93 lines
4.0 KiB
Java
93 lines
4.0 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8314263
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* @summary Creating a logger while loading the Logger finder
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* triggers recursion and StackOverflowError
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* @modules java.base/jdk.internal.logger:+open
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* @library ../lib
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* @compile RecursiveLoadingTest.java SimpleLoggerFinder.java
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* @run main/othervm RecursiveLoadingTest
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*/
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import java.time.Instant;
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import java.util.Arrays;
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import java.util.List;
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import java.util.logging.LogRecord;
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public class RecursiveLoadingTest {
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/**
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* This test triggers recursion by calling `System.getLogger` in the class init and constructor
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* of a custom LoggerFinder. Without the fix, this is expected to throw
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* java.lang.NoClassDefFoundError: Could not initialize class jdk.internal.logger.LoggerFinderLoader$ErrorPolicy
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* caused by: java.lang.StackOverflowError
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*/
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public static void main(String[] args) throws Throwable {
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System.getLogger("main").log(System.Logger.Level.INFO, "in main");
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// allow time to let bootstrap logger flush data
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BootstrapLoggerUtils.awaitPending();
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List<Object> logs = loggerfinder.SimpleLoggerFinder.LOGS;
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logs.stream().map(SimpleLogRecord::of).forEach(System.out::println);
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logs.stream().map(SimpleLogRecord::of).forEach(SimpleLogRecord::check);
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assertEquals(String.valueOf(logs.size()), String.valueOf(3));
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}
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static List<Object> asList(Object[] params) {
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return params == null ? null : Arrays.asList(params);
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}
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record SimpleLogRecord(String message, Instant instant, String loggerName,
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java.util.logging.Level level, List<Object> params,
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String resourceBundleName, long seqNumber,
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String sourceClassName, String methodName, Throwable thrown) {
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SimpleLogRecord(LogRecord record) {
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this(record.getMessage(), record.getInstant(), record.getLoggerName(), record.getLevel(),
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asList(record.getParameters()), record.getResourceBundleName(), record.getSequenceNumber(),
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record.getSourceClassName(), record.getSourceMethodName(), record.getThrown());
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}
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static SimpleLogRecord of(Object o) {
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return (o instanceof LogRecord record) ? new SimpleLogRecord(record) : null;
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}
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static SimpleLogRecord check(SimpleLogRecord record) {
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if (record.loggerName.equals("dummy")) {
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assertEquals(record.sourceClassName, "jdk.internal.logger.BootstrapLogger$LogEvent");
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assertEquals(record.methodName(), "log");
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}
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if (record.loggerName.equals("main")) {
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assertEquals(record.sourceClassName, RecursiveLoadingTest.class.getName());
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assertEquals(record.methodName, "main");
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}
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return record;
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}
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}
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private static void assertEquals(String received, String expected) {
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if (!expected.equals(received)) {
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throw new RuntimeException("Received: " + received);
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}
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}
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}
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