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