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 * @library /test/lib 28 * @run main TestThreadFailure 29 */ 30 31 import java.util.*; 32 import jdk.test.lib.process.OutputAnalyzer; 33 import jdk.test.lib.process.ProcessTools; 34 35 public class TestThreadFailure { 36 37 static final int SIZE = 1024; 38 static final int COUNT = 16; 39 40 static class NastyThread extends Thread { 41 @Override 42 public void run() { 43 List<Object> root = new ArrayList<Object>(); 44 while (true) { 45 root.add(new Object[SIZE]); 46 } 47 } 48 } 49 50 public static void main(String[] args) throws Exception { 51 if (args.length > 0) { 52 for (int t = 0; t < COUNT; t++) { 53 Thread thread = new NastyThread(); 54 thread.start(); 55 thread.join(); 56 } 57 System.out.println("All good"); 58 return; 59 } 60 61 { 62 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 63 "-Xmx16m", 64 "-XX:+UnlockExperimentalVMOptions", 65 "-XX:+UseShenandoahGC", 66 TestThreadFailure.class.getName(), 67 "test"); 68 69 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); 70 analyzer.shouldHaveExitValue(0); 71 analyzer.shouldContain("java.lang.OutOfMemoryError"); 72 analyzer.shouldContain("All good"); 73 } 74 75 { 76 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 77 "-Xmx128m", 78 "-XX:+UnlockExperimentalVMOptions", 79 "-XX:+UseShenandoahGC", 80 TestThreadFailure.class.getName(), 81 "test"); 82 83 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); 84 analyzer.shouldHaveExitValue(0); 85 analyzer.shouldContain("java.lang.OutOfMemoryError"); 86 analyzer.shouldContain("All good"); 87 } 88 } 89 }