1 /* 2 * Copyright (c) 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 /** 25 * @test TestThreadFailure 26 * @summary Test OOME in separate thread is recoverable 27 * @key gc 28 * @requires vm.gc.Shenandoah 29 * @library /test/lib 30 * @run main TestThreadFailure 31 */ 32 33 import java.util.*; 34 35 import jdk.test.lib.process.OutputAnalyzer; 36 import jdk.test.lib.process.ProcessTools; 37 38 public class TestThreadFailure { 39 40 static final int SIZE = 1024; 41 static final int COUNT = 16; 42 43 static class NastyThread extends Thread { 44 @Override 45 public void run() { 46 List<Object> root = new ArrayList<Object>(); 47 while (true) { 48 root.add(new Object[SIZE]); 49 } 50 } 51 } 52 53 public static void main(String[] args) throws Exception { 54 if (args.length > 0) { 55 for (int t = 0; t < COUNT; t++) { 56 Thread thread = new NastyThread(); 57 thread.start(); 58 thread.join(); 59 } 60 System.out.println("All good"); 61 return; 62 } 63 64 { 65 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 66 "-Xmx16m", 67 "-XX:+UnlockExperimentalVMOptions", 68 "-XX:+UseShenandoahGC", 69 TestThreadFailure.class.getName(), 70 "test"); 71 72 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); 73 analyzer.shouldHaveExitValue(0); 74 analyzer.shouldContain("java.lang.OutOfMemoryError"); 75 analyzer.shouldContain("All good"); 76 } 77 78 { 79 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 80 "-Xmx128m", 81 "-XX:+UnlockExperimentalVMOptions", 82 "-XX:+UseShenandoahGC", 83 TestThreadFailure.class.getName(), 84 "test"); 85 86 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); 87 analyzer.shouldHaveExitValue(0); 88 analyzer.shouldContain("java.lang.OutOfMemoryError"); 89 analyzer.shouldContain("All good"); 90 } 91 } 92 }