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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.util;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.File;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.net.MalformedURLException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.net.URL;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.HashMap;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.slf4j.Logger;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">/**</span> |
| <span class="source-line-no">034</span><span id="line-34"> * This is a class loader that can load classes dynamically from new jar files under a configured</span> |
| <span class="source-line-no">035</span><span id="line-35"> * folder. The paths to the jar files are converted to URLs, and URLClassLoader logic is actually</span> |
| <span class="source-line-no">036</span><span id="line-36"> * used to load classes. This class loader always uses its parent class loader to load a class at</span> |
| <span class="source-line-no">037</span><span id="line-37"> * first. Only if its parent class loader can not load a class, we will try to load it using the</span> |
| <span class="source-line-no">038</span><span id="line-38"> * logic here.</span> |
| <span class="source-line-no">039</span><span id="line-39"> * <p></span> |
| <span class="source-line-no">040</span><span id="line-40"> * The configured folder can be a HDFS path. In this case, the jar files under that folder will be</span> |
| <span class="source-line-no">041</span><span id="line-41"> * copied to local at first under ${hbase.local.dir}/jars/. The local copy will be updated if the</span> |
| <span class="source-line-no">042</span><span id="line-42"> * remote copy is updated, according to its last modified timestamp.</span> |
| <span class="source-line-no">043</span><span id="line-43"> * <p></span> |
| <span class="source-line-no">044</span><span id="line-44"> * We can't unload a class already loaded. So we will use the existing jar files we already know to</span> |
| <span class="source-line-no">045</span><span id="line-45"> * load any class which can't be loaded using the parent class loader. If we still can't load the</span> |
| <span class="source-line-no">046</span><span id="line-46"> * class from the existing jar files, we will check if any new jar file is added, if so, we will</span> |
| <span class="source-line-no">047</span><span id="line-47"> * load the new jar file and try to load the class again. If still failed, a class not found</span> |
| <span class="source-line-no">048</span><span id="line-48"> * exception will be thrown.</span> |
| <span class="source-line-no">049</span><span id="line-49"> * <p></span> |
| <span class="source-line-no">050</span><span id="line-50"> * Be careful in uploading new jar files and make sure all classes are consistent, otherwise, we may</span> |
| <span class="source-line-no">051</span><span id="line-51"> * not be able to load your classes properly.</span> |
| <span class="source-line-no">052</span><span id="line-52"> */</span> |
| <span class="source-line-no">053</span><span id="line-53">@InterfaceAudience.Private</span> |
| <span class="source-line-no">054</span><span id="line-54">public class DynamicClassLoader extends ClassLoaderBase {</span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final Logger LOG = LoggerFactory.getLogger(DynamicClassLoader.class);</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57"> // Dynamic jars are put under ${hbase.local.dir}/jars/</span> |
| <span class="source-line-no">058</span><span id="line-58"> private static final String DYNAMIC_JARS_DIR = File.separator + "jars" + File.separator;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final String DYNAMIC_JARS_DIR_KEY = "hbase.dynamic.jars.dir";</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> private static final String DYNAMIC_JARS_OPTIONAL_CONF_KEY = "hbase.use.dynamic.jars";</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final boolean DYNAMIC_JARS_OPTIONAL_DEFAULT = true;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> // The user-provided value for using the DynamicClassLoader</span> |
| <span class="source-line-no">066</span><span id="line-66"> private final boolean userConfigUseDynamicJars;</span> |
| <span class="source-line-no">067</span><span id="line-67"> // The current state of whether to use the DynamicClassLoader</span> |
| <span class="source-line-no">068</span><span id="line-68"> private final boolean useDynamicJars;</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> private File localDir;</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> // FileSystem of the remote path, set only if remoteDir != null</span> |
| <span class="source-line-no">073</span><span id="line-73"> private FileSystem remoteDirFs;</span> |
| <span class="source-line-no">074</span><span id="line-74"> private Path remoteDir;</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> // Last modified time of local jars</span> |
| <span class="source-line-no">077</span><span id="line-77"> private HashMap<String, Long> jarModifiedTime;</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> /**</span> |
| <span class="source-line-no">080</span><span id="line-80"> * Creates a DynamicClassLoader that can load classes dynamically from jar files under a specific</span> |
| <span class="source-line-no">081</span><span id="line-81"> * folder.</span> |
| <span class="source-line-no">082</span><span id="line-82"> * @param conf the configuration for the cluster.</span> |
| <span class="source-line-no">083</span><span id="line-83"> * @param parent the parent ClassLoader to set.</span> |
| <span class="source-line-no">084</span><span id="line-84"> */</span> |
| <span class="source-line-no">085</span><span id="line-85"> public DynamicClassLoader(final Configuration conf, final ClassLoader parent) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> super(parent);</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> // Save off the user's original configuration value for the DynamicClassLoader</span> |
| <span class="source-line-no">089</span><span id="line-89"> userConfigUseDynamicJars =</span> |
| <span class="source-line-no">090</span><span id="line-90"> conf.getBoolean(DYNAMIC_JARS_OPTIONAL_CONF_KEY, DYNAMIC_JARS_OPTIONAL_DEFAULT);</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> boolean dynamicJarsEnabled = userConfigUseDynamicJars;</span> |
| <span class="source-line-no">093</span><span id="line-93"> if (dynamicJarsEnabled) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> try {</span> |
| <span class="source-line-no">095</span><span id="line-95"> initTempDir(conf);</span> |
| <span class="source-line-no">096</span><span id="line-96"> dynamicJarsEnabled = true;</span> |
| <span class="source-line-no">097</span><span id="line-97"> } catch (Exception e) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> LOG.error("Disabling the DynamicClassLoader as it failed to initialize its temp directory."</span> |
| <span class="source-line-no">099</span><span id="line-99"> + " Check your configuration and filesystem permissions. Custom coprocessor code may"</span> |
| <span class="source-line-no">100</span><span id="line-100"> + " not be loaded as a result of this failure.", e);</span> |
| <span class="source-line-no">101</span><span id="line-101"> dynamicJarsEnabled = false;</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"> useDynamicJars = dynamicJarsEnabled;</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"></span> |
| <span class="source-line-no">107</span><span id="line-107"> // FindBugs: Making synchronized to avoid IS2_INCONSISTENT_SYNC complaints about</span> |
| <span class="source-line-no">108</span><span id="line-108"> // remoteDirFs and jarModifiedTime being part synchronized protected.</span> |
| <span class="source-line-no">109</span><span id="line-109"> private synchronized void initTempDir(final Configuration conf) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> jarModifiedTime = new HashMap<>();</span> |
| <span class="source-line-no">111</span><span id="line-111"> String localDirPath = conf.get(LOCAL_DIR_KEY, DEFAULT_LOCAL_DIR) + DYNAMIC_JARS_DIR;</span> |
| <span class="source-line-no">112</span><span id="line-112"> localDir = new File(localDirPath);</span> |
| <span class="source-line-no">113</span><span id="line-113"> if (!localDir.mkdirs() && !localDir.isDirectory()) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> throw new RuntimeException(</span> |
| <span class="source-line-no">115</span><span id="line-115"> "Failed to create local dir " + localDir.getPath() + ", DynamicClassLoader failed to init");</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> String remotePath = conf.get(DYNAMIC_JARS_DIR_KEY);</span> |
| <span class="source-line-no">119</span><span id="line-119"> if (remotePath == null || remotePath.equals(localDirPath)) {</span> |
| <span class="source-line-no">120</span><span id="line-120"> remoteDir = null; // ignore if it is the same as the local path</span> |
| <span class="source-line-no">121</span><span id="line-121"> } else {</span> |
| <span class="source-line-no">122</span><span id="line-122"> remoteDir = new Path(remotePath);</span> |
| <span class="source-line-no">123</span><span id="line-123"> try {</span> |
| <span class="source-line-no">124</span><span id="line-124"> remoteDirFs = remoteDir.getFileSystem(conf);</span> |
| <span class="source-line-no">125</span><span id="line-125"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> LOG.warn("Failed to identify the fs of dir " + remoteDir + ", ignored", ioe);</span> |
| <span class="source-line-no">127</span><span id="line-127"> remoteDir = null;</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> @Override</span> |
| <span class="source-line-no">133</span><span id="line-133"> public Class<?> loadClass(String name) throws ClassNotFoundException {</span> |
| <span class="source-line-no">134</span><span id="line-134"> try {</span> |
| <span class="source-line-no">135</span><span id="line-135"> return parent.loadClass(name);</span> |
| <span class="source-line-no">136</span><span id="line-136"> } catch (ClassNotFoundException e) {</span> |
| <span class="source-line-no">137</span><span id="line-137"> if (useDynamicJars) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> LOG.debug("Class {} not found - using dynamical class loader", name);</span> |
| <span class="source-line-no">139</span><span id="line-139"> return tryRefreshClass(name);</span> |
| <span class="source-line-no">140</span><span id="line-140"> } else if (userConfigUseDynamicJars) {</span> |
| <span class="source-line-no">141</span><span id="line-141"> // If the user tried to enable the DCL, then warn again.</span> |
| <span class="source-line-no">142</span><span id="line-142"> LOG.debug("Not checking DynamicClassLoader for missing class because it is disabled."</span> |
| <span class="source-line-no">143</span><span id="line-143"> + " See the log for previous errors.");</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"> throw e;</span> |
| <span class="source-line-no">146</span><span id="line-146"> }</span> |
| <span class="source-line-no">147</span><span id="line-147"> }</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> private Class<?> tryRefreshClass(String name) throws ClassNotFoundException {</span> |
| <span class="source-line-no">150</span><span id="line-150"> synchronized (getClassLoadingLock(name)) {</span> |
| <span class="source-line-no">151</span><span id="line-151"> // Check whether the class has already been loaded:</span> |
| <span class="source-line-no">152</span><span id="line-152"> Class<?> clasz = findLoadedClass(name);</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> if (clasz != null) {</span> |
| <span class="source-line-no">155</span><span id="line-155"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">156</span><span id="line-156"> LOG.debug("Class {} already loaded", name);</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"> } else {</span> |
| <span class="source-line-no">159</span><span id="line-159"> try {</span> |
| <span class="source-line-no">160</span><span id="line-160"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> LOG.debug("Finding class: {}", name);</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> clasz = findClass(name);</span> |
| <span class="source-line-no">165</span><span id="line-165"> } catch (ClassNotFoundException cnfe) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> // Load new jar files if any</span> |
| <span class="source-line-no">167</span><span id="line-167"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> LOG.debug("Loading new jar files, if any");</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> loadNewJars();</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">174</span><span id="line-174"> LOG.debug("Finding class again: {}", name);</span> |
| <span class="source-line-no">175</span><span id="line-175"> }</span> |
| <span class="source-line-no">176</span><span id="line-176"></span> |
| <span class="source-line-no">177</span><span id="line-177"> clasz = findClass(name);</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> return clasz;</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> private synchronized void loadNewJars() {</span> |
| <span class="source-line-no">186</span><span id="line-186"> // Refresh local jar file lists</span> |
| <span class="source-line-no">187</span><span id="line-187"> File[] files = localDir == null ? null : localDir.listFiles();</span> |
| <span class="source-line-no">188</span><span id="line-188"> if (files != null) {</span> |
| <span class="source-line-no">189</span><span id="line-189"> for (File file : files) {</span> |
| <span class="source-line-no">190</span><span id="line-190"> String fileName = file.getName();</span> |
| <span class="source-line-no">191</span><span id="line-191"> if (jarModifiedTime.containsKey(fileName)) {</span> |
| <span class="source-line-no">192</span><span id="line-192"> continue;</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"> if (file.isFile() && fileName.endsWith(".jar")) {</span> |
| <span class="source-line-no">195</span><span id="line-195"> jarModifiedTime.put(fileName, file.lastModified());</span> |
| <span class="source-line-no">196</span><span id="line-196"> try {</span> |
| <span class="source-line-no">197</span><span id="line-197"> URL url = file.toURI().toURL();</span> |
| <span class="source-line-no">198</span><span id="line-198"> addURL(url);</span> |
| <span class="source-line-no">199</span><span id="line-199"> } catch (MalformedURLException mue) {</span> |
| <span class="source-line-no">200</span><span id="line-200"> // This should not happen, just log it</span> |
| <span class="source-line-no">201</span><span id="line-201"> LOG.warn("Failed to load new jar " + fileName, mue);</span> |
| <span class="source-line-no">202</span><span id="line-202"> }</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"> }</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> // Check remote files</span> |
| <span class="source-line-no">208</span><span id="line-208"> FileStatus[] statuses = null;</span> |
| <span class="source-line-no">209</span><span id="line-209"> if (remoteDir != null) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> try {</span> |
| <span class="source-line-no">211</span><span id="line-211"> statuses = remoteDirFs.listStatus(remoteDir);</span> |
| <span class="source-line-no">212</span><span id="line-212"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">213</span><span id="line-213"> LOG.warn("Failed to check remote dir status " + remoteDir, ioe);</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"> if (statuses == null || statuses.length == 0) {</span> |
| <span class="source-line-no">217</span><span id="line-217"> return; // no remote files at all</span> |
| <span class="source-line-no">218</span><span id="line-218"> }</span> |
| <span class="source-line-no">219</span><span id="line-219"></span> |
| <span class="source-line-no">220</span><span id="line-220"> for (FileStatus status : statuses) {</span> |
| <span class="source-line-no">221</span><span id="line-221"> if (status.isDirectory()) {</span> |
| <span class="source-line-no">222</span><span id="line-222"> continue; // No recursive lookup</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> Path path = status.getPath();</span> |
| <span class="source-line-no">226</span><span id="line-226"> String fileName = path.getName();</span> |
| <span class="source-line-no">227</span><span id="line-227"> if (!fileName.endsWith(".jar")) {</span> |
| <span class="source-line-no">228</span><span id="line-228"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> LOG.debug("Ignored non-jar file {}", fileName);</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"> continue; // Ignore non-jar files</span> |
| <span class="source-line-no">232</span><span id="line-232"> }</span> |
| <span class="source-line-no">233</span><span id="line-233"> Long cachedLastModificationTime = jarModifiedTime.get(fileName);</span> |
| <span class="source-line-no">234</span><span id="line-234"> if (cachedLastModificationTime != null) {</span> |
| <span class="source-line-no">235</span><span id="line-235"> long lastModified = status.getModificationTime();</span> |
| <span class="source-line-no">236</span><span id="line-236"> if (lastModified < cachedLastModificationTime) {</span> |
| <span class="source-line-no">237</span><span id="line-237"> // There could be some race, for example, someone uploads</span> |
| <span class="source-line-no">238</span><span id="line-238"> // a new one right in the middle the old one is copied to</span> |
| <span class="source-line-no">239</span><span id="line-239"> // local. We can check the size as well. But it is still</span> |
| <span class="source-line-no">240</span><span id="line-240"> // not guaranteed. This should be rare. Most likely,</span> |
| <span class="source-line-no">241</span><span id="line-241"> // we already have the latest one.</span> |
| <span class="source-line-no">242</span><span id="line-242"> // If you are unlucky to hit this race issue, you have</span> |
| <span class="source-line-no">243</span><span id="line-243"> // to touch the remote jar to update its last modified time</span> |
| <span class="source-line-no">244</span><span id="line-244"> continue;</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"> try {</span> |
| <span class="source-line-no">248</span><span id="line-248"> // Copy it to local</span> |
| <span class="source-line-no">249</span><span id="line-249"> File dst = new File(localDir, fileName);</span> |
| <span class="source-line-no">250</span><span id="line-250"> remoteDirFs.copyToLocalFile(path, new Path(dst.getPath()));</span> |
| <span class="source-line-no">251</span><span id="line-251"> jarModifiedTime.put(fileName, dst.lastModified());</span> |
| <span class="source-line-no">252</span><span id="line-252"> URL url = dst.toURI().toURL();</span> |
| <span class="source-line-no">253</span><span id="line-253"> addURL(url);</span> |
| <span class="source-line-no">254</span><span id="line-254"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> LOG.warn("Failed to load new jar " + fileName, ioe);</span> |
| <span class="source-line-no">256</span><span id="line-256"> }</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"> }</span> |
| <span class="source-line-no">259</span><span id="line-259">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
