200 lines
7.8 KiB
Java
200 lines
7.8 KiB
Java
/*
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* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8132734 8144062 8194070
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* @summary Test the System properties for JarFile that support multi-release jar files
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* @library /lib/testlibrary/java/util/jar /test/lib/
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* @build CreateMultiReleaseTestJars
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* jdk.test.lib.compiler.Compiler
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* jdk.test.lib.util.JarBuilder
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* @run testng MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=0 MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=8 MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=9 MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=100 MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties
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* @run testng/othervm -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties
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*/
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.nio.file.Files;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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import org.testng.Assert;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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public class MultiReleaseJarProperties {
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final static int BASE_VERSION = JarFile.baseVersion().major();
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final static String userdir = System.getProperty("user.dir", ".");
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final static File multirelease = new File(userdir, "multi-release.jar");
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protected int rtVersion;
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boolean force;
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protected ClassLoader cldr;
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protected Class<?> rootClass;
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@BeforeClass
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public void initialize() throws Exception {
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CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars();
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creator.compileEntries();
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creator.buildMultiReleaseJar();
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int RUNTIME_VERSION = Runtime.version().major();
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rtVersion = Integer.getInteger("jdk.util.jar.version", RUNTIME_VERSION);
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String mrprop = System.getProperty("jdk.util.jar.enableMultiRelease", "");
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if (mrprop.equals("false")) {
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rtVersion = BASE_VERSION;
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} else if (rtVersion < BASE_VERSION) {
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rtVersion = BASE_VERSION;
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} else if (rtVersion > RUNTIME_VERSION) {
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rtVersion = RUNTIME_VERSION;
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}
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force = mrprop.equals("force");
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initializeClassLoader();
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}
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protected void initializeClassLoader() throws Exception {
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URL[] urls = new URL[]{multirelease.toURI().toURL()};
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cldr = new URLClassLoader(urls);
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// load any class, Main is convenient and in the root entries
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rootClass = cldr.loadClass("version.Main");
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}
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@AfterClass
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public void close() throws IOException {
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((URLClassLoader) cldr).close();
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Files.delete(multirelease.toPath());
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}
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/*
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* jdk.util.jar.enableMultiRelease=force is a no-op for URLClassLoader
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*/
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@Test
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public void testURLClassLoader() throws Throwable {
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Class<?> vcls = cldr.loadClass("version.Version");
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invokeMethod(vcls, rtVersion);
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}
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protected void invokeMethod(Class<?> vcls, int expected) throws Throwable {
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MethodType mt = MethodType.methodType(int.class);
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MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt);
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Assert.assertEquals(expected, (int) mh.invoke(vcls.newInstance()));
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}
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/*
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* jdk.util.jar.enableMultiRelease=force should affect a custom class loader
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*/
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@Test
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public void testClassLoader() throws Throwable {
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try (JarFile jf = new JarFile(multirelease)) { // do not set runtime versioning
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ClassLoader cldr = new CustomClassLoader(jf);
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Class<?> vcls = cldr.loadClass("version.Version");
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if (rtVersion == 9) {
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try {
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cldr.loadClass("version.PackagePrivate");
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} catch (ClassNotFoundException x) {
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if (force) throw x;
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}
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}
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invokeMethod(vcls, force ? rtVersion : BASE_VERSION);
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}
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}
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private static class CustomClassLoader extends ClassLoader {
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private final JarFile jf;
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CustomClassLoader(JarFile jf) throws Exception {
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super(null);
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this.jf = jf;
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}
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protected Class<?> findClass(String name) throws ClassNotFoundException {
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try {
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byte[] b;
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String entryName = name.replace(".", "/") + ".class";
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JarEntry je = jf.getJarEntry(entryName);
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if (je != null) {
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try (InputStream is = jf.getInputStream(je)) {
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b = new byte[(int) je.getSize()];
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is.read(b);
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}
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return defineClass(name, b, 0, b.length);
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}
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throw new ClassNotFoundException(name);
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} catch (IOException x) {
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throw new ClassNotFoundException(x.getMessage());
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}
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}
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}
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@Test
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public void testGetResourceAsStream() throws Exception {
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String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java";
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// use fileRootClass as a base for getting resources
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getResourceAsStream(rootClass, resource);
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}
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protected void getResourceAsStream(Class<?> rootClass, String resource) throws Exception {
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try (InputStream is = rootClass.getResourceAsStream(resource)) {
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byte[] bytes = is.readAllBytes();
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resource = new String(bytes);
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}
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String match = "return " + rtVersion + ";";
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Assert.assertTrue(resource.contains(match));
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}
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@Test
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public void testGetResource() throws Exception {
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String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java";
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// use rootClass as a base for getting resources
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getResource(rootClass, resource);
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}
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protected void getResource(Class<?> rootClass, String resource) throws Exception {
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URL url = rootClass.getResource(resource);
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try (InputStream is = url.openStream()) {
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byte[] bytes = is.readAllBytes();
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resource = new String(bytes);
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}
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String match = "return " + rtVersion + ";";
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Assert.assertTrue(resource.contains(match));
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}
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}
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