提交 4d6147b9 编写于 作者: M mchung

6888802: sun.misc.BootClassLoaderHook.getBootstrapPaths stack overflow

Summary: Fixed sun.misc.BootClassLoaderHook.getBootstrapPaths calls hook.getAdditionalBootstrapPaths
Reviewed-by: alanb, tbell
上级 8ab4b652
......@@ -102,7 +102,7 @@ public abstract class BootClassLoaderHook {
public static File[] getBootstrapPaths() {
BootClassLoaderHook hook = getHook();
if (hook != null) {
return hook.getBootstrapPaths();
return hook.getAdditionalBootstrapPaths();
} else {
return EMPTY_FILE_ARRAY;
}
......
/*
* Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
import java.io.File;
import java.util.TreeSet;
import java.util.Set;
import sun.misc.BootClassLoaderHook;
/* @test
* @bug 6888802
* @summary Sanity test of BootClassLoaderHook interface
*
* @build TestHook
* @run main TestHook
*/
public class TestHook extends BootClassLoaderHook {
private static final TestHook hook = new TestHook();
private static Set<String> names = new TreeSet<String>();
private static final String LOGRECORD_CLASS =
"java.util.logging.LogRecord";
private static final String NONEXIST_RESOURCE =
"non.exist.resource";
private static final String LIBHELLO = "hello";
public static void main(String[] args) throws Exception {
BootClassLoaderHook.setHook(hook);
if (BootClassLoaderHook.getHook() == null) {
throw new RuntimeException("Null boot classloader hook ");
}
testHook();
if (!names.contains(LOGRECORD_CLASS)) {
throw new RuntimeException("loadBootstrapClass for " + LOGRECORD_CLASS + " not called");
}
if (!names.contains(NONEXIST_RESOURCE)) {
throw new RuntimeException("getBootstrapResource for " + NONEXIST_RESOURCE + " not called");
}
if (!names.contains(LIBHELLO)) {
throw new RuntimeException("loadLibrary for " + LIBHELLO + " not called");
}
Set<String> copy = new TreeSet<String>();
copy.addAll(names);
for (String s : copy) {
System.out.println(" Loaded " + s);
}
if (BootClassLoaderHook.getBootstrapPaths().length > 0) {
throw new RuntimeException("Unexpected returned value from getBootstrapPaths()");
}
}
private static void testHook() throws Exception {
Class.forName(LOGRECORD_CLASS);
ClassLoader.getSystemResource(NONEXIST_RESOURCE);
try {
System.loadLibrary(LIBHELLO);
} catch (UnsatisfiedLinkError e) {
}
}
public String loadBootstrapClass(String className) {
names.add(className);
return null;
}
public String getBootstrapResource(String resourceName) {
names.add(resourceName);
return null;
}
public boolean loadLibrary(String libname) {
names.add(libname);
return false;
}
public File[] getAdditionalBootstrapPaths() {
return new File[0];
}
public boolean isCurrentThreadPrefetching() {
return false;
}
public boolean prefetchFile(String name) {
return false;
}
}
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