1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test TestCrashOnOutOfMemoryError 26 * @summary Test using -XX:+CrashOnOutOfMemoryError 27 * @modules java.base/jdk.internal.misc 28 * @library /test/lib 29 * @run driver TestCrashOnOutOfMemoryError 30 * @bug 8138745 31 */ 32 33 import jdk.test.lib.process.OutputAnalyzer; 34 import jdk.test.lib.process.ProcessTools; 35 import java.io.BufferedReader; 36 import java.io.File; 37 import java.io.FileInputStream; 38 import java.io.InputStreamReader; 39 import java.io.IOException; 40 41 public class TestCrashOnOutOfMemoryError { 42 43 public static void main(String[] args) throws Exception { 44 if (args.length == 1) { 45 // This should guarantee to throw: 46 // java.lang.OutOfMemoryError: Requested array size exceeds VM limit 47 try { 48 Object[] oa = new Object[Integer.MAX_VALUE]; 49 throw new Error("OOME not triggered"); 50 } catch (OutOfMemoryError err) { 51 throw new Error("OOME didn't abort JVM!"); 52 } 53 } 54 // else this is the main test 55 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+CrashOnOutOfMemoryError", 56 "-XX:-CreateCoredumpOnCrash", "-Xmx64m", TestCrashOnOutOfMemoryError.class.getName(),"throwOOME"); 57 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 58 int exitValue = output.getExitValue(); 59 if (0 == exitValue) { 60 //expecting a non zero value 61 throw new Error("Expected to get non zero exit value"); 62 } 63 64 /* Output should look something like this. The actual text will depend on the OS and its core dump processing. 65 Aborting due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit 66 # To suppress the following error report, specify this argument 67 # after -XX: or in .hotspotrc: SuppressErrorAt=/debug.cpp:303 68 # 69 # A fatal error has been detected by the Java Runtime Environment: 70 # 71 # Internal Error (/home/cheleswer/Desktop/jdk9/dev/hotspot/src/share/vm/utilities/debug.cpp:303), pid=6212, tid=6213 72 # fatal error: OutOfMemory encountered: Requested array size exceeds VM limit 73 # 74 # JRE version: OpenJDK Runtime Environment (9.0) (build 1.9.0-internal-debug-cheleswer_2015_10_20_14_32-b00) 75 # Java VM: OpenJDK 64-Bit Server VM (1.9.0-internal-debug-cheleswer_2015_10_20_14_32-b00, mixed mode, tiered, compressed oops, serial gc, linux-amd64) 76 # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %P" (or dumping to 77 /home/cheleswer/Desktop/core.6212) 78 # 79 # An error report file with more information is saved as: 80 # /home/cheleswer/Desktop/hs_err_pid6212.log 81 # 82 # If you would like to submit a bug report, please visit: 83 # http://bugreport.java.com/bugreport/crash.jsp 84 # 85 Current thread is 6213 86 Dumping core ... 87 Aborted (core dumped) 88 */ 89 output.shouldContain("Aborting due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit"); 90 // extract hs-err file 91 String hs_err_file = output.firstMatch("# *(\\S*hs_err_pid\\d+\\.log)", 1); 92 if (hs_err_file == null) { 93 throw new Error("Did not find hs-err file in output.\n"); 94 } 95 96 /* 97 * Check if hs_err files exist or not 98 */ 99 File f = new File(hs_err_file); 100 if (!f.exists()) { 101 throw new Error("hs-err file missing at "+ f.getAbsolutePath() + ".\n"); 102 } 103 104 /* 105 * Checking the completness of hs_err file. If last line of hs_err file is "END" 106 * then it proves that file is complete. 107 */ 108 try (FileInputStream fis = new FileInputStream(f); 109 BufferedReader br = new BufferedReader(new InputStreamReader(fis))) { 110 String line = null; 111 String lastLine = null; 112 while ((line = br.readLine()) != null) { 113 lastLine = line; 114 } 115 if (!lastLine.equals("END.")) { 116 throw new Error("hs-err file incomplete (missing END marker.)"); 117 } else { 118 System.out.println("End marker found."); 119 } 120 } 121 System.out.println("PASSED"); 122 } 123 }