/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
/* * Portions Copyright (c) 2013 IBM Corporation
*/
/* @test * @bug 7183373 * @summary URLClassLoader fails to close handles to Jar files opened during * getResource()
*/
publicclass JarLoaderTest { publicstaticvoid main(String[] args) throws Exception { // Create a JAR file
File f = new File("urlcl" + 1 + ".jar");
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(f));
// add a file
zos.putNextEntry(new ZipEntry("TestResource")); byte[] b = "This is a test resource".getBytes();
zos.write(b, 0, b.length);
zos.close();
// Load the file using cl.getResource()
URLClassLoader cl = new URLClassLoader(new URL[] { new URL("jar:" +
f.toURI().toURL() + "!/")}, null);
cl.getResource("TestResource");
// Close the class loader - this should free up all of its Closeables, // including the JAR file
cl.close();
// Try to delete the JAR file
f.delete();
// Check to see if the file was deleted if (f.exists()) {
System.out.println( "Test FAILED: Closeables failed to close handle to jar file"); // Delete the jar using a workaround for (URL u : cl.getURLs()) { if (u.getProtocol().equals("jar")) {
((JarURLConnection)u.openConnection()).getJarFile().close();
}
f.delete();
} thrownew RuntimeException("File could not be deleted");
} else {
System.out.println("Test PASSED");
}
}
}
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