/* * Copyright (c) 2023, 2024, 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. */ /* * @test * @bug 8308762 * @library /test/lib * @summary Test that redefinition of class containing Throwable refs does not leak constant pool * @requires os.family == "aix" * @requires vm.jvmti * @requires vm.flagless * @modules java.base/jdk.internal.misc * @modules java.instrument * java.compiler * @run main RedefineClassHelper * @run main/othervm/timeout=6000 -javaagent:redefineagent.jar -XX:MetaspaceSize=25m -XX:MaxMetaspaceSize=25m RedefineLeakThrowable */ /* * @test * @bug 8308762 * @library /test/lib * @summary Test that redefinition of class containing Throwable refs does not leak constant pool * @requires os.family != "aix" * @requires vm.jvmti * @requires vm.flagless * @modules java.base/jdk.internal.misc * @modules java.instrument * java.compiler * @run main RedefineClassHelper * @run main/othervm/timeout=6000 -javaagent:redefineagent.jar -XX:MetaspaceSize=17m -XX:MaxMetaspaceSize=17m RedefineLeakThrowable */ class Tester { void test() { try { int i = 42; } catch (Throwable t) { t.printStackTrace(); } } } public class RedefineLeakThrowable { static final String NEW_TESTER = "class Tester {" + " void test() {" + " try {" + " int i = 42;" + " } catch (Throwable t) {" + " t.printStackTrace();" + " }" + " }" + "}"; public static void main(String argv[]) throws Exception { for (int i = 0; i < 700; i++) { RedefineClassHelper.redefineClass(Tester.class, NEW_TESTER); } } }