6830220: Logging issues due to regression from bug fix 6797480

Reviewed-by: swamyv

jdk/src/share/classes/java/util/logging/Logger.java

@@ -477,7 +477,7 @@ public class Logger {
 
         Logger logger = this;
         while (logger != null) {
-            for (Handler handler : logger.handlers) {
+            for (Handler handler : logger.getHandlers()) {
                 handler.publish(record);
             }
 

jdk/test/java/util/logging/LoggerSubclass.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2009 Google, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6830220
+ * @summary Test Logger subclasses
+ */
+
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.util.logging.LogRecord;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+
+public class LoggerSubclass {
+    void test(String[] args) {
+        final String name = "myLogger";
+        final String message = "myMessage";
+        final AtomicInteger getHandlerCount = new AtomicInteger(0);
+        final AtomicLong lastSequenceNumber = new AtomicLong(-1L);
+        final AtomicInteger lastThreadID = new AtomicInteger(-1);
+        final Logger logger = new Logger(name, null) {
+            public Handler[] getHandlers() {
+                getHandlerCount.getAndIncrement();
+                return super.getHandlers();
+            }};
+        equal(logger.getName(), name);
+        equal(logger.getResourceBundle(), null);
+        equal(logger.getFilter(), null);
+        equal(logger.getLevel(), null);
+        check(logger.isLoggable(Level.WARNING));
+        logger.addHandler(new Handler() {
+            public void close() {}
+            public void flush() {}
+            public void publish(LogRecord l) {
+                equal(l.getLoggerName(), name);
+                equal(l.getMessage(), message);
+                equal(l.getResourceBundle(), null);
+                equal(l.getSourceClassName(), "LoggerSubclass");
+                equal(l.getSourceMethodName(), "test");
+                equal(l.getThrown(), null);
+                equal(l.getLevel(), Level.WARNING);
+
+                if (lastSequenceNumber.get() != -1) {
+                    equal(lastSequenceNumber.get() + 1,
+                          l.getSequenceNumber());
+                    equal(lastThreadID.get(),
+                          l.getThreadID());
+                }
+                lastSequenceNumber.set(l.getSequenceNumber());
+                lastThreadID.set(l.getThreadID());
+            }});
+        for (int i = 1; i < 4; i++) {
+            logger.warning(message); // Should invoke getHandlers()
+            equal(i, getHandlerCount.get());
+        }
+    }
+
+    //--------------------- Infrastructure ---------------------------
+    volatile int passed = 0, failed = 0;
+    void pass() {passed++;}
+    void fail() {failed++; Thread.dumpStack();}
+    void fail(String msg) {System.err.println(msg); fail();}
+    void unexpected(Throwable t) {failed++; t.printStackTrace();}
+    void check(boolean cond) {if (cond) pass(); else fail();}
+    void equal(Object x, Object y) {
+        if (x == null ? y == null : x.equals(y)) pass();
+        else fail(x + " not equal to " + y);}
+    public static void main(String[] args) throws Throwable {
+        try {new LoggerSubclass().instanceMain(args);}
+        catch (Throwable e) {throw e.getCause();}}
+    public void instanceMain(String[] args) throws Throwable {
+        try {test(args);} catch (Throwable t) {unexpected(t);}
+        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
+        if (failed > 0) throw new AssertionError("Some tests failed");}
+}