineNo">073</span> private static String sslConfDir;<a name="line.73"></a>
<span class="sourceLineNo">074</span> private static Configuration serverConf;<a name="line.74"></a>
<span class="sourceLineNo">075</span> private static Configuration clientConf;<a name="line.75"></a>
<span class="sourceLineNo">076</span> private static Configuration sslConf;<a name="line.76"></a>
<span class="sourceLineNo">077</span> private static final String logName = TestLogLevel.class.getName();<a name="line.77"></a>
<span class="sourceLineNo">078</span> private static final String protectedPrefix = "protected";<a name="line.78"></a>
<span class="sourceLineNo">079</span> private static final String protectedLogName = protectedPrefix + "." + logName;<a name="line.79"></a>
<span class="sourceLineNo">080</span> private static final org.apache.logging.log4j.Logger log =<a name="line.80"></a>
<span class="sourceLineNo">081</span> org.apache.logging.log4j.LogManager.getLogger(logName);<a name="line.81"></a>
<span class="sourceLineNo">082</span> private final static String PRINCIPAL = "loglevel.principal";<a name="line.82"></a>
<span class="sourceLineNo">083</span> private final static String KEYTAB = "loglevel.keytab";<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> private static MiniKdc kdc;<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span> private static final String LOCALHOST = "localhost";<a name="line.87"></a>
<span class="sourceLineNo">088</span> private static final String clientPrincipal = "client/" + LOCALHOST;<a name="line.88"></a>
<span class="sourceLineNo">089</span> private static String HTTP_PRINCIPAL = "HTTP/" + LOCALHOST;<a name="line.89"></a>
<span class="sourceLineNo">090</span> private static HBaseCommonTestingUtil HTU;<a name="line.90"></a>
<span class="sourceLineNo">091</span> private static File keyTabFile;<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> @BeforeClass<a name="line.93"></a>
<span class="sourceLineNo">094</span> public static void setUp() throws Exception {<a name="line.94"></a>
<span class="sourceLineNo">095</span> serverConf = new Configuration();<a name="line.95"></a>
<span class="sourceLineNo">096</span> serverConf.setStrings(LogLevel.READONLY_LOGGERS_CONF_KEY, protectedPrefix);<a name="line.96"></a>
<span class="sourceLineNo">097</span> HTU = new HBaseCommonTestingUtil(serverConf);<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span> File keystoreDir = new File(HTU.getDataTestDir("keystore").toString());<a name="line.99"></a>
<span class="sourceLineNo">100</span> keystoreDir.mkdirs();<a name="line.100"></a>
<span class="sourceLineNo">101</span> keyTabFile = new File(HTU.getDataTestDir("keytab").toString(), "keytabfile");<a name="line.101"></a>
<span class="sourceLineNo">102</span> keyTabFile.getParentFile().mkdirs();<a name="line.102"></a>
<span class="sourceLineNo">103</span> clientConf = new Configuration();<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span> setupSSL(keystoreDir);<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> kdc = setupMiniKdc();<a name="line.107"></a>
<span class="sourceLineNo">108</span> // Create two principles: a client and an HTTP principal<a name="line.108"></a>
<span class="sourceLineNo">109</span> kdc.createPrincipal(keyTabFile, clientPrincipal, HTTP_PRINCIPAL);<a name="line.109"></a>
<span class="sourceLineNo">110</span> }<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span> /**<a name="line.112"></a>
<span class="sourceLineNo">113</span> * Sets up {@link MiniKdc} for testing security. Copied from HBaseTestingUtility#setupMiniKdc().<a name="line.113"></a>
<span class="sourceLineNo">114</span> */<a name="line.114"></a>
<span class="sourceLineNo">115</span> static private MiniKdc setupMiniKdc() throws Exception {<a name="line.115"></a>
<span class="sourceLineNo">116</span> Properties conf = MiniKdc.createConf();<a name="line.116"></a>
<span class="sourceLineNo">117</span> conf.put(MiniKdc.DEBUG, true);<a name="line.117"></a>
<span class="sourceLineNo">118</span> MiniKdc kdc = null;<a name="line.118"></a>
<span class="sourceLineNo">119</span> File dir = null;<a name="line.119"></a>
<span class="sourceLineNo">120</span> // There is time lag between selecting a port and trying to bind with it. It's possible that<a name="line.120"></a>
<span class="sourceLineNo">121</span> // another service captures the port in between which'll result in BindException.<a name="line.121"></a>
<span class="sourceLineNo">122</span> boolean bindException;<a name="line.122"></a>
<span class="sourceLineNo">123</span> int numTries = 0;<a name="line.123"></a>
<span class="sourceLineNo">124</span> do {<a name="line.124"></a>
<span class="sourceLineNo">125</span> try {<a name="line.125"></a>
<span class="sourceLineNo">126</span> bindException = false;<a name="line.126"></a>
<span class="sourceLineNo">127</span> dir = new File(HTU.getDataTestDir("kdc").toUri().getPath());<a name="line.127"></a>
<span class="sourceLineNo">128</span> kdc = new MiniKdc(conf, dir);<a name="line.128"></a>
<span class="sourceLineNo">129</span> kdc.start();<a name="line.129"></a>
<span class="sourceLineNo">130</span> } catch (BindException e) {<a name="line.130"></a>
<span class="sourceLineNo">131</span> FileUtils.deleteDirectory(dir); // clean directory<a name="line.131"></a>
<span class="sourceLineNo">132</span> numTries++;<a name="line.132"></a>
<span class="sourceLineNo">133</span> if (numTries == 3) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> log.error("Failed setting up MiniKDC. Tried " + numTries + " times.");<a name="line.134"></a>
<span class="sourceLineNo">135</span> throw e;<a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span> log.error("BindException encountered when setting up MiniKdc. Trying again.");<a name="line.137"></a>
<span class="sourceLineNo">138</span> bindException = true;<a name="line.138"></a>
<span class="sourceLineNo">139</span> }<a name="line.139"></a>
<span class="sourceLineNo">140</span> } while (bindException);<a name="line.140"></a>
<span class="sourceLineNo">141</span> return kdc;<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span> static private void setupSSL(File base) throws Exception {<a name="line.144"></a>
<span class="sourceLineNo">145</span> clientConf.set(DFSConfigKeys.DFS_HTTP_POLICY_KEY, HttpConfig.Policy.HTTPS_ONLY.name());<a name="line.145"></a>
<span class="sourceLineNo">146</span> clientConf.set(DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY, "localhost:0");<a name="line.146"></a>
<span class="sourceLineNo">147</span> clientConf.set(DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_KEY, "localhost:0");<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> keystoresDir = base.getAbsolutePath();<a name="line.149"></a>
<span class="sourceLineNo">150</span> sslConfDir = KeyStoreTestUtil.getClasspathDir(TestLogLevel.class);<a name="line.150"></a>
<span class="sourceLineNo">151</span> KeyStoreTestUtil.setupSSLConfig(keystoresDir, sslConfDir, serverConf, false);<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span> sslConf = getSslConfig(serverConf);<a name="line.153"></a>
<span class="sourceLineNo">154</span> }<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span> /**<a name="line.156"></a>
<span class="sourceLineNo">157</span> * Get the SSL configuration. This method is copied from KeyStoreTestUtil#getSslConfig() in<a name="line.157"></a>
<span class="sourceLineNo">158</span> * Hadoop.<a name="line.158"></a>
<span class="sourceLineNo">159</span> * @return {@link Configuration} instance with ssl configs loaded.<a name="line.159"></a>
<span class="sourceLineNo">160</span> * @param conf to pull client/server SSL settings filename from<a name="line.160"></a>
<span class="sourceLineNo">161</span> */<a name="line.161"></a>
<span class="sourceLineNo">162</span> private static Configuration getSslConfig(Configuration conf) {<a name="line.162"></a>
<span class="sourceLineNo">163</span> Configuration sslConf = new Configuration(false);<a name="line.163"></a>
<span class="sourceLineNo">164</span> String sslServerConfFile = conf.get(SSLFactory.SSL_SERVER_CONF_KEY);<a name="line.164"></a>
<span class="sourceLineNo">165</span> String sslClientConfFile = conf.get(SSLFactory.SSL_CLIENT_CONF_KEY);<a name="line.165"></a>
<span class="sourceLineNo">166</span> sslConf.addResource(sslServerConfFile);<a name="line.166"></a>
<span class="sourceLineNo">167</span> sslConf.addResource(sslClientConfFile);<a name="line.167"></a>
<span class="sourceLineNo">168</span> sslConf.set(SSLFactory.SSL_SERVER_CONF_KEY, sslServerConfFile);<a name="line.168"></a>
<span class="sourceLineNo">169</span> sslConf.set(SSLFactory.SSL_CLIENT_CONF_KEY, sslClientConfFile);<a name="line.169"></a>
<span class="sourceLineNo">170</span> return sslConf;<a name="line.170"></a>
<span class="sourceLineNo">171</span> }<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span> @AfterClass<a name="line.173"></a>
<span class="sourceLineNo">174</span> public static void tearDown() {<a name="line.174"></a>
<span class="sourceLineNo">175</span> if (kdc != null) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> kdc.stop();<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> FileUtil.fullyDelete(new File(HTU.getDataTestDir().toString()));<a name="line.179"></a>
<span class="sourceLineNo">180</span> }<a name="line.180"></a>
<span class="sourceLineNo">181</span><a name="line.181"></a>
<span class="sourceLineNo">182</span> /**<a name="line.182"></a>
<span class="sourceLineNo">183</span> * Test client command line options. Does not validate server behavior.<a name="line.183"></a>
<span class="sourceLineNo">184</span> * @throws Exception if commands return unexpected results.<a name="line.184"></a>
<span class="sourceLineNo">185</span> */<a name="line.185"></a>
<span class="sourceLineNo">186</span> @Test<a name="line.186"></a>
<span class="sourceLineNo">187</span> public void testCommandOptions() throws Exception {<a name="line.187"></a>
<span class="sourceLineNo">188</span> final String className = this.getClass().getName();<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span> assertFalse(validateCommand(new String[] { "-foo" }));<a name="line.190"></a>
<span class="sourceLineNo">191</span> // fail due to insufficient number of arguments<a name="line.191"></a>
<span class="sourceLineNo">192</span> assertFalse(validateCommand(new String[] {}));<a name="line.192"></a>
<span class="sourceLineNo">193</span> assertFalse(validateCommand(new String[] { "-getlevel" }));<a name="line.193"></a>
<span class="sourceLineNo">194</span> assertFalse(validateCommand(new String[] { "-setlevel" }));<a name="line.194"></a>
<span class="sourceLineNo">195</span> assertFalse(validateCommand(new String[] { "-getlevel", "foo.bar:8080" }));<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> // valid command arguments<a name="line.197"></a>
<span class="sourceLineNo">198</span> assertTrue(validateCommand(new String[] { "-getlevel", "foo.bar:8080", className }));<a name="line.198"></a>
<span class="sourceLineNo">199</span> assertTrue(validateCommand(new String[] { "-setlevel", "foo.bar:8080", className, "DEBUG" }));<a name="line.199"></a>
<span class="sourceLineNo">200</span> assertTrue(validateCommand(new String[] { "-getlevel", "foo.bar:8080", className }));<a name="line.200"></a>
<span class="sourceLineNo">201</span> assertTrue(validateCommand(new String[] { "-setlevel", "foo.bar:8080", className, "DEBUG" }));<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span> // fail due to the extra argument<a name="line.203"></a>
<span class="sourceLineNo">204</span> assertFalse(validateCommand(new String[] { "-getlevel", "foo.bar:8080", className, "blah" }));<a name="line.204"></a>
<span class="sourceLineNo">205</span> assertFalse(<a name="line.205"></a>
<span class="sourceLineNo">206</span> validateCommand(new String[] { "-setlevel", "foo.bar:8080", className, "DEBUG", "blah" }));<a name="line.206"></a>
<span class="sourceLineNo">207</span> assertFalse(validateCommand(new String[] { "-getlevel", "foo.bar:8080", className, "-setlevel",<a name="line.207"></a>
<span class="sourceLineNo">208</span> "foo.bar:8080", className }));<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> * Check to see if a command can be accepted.<a name="line.212"></a>
<span class="sourceLineNo">213</span> * @param args a String array of arguments<a name="line.213"></a>
<span class="sourceLineNo">214</span> * @return true if the command can be accepted, false if not.<a name="line.214"></a>
<span class="sourceLineNo">215</span> */<a name="line.215"></a>
<span class="sourceLineNo">216</span> private boolean validateCommand(String[] args) {<a name="line.216"></a>
<span class="sourceLineNo">217</span> CLI cli = new CLI(clientConf);<a name="line.217"></a>
<span class="sourceLineNo">218</span> try {<a name="line.218"></a>
<span class="sourceLineNo">219</span> cli.parseArguments(args);<a name="line.219"></a>
<span class="sourceLineNo">220</span> } catch (HadoopIllegalArgumentException e) {<a name="line.220"></a>
<span class="sourceLineNo">221</span> return false;<a name="line.221"></a>
<span class="sourceLineNo">222</span> } catch (Exception e) {<a name="line.222"></a>
<span class="sourceLineNo">223</span> // this is used to verify the command arguments only.<a name="line.223"></a>
<span class="sourceLineNo">224</span> // no HadoopIllegalArgumentException = the arguments are good.<a name="line.224"></a>
<span class="sourceLineNo">225</span> return true;<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
<span class="sourceLineNo">227</span> return true;<a name="line.227"></a>
<span class="sourceLineNo">228</span> }<a name="line.228"></a>
<span class="sourceLineNo">229</span><a name="line.229"></a>
<span class="sourceLineNo">230</span> /**<a name="line.230"></a>
<span class="sourceLineNo">231</span> * Creates and starts a Jetty server binding at an ephemeral port to run LogLevel servlet.<a name="line.231"></a>
<span class="sourceLineNo">232</span> * @param protocol "http" or "https"<a name="line.232"></a>
<span class="sourceLineNo">233</span> * @param isSpnego true if SPNEGO is enabled<a name="line.233"></a>
<span class="sourceLineNo">234</span> * @return a created HttpServer object<a name="line.234"></a>
<span class="sourceLineNo">235</span> * @throws Exception if unable to create or start a Jetty server<a name="line.235"></a>
<span class="sourceLineNo">236</span> */<a name="line.236"></a>
<span class="sourceLineNo">237</span> private HttpServer createServer(String protocol, boolean isSpnego) throws Exception {<a name="line.237"></a>
<span class="sourceLineNo">238</span> HttpServer.Builder builder = new HttpServer.Builder().setName("..")<a name="line.238"></a>
<span class="sourceLineNo">239</span> .addEndpoint(new URI(protocol + "://localhost:0")).setFindPort(true).setConf(serverConf);<a name="line.239"></a>
<span class="sourceLineNo">240</span> if (isSpnego) {<a name="line.240"></a>
<span class="sourceLineNo">241</span> // Set up server Kerberos credentials.<a name="line.241"></a>
<span class="sourceLineNo">242</span> // Since the server may fall back to simple authentication,<a name="line.242"></a>
<span class="sourceLineNo">243</span> // use ACL to make sure the connection is Kerberos/SPNEGO authenticated.<a name="line.243"></a>
<span class="sourceLineNo">244</span> builder.setSecurityEnabled(true).setUsernameConfKey(PRINCIPAL).setKeytabConfKey(KEYTAB)<a name="line.244"></a>
<span class="sourceLineNo">245</span> .setACL(new AccessControlList("client"));<a name="line.245"></a>
<span class="sourceLineNo">246</span> }<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
<span class="sourceLineNo">248</span> // if using HTTPS, configure keystore/truststore properties.<a name="line.248"></a>
<span class="sourceLineNo">249</span> if (protocol.equals(LogLevel.PROTOCOL_HTTPS)) {<a name="line.249"></a>
<span class="sourceLineNo">250</span> builder = builder.keyPassword(sslConf.get("ssl.server.keystore.keypassword"))<a name="line.250"></a>
<span class="sourceLineNo">251</span> .keyStore(sslConf.get("ssl.server.keystore.location"),<a name="line.251"></a>
<span class="sourceLineNo">252</span> sslConf.get("ssl.server.keystore.password"),<a name="line.252"></a>
<span class="sourceLineNo">253</span> sslConf.get("ssl.server.keystore.type", "jks"))<a name="line.253"></a>
<span class="sourceLineNo">254</span> .trustStore(sslConf.get("ssl.server.truststore.location"),<a name="line.254"></a>
<span class="sourceLineNo">255</span> sslConf.get("ssl.server.truststore.password"),<a name="line.255"></a>
<span class="sourceLineNo">256</span> sslConf.get("ssl.server.truststore.type", "jks"));<a name="line.256"></a>
<span class="sourceLineNo">257</span> }<a name="line.257"></a>
<span class="sourceLineNo">258</span><a name="line.258"></a>
<span class="sourceLineNo">259</span> HttpServer server = builder.build();<a name="line.259"></a>
<span class="sourceLineNo">260</span> server.start();<a name="line.260"></a>
<span class="sourceLineNo">261</span> return server;<a name="line.261"></a>
<span class="sourceLineNo">262</span> }<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span> private void testDynamicLogLevel(final String bindProtocol, final String connectProtocol,<a name="line.264"></a>
<span class="sourceLineNo">265</span> final boolean isSpnego) throws Exception {<a name="line.265"></a>
<span class="sourceLineNo">266</span> testDynamicLogLevel(bindProtocol, connectProtocol, isSpnego, logName,<a name="line.266"></a>
<span class="sourceLineNo">267</span> org.apache.logging.log4j.Level.DEBUG.toString());<a name="line.267"></a>
<span class="sourceLineNo">268</span> }<a name="line.268"></a>
<span class="sourceLineNo">269</span><a name="line.269"></a>
<span class="sourceLineNo">270</span> private void testDynamicLogLevel(final String bindProtocol, final String connectProtocol,<a name="line.270"></a>
<span class="sourceLineNo">271</span> final boolean isSpnego, final String newLevel) throws Exception {<a name="line.271"></a>
<span class="sourceLineNo">272</span> testDynamicLogLevel(bindProtocol, connectProtocol, isSpnego, logName, newLevel);<a name="line.272"></a>
<span class="sourceLineNo">273</span> }<a name="line.273"></a>
<span class="sourceLineNo">274</span><a name="line.274"></a>
<span class="sourceLineNo">275</span> /**<a name="line.275"></a>
<span class="sourceLineNo">276</span> * Run both client and server using the given protocol.<a name="line.276"></a>
<span class="sourceLineNo">277</span> * @param bindProtocol specify either http or https for server<a name="line.277"></a>
<span class="sourceLineNo">278</span> * @param connectProtocol specify either http or https for client<a name="line.278"></a>
<span class="sourceLineNo">279</span> * @param isSpnego true if SPNEGO is enabled<a name="line.279"></a>
<span class="sourceLineNo">280</span> * @throws Exception if client can't accesss server.<a name="line.280"></a>
<span class="sourceLineNo">281</span> */<a name="line.281"></a>
<span class="sourceLineNo">282</span> private void testDynamicLogLevel(final String bindProtocol, final String connectProtocol,<a name="line.282"></a>
<span class="sourceLineNo">283</span> final boolean isSpnego, final String loggerName, final String newLevel) throws Exception {<a name="line.283"></a>
<span class="sourceLineNo">284</span> if (!LogLevel.isValidProtocol(bindProtocol)) {<a name="line.284"></a>
<span class="sourceLineNo">285</span> throw new Exception("Invalid server protocol " + bindProtocol);<a name="line.285"></a>
<span class="sourceLineNo">286</span> }<a name="line.286"></a>
<span class="sourceLineNo">287</span> if (!LogLevel.isValidProtocol(connectProtocol)) {<a name="line.287"></a>
<span class="sourceLineNo">288</span> throw new Exception("Invalid client protocol " + connectProtocol);<a name="line.288"></a>
<span class="sourceLineNo">289</span> }<a name="line.289"></a>
<span class="sourceLineNo">290</span> org.apache.logging.log4j.Logger log = org.apache.logging.log4j.LogManager.getLogger(loggerName);<a name="line.290"></a>
<span class="sourceLineNo">291</span> org.apache.logging.log4j.Level oldLevel = log.getLevel();<a name="line.291"></a>
<span class="sourceLineNo">292</span> assertNotEquals("Get default Log Level which shouldn't be ERROR.",<a name="line.292"></a>
<span class="sourceLineNo">293</span> org.apache.logging.log4j.Level.ERROR, oldLevel);<a name="line.293"></a>
<span class="sourceLineNo">294</span><a name="line.294"></a>
<span class="sourceLineNo">295</span> // configs needed for SPNEGO at server side<a name="line.295"></a>
<span class="sourceLineNo">296</span> if (isSpnego) {<a name="line.296"></a>
<span class="sourceLineNo">297</span> serverConf.set(PRINCIPAL, HTTP_PRINCIPAL);<a name="line.297"></a>
<span class="sourceLineNo">298</span> serverConf.set(KEYTAB, keyTabFile.getAbsolutePath());<a name="line.298"></a>
<span class="sourceLineNo">299</span> serverConf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");<a name="line.299"></a>
<span class="sourceLineNo">300</span> serverConf.setBoolean(CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, true);<a name="line.300"></a>
<span class="sourceLineNo">301</span> UserGroupInformation.setConfiguration(serverConf);<a name="line.301"></a>
<span class="sourceLineNo">302</span> } else {<a name="line.302"></a>
<span class="sourceLineNo">303</span> serverConf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "simple");<a name="line.303"></a>
<span class="sourceLineNo">304</span> serverConf.setBoolean(CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, false);<a name="line.304"></a>
<span class="sourceLineNo">305</span> UserGroupInformation.setConfiguration(serverConf);<a name="line.305"></a>
<span class="sourceLineNo">306</span> }<a name="line.306"></a>
<span class="sourceLineNo">307</span><a name="line.307"></a>
<span class="sourceLineNo">308</span> final HttpServer server = createServer(bindProtocol, isSpnego);<a name="line.308"></a>
<span class="sourceLineNo">309</span> // get server port<a name="line.309"></a>
<span class="sourceLineNo">310</span> final String authority = NetUtils.getHostPortString(server.getConnectorAddress(0));<a name="line.310"></a>
<span class="sourceLineNo">311</span><a name="line.311"></a>
<span class="sourceLineNo">312</span> String keytabFilePath = keyTabFile.getAbsolutePath();<a name="line.312"></a>
<span class="sourceLineNo">313</span><a name="line.313"></a>
<span class="sourceLineNo">314</span> UserGroupInformation clientUGI =<a name="line.314"></a>
<span class="sourceLineNo">315</span> UserGroupInformation.loginUserFromKeytabAndReturnUGI(clientPrincipal, keytabFilePath);<a name="line.315"></a>
<span class="sourceLineNo">316</span> try {<a name="line.316"></a>
<span class="sourceLineNo">317</span> clientUGI.doAs((PrivilegedExceptionAction&lt;Void&gt;) () -&gt; {<a name="line.317"></a>
<span class="sourceLineNo">318</span> // client command line<a name="line.318"></a>
<span class="sourceLineNo">319</span> getLevel(connectProtocol, authority, loggerName);<a name="line.319"></a>
<span class="sourceLineNo">320</span> setLevel(connectProtocol, authority, loggerName, newLevel);<a name="line.320"></a>
<span class="sourceLineNo">321</span> return null;<a name="line.321"></a>
<span class="sourceLineNo">322</span> });<a name="line.322"></a>
<span class="sourceLineNo">323</span> } finally {<a name="line.323"></a>
<span class="sourceLineNo">324</span> clientUGI.logoutUserFromKeytab();<a name="line.324"></a>
<span class="sourceLineNo">325</span> server.stop();<a name="line.325"></a>
<span class="sourceLineNo">326</span> }<a name="line.326"></a>
<span class="sourceLineNo">327</span><a name="line.327"></a>
<span class="sourceLineNo">328</span> // restore log level<a name="line.328"></a>
<span class="sourceLineNo">329</span> org.apache.logging.log4j.core.config.Configurator.setLevel(log.getName(), oldLevel);<a name="line.329"></a>
<span class="sourceLineNo">330</span> }<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span> /**<a name="line.332"></a>
<span class="sourceLineNo">333</span> * Run LogLevel command line to start a client to get log level of this test class.<a name="line.333"></a>
<span class="sourceLineNo">334</span> * @param protocol specify either http or https<a name="line.334"></a>
<span class="sourceLineNo">335</span> * @param authority daemon's web UI address<a name="line.335"></a>
<span class="sourceLineNo">336</span> * @throws Exception if unable to connect<a name="line.336"></a>
<span class="sourceLineNo">337</span> */<a name="line.337"></a>
<span class="sourceLineNo">338</span> private void getLevel(String protocol, String authority, String logName) throws Exception {<a name="line.338"></a>
<span class="sourceLineNo">339</span> String[] getLevelArgs = { "-getlevel", authority, logName, "-protocol", protocol };<a name="line.339"></a>
<span class="sourceLineNo">340</span> CLI cli = new CLI(protocol.equalsIgnoreCase("https") ? sslConf : clientConf);<a name="line.340"></a>
<span class="sourceLineNo">341</span> cli.run(getLevelArgs);<a name="line.341"></a>
<span class="sourceLineNo">342</span> }<a name="line.342"></a>
<span class="sourceLineNo">343</span><a name="line.343"></a>
<span class="sourceLineNo">344</span> /**<a name="line.344"></a>
<span class="sourceLineNo">345</span> * Run LogLevel command line to start a client to set log level of this test class to debug.<a name="line.345"></a>
<span class="sourceLineNo">346</span> * @param protocol specify either http or https<a name="line.346"></a>
<span class="sourceLineNo">347</span> * @param authority daemon's web UI address<a name="line.347"></a>
<span class="sourceLineNo">348</span> * @throws Exception if unable to run or log level does not change as expected<a name="line.348"></a>
<span class="sourceLineNo">349</span> */<a name="line.349"></a>
<span class="sourceLineNo">350</span> private void setLevel(String protocol, String authority, String logName, String newLevel)<a name="line.350"></a>
<span class="sourceLineNo">351</span> throws Exception {<a name="line.351"></a>
<span class="sourceLineNo">352</span> String[] setLevelArgs = { "-setlevel", authority, logName, newLevel, "-protocol", protocol };<a name="line.352"></a>
<span class="sourceLineNo">353</span> CLI cli = new CLI(protocol.equalsIgnoreCase("https") ? sslConf : clientConf);<a name="line.353"></a>
<span class="sourceLineNo">354</span> cli.run(setLevelArgs);<a name="line.354"></a>
<span class="sourceLineNo">355</span><a name="line.355"></a>
<span class="sourceLineNo">356</span> org.apache.logging.log4j.Logger logger = org.apache.logging.log4j.LogManager.getLogger(logName);<a name="line.356"></a>
<span class="sourceLineNo">357</span><a name="line.357"></a>
<span class="sourceLineNo">358</span> assertEquals("new level not equal to expected: ", newLevel.toUpperCase(),<a name="line.358"></a>
<span class="sourceLineNo">359</span> logger.getLevel().toString());<a name="line.359"></a>
<span class="sourceLineNo">360</span> }<a name="line.360"></a>
<span class="sourceLineNo">361</span><a name="line.361"></a>
<span class="sourceLineNo">362</span> @Test<a name="line.362"></a>
<span class="sourceLineNo">363</span> public void testSettingProtectedLogLevel() throws Exception {<a name="line.363"></a>
<span class="sourceLineNo">364</span> try {<a name="line.364"></a>
<span class="sourceLineNo">365</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTP, true, protectedLogName,<a name="line.365"></a>
<span class="sourceLineNo">366</span> "DEBUG");<a name="line.366"></a>
<span class="sourceLineNo">367</span> fail("Expected IO exception due to protected logger");<a name="line.367"></a>
<span class="sourceLineNo">368</span> } catch (IOException e) {<a name="line.368"></a>
<span class="sourceLineNo">369</span> assertTrue(e.getMessage().contains("" + HttpServletResponse.SC_PRECONDITION_FAILED));<a name="line.369"></a>
<span class="sourceLineNo">370</span> assertTrue(e.getMessage().contains(<a name="line.370"></a>
<span class="sourceLineNo">371</span> "Modification of logger " + protectedLogName + " is disallowed in configuration."));<a name="line.371"></a>
<span class="sourceLineNo">372</span> }<a name="line.372"></a>
<span class="sourceLineNo">373</span> }<a name="line.373"></a>
<span class="sourceLineNo">374</span><a name="line.374"></a>
<span class="sourceLineNo">375</span> /**<a name="line.375"></a>
<span class="sourceLineNo">376</span> * Test setting log level to "Info".<a name="line.376"></a>
<span class="sourceLineNo">377</span> * @throws Exception if client can't set log level to INFO.<a name="line.377"></a>
<span class="sourceLineNo">378</span> */<a name="line.378"></a>
<span class="sourceLineNo">379</span> @Test<a name="line.379"></a>
<span class="sourceLineNo">380</span> public void testInfoLogLevel() throws Exception {<a name="line.380"></a>
<span class="sourceLineNo">381</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTP, true, "INFO");<a name="line.381"></a>
<span class="sourceLineNo">382</span> }<a name="line.382"></a>
<span class="sourceLineNo">383</span><a name="line.383"></a>
<span class="sourceLineNo">384</span> /**<a name="line.384"></a>
<span class="sourceLineNo">385</span> * Test setting log level to "Error".<a name="line.385"></a>
<span class="sourceLineNo">386</span> * @throws Exception if client can't set log level to ERROR.<a name="line.386"></a>
<span class="sourceLineNo">387</span> */<a name="line.387"></a>
<span class="sourceLineNo">388</span> @Test<a name="line.388"></a>
<span class="sourceLineNo">389</span> public void testErrorLogLevel() throws Exception {<a name="line.389"></a>
<span class="sourceLineNo">390</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTP, true, "ERROR");<a name="line.390"></a>
<span class="sourceLineNo">391</span> }<a name="line.391"></a>
<span class="sourceLineNo">392</span><a name="line.392"></a>
<span class="sourceLineNo">393</span> /**<a name="line.393"></a>
<span class="sourceLineNo">394</span> * Server runs HTTP, no SPNEGO.<a name="line.394"></a>
<span class="sourceLineNo">395</span> * @throws Exception if http client can't access http server, or http client can access https<a name="line.395"></a>
<span class="sourceLineNo">396</span> * server.<a name="line.396"></a>
<span class="sourceLineNo">397</span> */<a name="line.397"></a>
<span class="sourceLineNo">398</span> @Test<a name="line.398"></a>
<span class="sourceLineNo">399</span> public void testLogLevelByHttp() throws Exception {<a name="line.399"></a>
<span class="sourceLineNo">400</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTP, false);<a name="line.400"></a>
<span class="sourceLineNo">401</span> try {<a name="line.401"></a>
<span class="sourceLineNo">402</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTPS, false);<a name="line.402"></a>
<span class="sourceLineNo">403</span> fail("An HTTPS Client should not have succeeded in connecting to a " + "HTTP server");<a name="line.403"></a>
<span class="sourceLineNo">404</span> } catch (SSLException e) {<a name="line.404"></a>
<span class="sourceLineNo">405</span> exceptionShouldContains("Unrecognized SSL message", e);<a name="line.405"></a>
<span class="sourceLineNo">406</span> }<a name="line.406"></a>
<span class="sourceLineNo">407</span> }<a name="line.407"></a>
<span class="sourceLineNo">408</span><a name="line.408"></a>
<span class="sourceLineNo">409</span> /**<a name="line.409"></a>
<span class="sourceLineNo">410</span> * Server runs HTTP + SPNEGO.<a name="line.410"></a>
<span class="sourceLineNo">411</span> * @throws Exception if http client can't access http server, or http client can access https<a name="line.411"></a>
<span class="sourceLineNo">412</span> * server.<a name="line.412"></a>
<span class="sourceLineNo">413</span> */<a name="line.413"></a>
<span class="sourceLineNo">414</span> @Test<a name="line.414"></a>
<span class="sourceLineNo">415</span> public void testLogLevelByHttpWithSpnego() throws Exception {<a name="line.415"></a>
<span class="sourceLineNo">416</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTP, true);<a name="line.416"></a>
<span class="sourceLineNo">417</span> try {<a name="line.417"></a>
<span class="sourceLineNo">418</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTP, LogLevel.PROTOCOL_HTTPS, true);<a name="line.418"></a>
<span class="sourceLineNo">419</span> fail("An HTTPS Client should not have succeeded in connecting to a " + "HTTP server");<a name="line.419"></a>
<span class="sourceLineNo">420</span> } catch (SSLException e) {<a name="line.420"></a>
<span class="sourceLineNo">421</span> exceptionShouldContains("Unrecognized SSL message", e);<a name="line.421"></a>
<span class="sourceLineNo">422</span> }<a name="line.422"></a>
<span class="sourceLineNo">423</span> }<a name="line.423"></a>
<span class="sourceLineNo">424</span><a name="line.424"></a>
<span class="sourceLineNo">425</span> /**<a name="line.425"></a>
<span class="sourceLineNo">426</span> * Server runs HTTPS, no SPNEGO.<a name="line.426"></a>
<span class="sourceLineNo">427</span> * @throws Exception if https client can't access https server, or https client can access http<a name="line.427"></a>
<span class="sourceLineNo">428</span> * server.<a name="line.428"></a>
<span class="sourceLineNo">429</span> */<a name="line.429"></a>
<span class="sourceLineNo">430</span> @Test<a name="line.430"></a>
<span class="sourceLineNo">431</span> public void testLogLevelByHttps() throws Exception {<a name="line.431"></a>
<span class="sourceLineNo">432</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTPS, LogLevel.PROTOCOL_HTTPS, false);<a name="line.432"></a>
<span class="sourceLineNo">433</span> try {<a name="line.433"></a>
<span class="sourceLineNo">434</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTPS, LogLevel.PROTOCOL_HTTP, false);<a name="line.434"></a>
<span class="sourceLineNo">435</span> fail("An HTTP Client should not have succeeded in connecting to a " + "HTTPS server");<a name="line.435"></a>
<span class="sourceLineNo">436</span> } catch (SocketException e) {<a name="line.436"></a>
<span class="sourceLineNo">437</span> exceptionShouldContains("Unexpected end of file from server", e);<a name="line.437"></a>
<span class="sourceLineNo">438</span> }<a name="line.438"></a>
<span class="sourceLineNo">439</span> }<a name="line.439"></a>
<span class="sourceLineNo">440</span><a name="line.440"></a>
<span class="sourceLineNo">441</span> /**<a name="line.441"></a>
<span class="sourceLineNo">442</span> * Server runs HTTPS + SPNEGO.<a name="line.442"></a>
<span class="sourceLineNo">443</span> * @throws Exception if https client can't access https server, or https client can access http<a name="line.443"></a>
<span class="sourceLineNo">444</span> * server.<a name="line.444"></a>
<span class="sourceLineNo">445</span> */<a name="line.445"></a>
<span class="sourceLineNo">446</span> @Test<a name="line.446"></a>
<span class="sourceLineNo">447</span> public void testLogLevelByHttpsWithSpnego() throws Exception {<a name="line.447"></a>
<span class="sourceLineNo">448</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTPS, LogLevel.PROTOCOL_HTTPS, true);<a name="line.448"></a>
<span class="sourceLineNo">449</span> try {<a name="line.449"></a>
<span class="sourceLineNo">450</span> testDynamicLogLevel(LogLevel.PROTOCOL_HTTPS, LogLevel.PROTOCOL_HTTP, true);<a name="line.450"></a>
<span class="sourceLineNo">451</span> fail("An HTTP Client should not have succeeded in connecting to a " + "HTTPS server");<a name="line.451"></a>
<span class="sourceLineNo">452</span> } catch (SocketException e) {<a name="line.452"></a>
<span class="sourceLineNo">453</span> exceptionShouldContains("Unexpected end of file from server", e);<a name="line.453"></a>
<span class="sourceLineNo">454</span> }<a name="line.454"></a>
<span class="sourceLineNo">455</span> }<a name="line.455"></a>
<span class="sourceLineNo">456</span><a name="line.456"></a>
<span class="sourceLineNo">457</span> /**<a name="line.457"></a>
<span class="sourceLineNo">458</span> * Assert that a throwable or one of its causes should contain the substr in its message. Ideally<a name="line.458"></a>
<span class="sourceLineNo">459</span> * we should use {@link GenericTestUtils#assertExceptionContains(String, Throwable)} util method<a name="line.459"></a>
<span class="sourceLineNo">460</span> * which asserts t.toString() contains the substr. As the original throwable may have been wrapped<a name="line.460"></a>
<span class="sourceLineNo">461</span> * in Hadoop3 because of HADOOP-12897, it's required to check all the wrapped causes. After stop<a name="line.461"></a>
<span class="sourceLineNo">462</span> * supporting Hadoop2, this method can be removed and assertion in tests can use t.getCause()<a name="line.462"></a>
<span class="sourceLineNo">463</span> * directly, similar to HADOOP-15280.<a name="line.463"></a>
<span class="sourceLineNo">464</span> */<a name="line.464"></a>
<span class="sourceLineNo">465</span> private static void exceptionShouldContains(String substr, Throwable throwable) {<a name="line.465"></a>
<span class="sourceLineNo">466</span> Throwable t = throwable;<a name="line.466"></a>
<span class="sourceLineNo">467</span> while (t != null) {<a name="line.467"></a>
<span class="sourceLineNo">468</span> String msg = t.toString();<a name="line.468"></a>
<span class="sourceLineNo">469</span> if (msg != null &amp;&amp; msg.toLowerCase().contains(substr.toLowerCase())) {<a name="line.469"></a>
<span class="sourceLineNo">470</span> return;<a name="line.470"></a>
<span class="sourceLineNo">471</span> }<a name="line.471"></a>
<span class="sourceLineNo">472</span> t = t.getCause();<a name="line.472"></a>
<span class="sourceLineNo">473</span> }<a name="line.473"></a>
<span class="sourceLineNo">474</span> throw new AssertionError("Expected to find '" + substr + "' but got unexpected exception:"<a name="line.474"></a>
<span class="sourceLineNo">475</span> + StringUtils.stringifyException(throwable), throwable);<a name="line.475"></a>
<span class="sourceLineNo">476</span> }<a name="line.476"></a>
<span class="sourceLineNo">477</span>}<a name="line.477"></a>
</pre>
</div>
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