TestCrashOnOutOfMemoryError.java revision 11833:1cbffa2beba6 
1/*
2 * Copyright (c) 2015, 2016, 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
33import jdk.test.lib.process.OutputAnalyzer;
34import jdk.test.lib.process.ProcessTools;
35import java.io.BufferedReader;
36import java.io.File;
37import java.io.FileInputStream;
38import java.io.InputStreamReader;
39import java.io.IOException;
40
41public 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}
124