1/* 2 * Copyright (c) 2013, 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 * Portions Copyright (c) 2013 IBM Corporation 26 */ 27 28/* @test 29 * @bug 7183373 30 * @summary URLClassLoader fails to close handles to Jar files opened during 31 * getResource() 32 */ 33 34import java.io.*; 35import java.net.*; 36import java.util.zip.*; 37 38public class JarLoaderTest { 39 public static void main(String[] args) throws Exception { 40 // Create a JAR file 41 File f = new File("urlcl" + 1 + ".jar"); 42 ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(f)); 43 44 // add a file 45 zos.putNextEntry(new ZipEntry("TestResource")); 46 byte[] b = "This is a test resource".getBytes(); 47 zos.write(b, 0, b.length); 48 zos.close(); 49 50 // Load the file using cl.getResource() 51 URLClassLoader cl = new URLClassLoader(new URL[] { new URL("jar:" + 52 f.toURI().toURL() + "!/")}, null); 53 cl.getResource("TestResource"); 54 55 // Close the class loader - this should free up all of its Closeables, 56 // including the JAR file 57 cl.close(); 58 59 // Try to delete the JAR file 60 f.delete(); 61 62 // Check to see if the file was deleted 63 if (f.exists()) { 64 System.out.println( 65 "Test FAILED: Closeables failed to close handle to jar file"); 66 // Delete the jar using a workaround 67 for (URL u : cl.getURLs()) { 68 if (u.getProtocol().equals("jar")) { 69 ((JarURLConnection)u.openConnection()).getJarFile().close(); 70 } 71 f.delete(); 72 } 73 throw new RuntimeException("File could not be deleted"); 74 } else { 75 System.out.println("Test PASSED"); 76 } 77 } 78} 79