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/*
* Copyright (c) 2019, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, SAP. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8221738
* @summary Test that subsequent crashes will overwrite the file given to -XX:ErrorFile (unless %a is specified
* in the error file name)
* @library /test/lib
* @modules java.base/jdk.internal.misc
* @requires vm.flagless
* @requires (vm.debug == true)
* @run driver ErrorFileOverwriteTest
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.io.*;
import java.util.regex.Pattern;
public class ErrorFileOverwriteTest {
private static File findHsErrorFileInOutput(OutputAnalyzer output) {
String hs_err_file = output.firstMatch("# *(\\S*hs_err_pid.*\\.log)", 1);
if(hs_err_file ==null) {
throw new RuntimeException("Did not find hs-err file in output.\n");
}
File f = new File(hs_err_file);
if (!f.exists()) {
throw new RuntimeException("hs-err file missing at "
+ f.getAbsolutePath() + ".\n");
}
return f;
}
private static void scanHsErrorFileForContent(File f, Pattern[] pattern) throws IOException {
FileInputStream fis = new FileInputStream(f);
BufferedReader br = new BufferedReader(new InputStreamReader(fis));
String line = null;
int currentPattern = 0;
String lastLine = null;
while ((line = br.readLine()) != null && currentPattern < pattern.length) {
if (pattern[currentPattern].matcher(line).matches()) {
System.out.println("Found: " + line + ".");
currentPattern++;
}
lastLine = line;
}
br.close();
if (currentPattern < pattern.length) {
throw new RuntimeException("hs-err file incomplete (first missing pattern: " + pattern[currentPattern] + ")");
}
}
public static void do_test(boolean with_percent_p) throws Exception {
// Crash twice.
//
// Second crash should, given an error file Without %p,
// overwrite the first file. With %p it should not.
String errorFileStem = "hs_err_pid_test";
String errorFileName = errorFileStem + (with_percent_p ? "%p" : "") + ".log";
System.out.println("Testing with error file name " + errorFileName + "...");
System.out.println("First crash...");
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-Xmx64M",
"-XX:-CreateCoredumpOnCrash",
"-XX:ErrorHandlerTest=1",
"-XX:ErrorFile=" + errorFileName,
"-version");
OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
output_detail.shouldMatch("# An error report file with more information is saved as:.*");
output_detail.shouldMatch("# " + errorFileStem + ".*");
System.out.println("First crash: Found expected output on tty. Ok.");
File f = findHsErrorFileInOutput(output_detail);
System.out.println("First crash: Found hs error file at " + f.getAbsolutePath());
scanHsErrorFileForContent(f, new Pattern[] {
Pattern.compile("# *Internal Error.*"),
Pattern.compile("Command Line:.*-XX:ErrorHandlerTest=1.*-XX:ErrorFile=" + errorFileStem + ".*")
});
System.out.println("First crash: hs error content as expected. Ok.");
System.out.println("Second crash...");
pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-Xmx64M",
"-XX:-CreateCoredumpOnCrash",
"-XX:ErrorHandlerTest=2", // << now 2
"-XX:ErrorFile=" + errorFileName,
"-version");
output_detail = new OutputAnalyzer(pb.start());
output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
output_detail.shouldMatch("# An error report file with more information is saved as:.*");
output_detail.shouldMatch("# " + errorFileStem + ".*");
System.out.println("Second crash: Found expected output on tty. Ok.");
File f2 = findHsErrorFileInOutput(output_detail);
System.out.println("Second crash: Found hs error file at " + f2.getAbsolutePath());
if (with_percent_p) {
if (f2.getAbsolutePath() == f.getAbsolutePath()) {
throw new RuntimeException("Unexpected overwriting of error file");
}
}
scanHsErrorFileForContent(f2, new Pattern[] {
Pattern.compile("# *Internal Error.*"),
Pattern.compile("Command Line:.*-XX:ErrorHandlerTest=2.*-XX:ErrorFile=" + errorFileStem + ".*")
});
System.out.println("Second crash: hs error content as expected. Ok.");
}
public static void main(String[] args) throws Exception {
do_test(false);
do_test(true);
}
}
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