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