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 /testlibrary 29 * @build jdk.test.lib.* 30 * @run driver TestCrashOnOutOfMemoryError 31 * @bug 8138745 32 */ 33 34 import jdk.test.lib.OutputAnalyzer; 35 import jdk.test.lib.ProcessTools; 36 import java.io.BufferedReader; 37 import java.io.File; 38 import java.io.FileInputStream; 39 import java.io.InputStreamReader; 40 import java.io.IOException; 41 42 public class TestCrashOnOutOfMemoryError { 43 44 public static void main(String[] args) throws Exception { 45 if (args.length == 1) { 46 // This should guarantee to throw: 47 // java.lang.OutOfMemoryError: Requested array size exceeds VM limit 48 try { 49 Object[] oa = new Object[Integer.MAX_VALUE]; 50 throw new Error("OOME not triggered"); 51 } catch (OutOfMemoryError err) { 52 throw new Error("OOME didn't abort JVM!"); 53 } 54 } 55 // else this is the main test 56 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+CrashOnOutOfMemoryError", 57 "-XX:-CreateCoredumpOnCrash", "-Xmx64m", TestCrashOnOutOfMemoryError.class.getName(),"throwOOME"); 58 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 59 int exitValue = output.getExitValue(); 60 if (0 == exitValue) { 61 //expecting a non zero value 62 throw new Error("Expected to get non zero exit value"); 63 } 64 65 /* Output should look something like this. The actual text will depend on the OS and its core dump processing. 66 Aborting due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit 67 # To suppress the following error report, specify this argument 68 # after -XX: or in .hotspotrc: SuppressErrorAt=/debug.cpp:303 69 # 70 # A fatal error has been detected by the Java Runtime Environment: 71 # 72 # Internal Error (/home/cheleswer/Desktop/jdk9/dev/hotspot/src/share/vm/utilities/debug.cpp:303), pid=6212, tid=6213 73 # fatal error: OutOfMemory encountered: Requested array size exceeds VM limit 74 # 75 # JRE version: OpenJDK Runtime Environment (9.0) (build 1.9.0-internal-debug-cheleswer_2015_10_20_14_32-b00) 76 # 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) 77 # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %P" (or dumping to 78 /home/cheleswer/Desktop/core.6212) 79 # 80 # An error report file with more information is saved as: 81 # /home/cheleswer/Desktop/hs_err_pid6212.log 82 # 83 # If you would like to submit a bug report, please visit: 84 # http://bugreport.java.com/bugreport/crash.jsp 85 # 86 Current thread is 6213 87 Dumping core ... 88 Aborted (core dumped) 89 */ 90 output.shouldContain("Aborting due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit"); 91 // extract hs-err file 92 String hs_err_file = output.firstMatch("# *(\\S*hs_err_pid\\d+\\.log)", 1); 93 if (hs_err_file == null) { 94 throw new Error("Did not find hs-err file in output.\n"); 95 } 96 97 /* 98 * Check if hs_err files exist or not 99 */ 100 File f = new File(hs_err_file); 101 if (!f.exists()) { 102 throw new Error("hs-err file missing at "+ f.getAbsolutePath() + ".\n"); 103 } 104 105 /* 106 * Checking the completness of hs_err file. If last line of hs_err file is "END" 107 * then it proves that file is complete. 108 */ 109 try (FileInputStream fis = new FileInputStream(f); 110 BufferedReader br = new BufferedReader(new InputStreamReader(fis))) { 111 String line = null; 112 String lastLine = null; 113 while ((line = br.readLine()) != null) { 114 lastLine = line; 115 } 116 if (!lastLine.equals("END.")) { 117 throw new Error("hs-err file incomplete (missing END marker.)"); 118 } else { 119 System.out.println("End marker found."); 120 } 121 } 122 System.out.println("PASSED"); 123 } 124 }