jdk/test/hotspot/jtreg/runtime/ErrorHandling/ErrorFileScanner.java
Coleen Phillimore 819d2df8b0 8274794: Print all owned locks in hs_err file
Reviewed-by: stuefe, dholmes
2021-10-21 11:28:22 +00:00

75 lines
2.4 KiB
Java

/*
* Copyright (c) 2021, 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.
*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.regex.Pattern;
import jdk.test.lib.process.OutputAnalyzer;
public class ErrorFileScanner {
public 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;
}
public 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] + ")");
}
}
}