1 /* 2 * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4167874 27 * @modules java.logging 28 * jdk.httpserver 29 * jdk.compiler 30 * @library ../../../../com/sun/net/httpserver 31 * /test/lib 32 * @build jdk.test.lib.compiler.CompilerUtils 33 * jdk.test.lib.util.FileUtils 34 * jdk.test.lib.Platform 35 * FileServerHandler JarUtils 36 * @run main/othervm CloseTest 37 * @summary URL-downloaded jar files can consume all available file descriptors 38 */ 39 40 import java.io.File; 41 import java.io.IOException; 42 import java.lang.reflect.Method; 43 import java.net.URLClassLoader; 44 import java.net.InetSocketAddress; 45 import java.net.URL; 46 import java.nio.file.Files; 47 import java.nio.file.Path; 48 import java.nio.file.Paths; 49 50 import jdk.test.lib.compiler.CompilerUtils; 51 52 import com.sun.net.httpserver.HttpContext; 53 import com.sun.net.httpserver.HttpServer; 54 55 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; 56 57 public class CloseTest extends Common { 58 private static final String WORK_DIR = System.getProperty("user.dir") 59 + "/"; 60 // 61 // needs two jar files test1.jar and test2.jar with following structure 62 // 63 // com/foo/TestClass 64 // com/foo/TestClass1 65 // com/foo/Resource1 66 // com/foo/Resource2 67 // 68 // and a directory hierarchy with the same structure/contents 69 70 public static void main(String args[]) throws Exception { 71 setup(); 72 73 startHttpServer(WORK_DIR + "serverRoot/"); 74 75 String testjar = WORK_DIR + "test.jar"; 76 copyFile(WORK_DIR + "test1.jar", testjar); 77 test(testjar, 1); 78 79 // repeat test with different implementation 80 // of test.jar (whose TestClass.getValue() returns 2 81 copyFile(WORK_DIR + "test2.jar", testjar); 82 test(testjar, 2); 83 84 // repeat test using a directory of files 85 String testdir = WORK_DIR + "testdir/"; 86 rm_minus_rf(new File(testdir)); 87 copyDir(WORK_DIR + "test1/", testdir); 88 test(testdir, 1); 89 90 testdir = WORK_DIR + "testdir/"; 91 rm_minus_rf(new File(testdir)); 92 copyDir(WORK_DIR + "test2/", testdir); 93 test(testdir, 2); 94 getHttpServer().stop(3); 95 } 96 97 // create a loader on jarfile (or directory), plus a http loader 98 // load a class , then look for a resource 99 // also load a class from http loader 100 // then close the loader 101 // check further new classes/resources cannot be loaded 102 // check jar (or dir) can be deleted 103 // check existing classes can be loaded 104 // check boot classes can be loaded 105 106 static void test(String name, int expectedValue) throws Exception { 107 108 URL url = new URL("file", null, name); 109 URL url2 = getServerURL(); 110 System.out.println("Doing tests with URL: " + url + " and " + url2); 111 URL[] urls = new URL[2]; 112 urls[0] = url; 113 urls[1] = url2; 114 URLClassLoader loader = new URLClassLoader(urls); 115 Class testclass = loadClass("com.foo.TestClass", loader, true); 116 Class class2 = loadClass("Test", loader, true); // from http 117 class2.newInstance(); 118 Object test = testclass.newInstance(); 119 Method method = testclass.getDeclaredMethods()[0]; // int getValue(); 120 int res = (Integer) method.invoke(test); 121 122 if (res != expectedValue) { 123 throw new RuntimeException("wrong value from getValue() [" + res + 124 "/" + expectedValue + "]"); 125 } 126 127 // should find /resource1 128 URL u1 = loader.findResource("com/foo/Resource1"); 129 if (u1 == null) { 130 throw new RuntimeException("can't find com/foo/Resource1 in test1.jar"); 131 } 132 loader.close(); 133 134 // should NOT find /resource2 even though it is in jar 135 URL u2 = loader.findResource("com/foo/Resource2"); 136 if (u2 != null) { 137 throw new RuntimeException("com/foo/Resource2 unexpected in test1.jar"); 138 } 139 140 // load tests 141 loadClass("com.foo.TestClass1", loader, false); 142 loadClass("com.foo.TestClass", loader, true); 143 loadClass("java.util.ArrayList", loader, true); 144 145 // now check we can delete the path 146 rm_minus_rf(new File(name)); 147 System.out.println(" ... OK"); 148 } 149 150 static HttpServer httpServer; 151 152 static HttpServer getHttpServer() { 153 return httpServer; 154 } 155 156 static URL getServerURL() throws Exception { 157 int port = httpServer.getAddress().getPort(); 158 String s = "http://127.0.0.1:" + port + "/"; 159 return new URL(s); 160 } 161 162 static void startHttpServer(String docroot) throws Exception { 163 httpServer = HttpServer.create(new InetSocketAddress(0), 10); 164 HttpContext ctx = httpServer.createContext( 165 "/", new FileServerHandler(docroot) 166 ); 167 httpServer.start(); 168 } 169 170 /** 171 * Prepare jars files for the tests 172 */ 173 private static void setup () throws IOException { 174 String[] tests = new String[]{"test1", "test2"}; 175 Path workDir = Paths.get(WORK_DIR); 176 Path testSrc = Paths.get(System.getProperty("test.src")); 177 for (String test : tests) { 178 Path testSrcDir = testSrc.resolve(test); 179 Path testTargetDir = workDir.resolve(test); 180 // Compile sources for corresponding test 181 CompilerUtils.compile(testSrcDir, testTargetDir); 182 // Copy all resources 183 Path packages = Paths.get("com", "foo"); 184 Path copySrcDir = testSrcDir.resolve(packages); 185 Path copyTargetDir = testTargetDir.resolve(packages); 186 Files.createDirectories(copyTargetDir); 187 Path res1 = Paths.get("Resource1"); 188 Path res2 = Paths.get("Resource2"); 189 Files.copy(copySrcDir.resolve(res1), copyTargetDir.resolve(res1), 190 REPLACE_EXISTING); 191 Files.copy(copySrcDir.resolve(res2), copyTargetDir.resolve(res2), 192 REPLACE_EXISTING); 193 // Create jar 194 JarUtils.createJarFile(workDir.resolve(test + ".jar"), testTargetDir); 195 } 196 197 // Copy and compile server test class 198 Path serverRoot = Paths.get("serverRoot"); 199 Path targetDir = workDir.resolve(serverRoot); 200 Path file = Paths.get("Test.java"); 201 Files.createDirectories(targetDir); 202 Files.copy(testSrc.resolve(serverRoot).resolve(file), 203 targetDir.resolve(file), REPLACE_EXISTING); 204 CompilerUtils.compile(targetDir, targetDir); 205 } 206 }