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/*
* Copyright (c) 2013, 2016, Oracle and/or its affiliates. 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 8065896
* @summary Synchronous signals during error reporting may terminate or hang VM process
* @library /test/lib
* @author Thomas Stuefe (SAP)
* @modules java.base/jdk.internal.misc
* java.management
*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.regex.Pattern;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
public class SecondaryErrorTest {
public static void main(String[] args) throws Exception {
// Do not execute for windows, nor for non-debug builds
if (Platform.isWindows()) {
return;
}
if (!Platform.isDebugBuild()) {
return;
}
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-Xmx100M",
"-XX:-CreateCoredumpOnCrash",
"-XX:ErrorHandlerTest=15",
"-XX:TestCrashInErrorHandler=14",
"-version");
OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
// we should have crashed with a SIGFPE
output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
output_detail.shouldMatch("# +SIGFPE.*");
// extract hs-err file
String hs_err_file = output_detail.firstMatch("# *(\\S*hs_err_pid\\d+\\.log)", 1);
if (hs_err_file == null) {
throw new RuntimeException("Did not find hs-err file in output.\n");
}
// scan hs-err file: File should contain the "[error occurred during error reporting..]"
// markers which show that the secondary error handling kicked in and handled the
// error successfully. As an added test, we check that the last line contains "END.",
// which is an end marker written in the last step and proves that hs-err file was
// completely written.
File f = new File(hs_err_file);
if (!f.exists()) {
throw new RuntimeException("hs-err file missing at "
+ f.getAbsolutePath() + ".\n");
}
System.out.println("Found hs_err file. Scanning...");
FileInputStream fis = new FileInputStream(f);
BufferedReader br = new BufferedReader(new InputStreamReader(fis));
String line = null;
Pattern [] pattern = new Pattern[] {
Pattern.compile("Will crash now \\(TestCrashInErrorHandler=14\\)..."),
Pattern.compile("\\[error occurred during error reporting \\(test secondary crash 1\\).*\\]"),
Pattern.compile("Will crash now \\(TestCrashInErrorHandler=14\\)..."),
Pattern.compile("\\[error occurred during error reporting \\(test secondary crash 2\\).*\\]"),
};
int currentPattern = 0;
String lastLine = null;
while ((line = br.readLine()) != null) {
if (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: " + currentPattern + ")");
}
if (!lastLine.equals("END.")) {
throw new RuntimeException("hs-err file incomplete (missing END marker.)");
} else {
System.out.println("End marker found.");
}
System.out.println("OK.");
}
}
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