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 * /lib/testlibrary 32 * /test/lib 33 * @build jdk.test.lib.compiler.CompilerUtils 34 * jdk.test.lib.util.FileUtils 35 * jdk.test.lib.Platform 36 * FileServerHandler JarUtils 37 * @run main/othervm CloseTest 38 * @summary URL-downloaded jar files can consume all available file descriptors 39 */ 40 41 import java.io.File; 42 import java.io.IOException; 43 import java.lang.reflect.Method; 44 import java.net.URLClassLoader; 45 import java.net.InetSocketAddress; 46 import java.net.URL; 47 import java.nio.file.Files; 48 import java.nio.file.Path; 49 import java.nio.file.Paths; 50 51 import jdk.test.lib.compiler.CompilerUtils; 52 53 import com.sun.net.httpserver.HttpContext; 54 import com.sun.net.httpserver.HttpServer; 55 56 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; 57 58 public class CloseTest extends Common { 59 private static final String WORK_DIR = System.getProperty("user.dir") 60 + "/"; 61 // 62 // needs two jar files test1.jar and test2.jar with following structure 63 // 64 // com/foo/TestClass 65 // com/foo/TestClass1 66 // com/foo/Resource1 67 // com/foo/Resource2 68 // 69 // and a directory hierarchy with the same structure/contents 70 71 public static void main(String args[]) throws Exception { 72 setup(); 73 74 startHttpServer(WORK_DIR + "serverRoot/"); 75 76 String testjar = WORK_DIR + "test.jar"; 77 copyFile(WORK_DIR + "test1.jar", testjar); 78 test(testjar, 1); 79 80 // repeat test with different implementation 81 // of test.jar (whose TestClass.getValue() returns 2 82 copyFile(WORK_DIR + "test2.jar", testjar); 83 test(testjar, 2); 84 85 // repeat test using a directory of files 86 String testdir = WORK_DIR + "testdir/"; 87 rm_minus_rf(new File(testdir)); 88 copyDir(WORK_DIR + "test1/", testdir); 89 test(testdir, 1); 90 91 testdir = WORK_DIR + "testdir/"; 92 rm_minus_rf(new File(testdir)); 93 copyDir(WORK_DIR + "test2/", testdir); 94 test(testdir, 2); 95 getHttpServer().stop(3); 96 } 97 98 // create a loader on jarfile (or directory), plus a http loader 99 // load a class , then look for a resource 100 // also load a class from http loader 101 // then close the loader 102 // check further new classes/resources cannot be loaded 103 // check jar (or dir) can be deleted 104 // check existing classes can be loaded 105 // check boot classes can be loaded 106 107 static void test(String name, int expectedValue) throws Exception { 108 109 URL url = new URL("file", null, name); 110 URL url2 = getServerURL(); 111 System.out.println("Doing tests with URL: " + url + " and " + url2); 112 URL[] urls = new URL[2]; 113 urls[0] = url; 114 urls[1] = url2; 115 URLClassLoader loader = new URLClassLoader(urls); 116 Class testclass = loadClass("com.foo.TestClass", loader, true); 117 Class class2 = loadClass("Test", loader, true); // from http 118 class2.newInstance(); 119 Object test = testclass.newInstance(); 120 Method method = testclass.getDeclaredMethods()[0]; // int getValue(); 121 int res = (Integer) method.invoke(test); 122 123 if (res != expectedValue) { 124 throw new RuntimeException("wrong value from getValue() [" + res + 125 "/" + expectedValue + "]"); 126 } 127 128 // should find /resource1 129 URL u1 = loader.findResource("com/foo/Resource1"); 130 if (u1 == null) { 131 throw new RuntimeException("can't find com/foo/Resource1 in test1.jar"); 132 } 133 loader.close(); 134 135 // should NOT find /resource2 even though it is in jar 136 URL u2 = loader.findResource("com/foo/Resource2"); 137 if (u2 != null) { 138 throw new RuntimeException("com/foo/Resource2 unexpected in test1.jar"); 139 } 140 141 // load tests 142 loadClass("com.foo.TestClass1", loader, false); 143 loadClass("com.foo.TestClass", loader, true); 144 loadClass("java.util.ArrayList", loader, true); 145 146 // now check we can delete the path 147 rm_minus_rf(new File(name)); 148 System.out.println(" ... OK"); 149 } 150 151 static HttpServer httpServer; 152 153 static HttpServer getHttpServer() { 154 return httpServer; 155 } 156 157 static URL getServerURL() throws Exception { 158 int port = httpServer.getAddress().getPort(); 159 String s = "http://127.0.0.1:" + port + "/"; 160 return new URL(s); 161 } 162 163 static void startHttpServer(String docroot) throws Exception { 164 httpServer = HttpServer.create(new InetSocketAddress(0), 10); 165 HttpContext ctx = httpServer.createContext( 166 "/", new FileServerHandler(docroot) 167 ); 168 httpServer.start(); 169 } 170 171 /** 172 * Prepare jars files for the tests 173 */ 174 private static void setup () throws IOException { 175 String[] tests = new String[]{"test1", "test2"}; 176 Path workDir = Paths.get(WORK_DIR); 177 Path testSrc = Paths.get(System.getProperty("test.src")); 178 for (String test : tests) { 179 Path testSrcDir = testSrc.resolve(test); 180 Path testTargetDir = workDir.resolve(test); 181 // Compile sources for corresponding test 182 CompilerUtils.compile(testSrcDir, testTargetDir); 183 // Copy all resources 184 Path packages = Paths.get("com", "foo"); 185 Path copySrcDir = testSrcDir.resolve(packages); 186 Path copyTargetDir = testTargetDir.resolve(packages); 187 Files.createDirectories(copyTargetDir); 188 Path res1 = Paths.get("Resource1"); 189 Path res2 = Paths.get("Resource2"); 190 Files.copy(copySrcDir.resolve(res1), copyTargetDir.resolve(res1), 191 REPLACE_EXISTING); 192 Files.copy(copySrcDir.resolve(res2), copyTargetDir.resolve(res2), 193 REPLACE_EXISTING); 194 // Create jar 195 JarUtils.createJarFile(workDir.resolve(test + ".jar"), testTargetDir); 196 } 197 198 // Copy and compile server test class 199 Path serverRoot = Paths.get("serverRoot"); 200 Path targetDir = workDir.resolve(serverRoot); 201 Path file = Paths.get("Test.java"); 202 Files.createDirectories(targetDir); 203 Files.copy(testSrc.resolve(serverRoot).resolve(file), 204 targetDir.resolve(file), REPLACE_EXISTING); 205 CompilerUtils.compile(targetDir, targetDir); 206 } 207 }