8153723: Change the default logging output for errors and warnings from stderr to stdout
authorrehn
Mon, 23 May 2016 08:02:04 +0200
changeset 38646 49e5e88613bf
parent 38645 3cffc9cf5ded
child 38647 e17e25c51396
8153723: Change the default logging output for errors and warnings from stderr to stdout Reviewed-by: mlarsson, sla
hotspot/src/share/vm/logging/log.cpp
hotspot/src/share/vm/logging/logFileStreamOutput.hpp
hotspot/src/share/vm/logging/logTagSet.cpp
hotspot/test/serviceability/logging/TestDefaultLogOutput.java
--- a/hotspot/src/share/vm/logging/log.cpp	Fri May 20 11:30:51 2016 -0700
+++ b/hotspot/src/share/vm/logging/log.cpp	Mon May 23 08:02:04 2016 +0200
@@ -578,11 +578,6 @@
 
   LogConfiguration::disable_logging();
   assert(Test_logconfiguration_subscribe_triggered == 3, "subscription not triggered (3)");
-
-  // We need to renable stderr error logging since "disable_logging" disable it all.
-  // TestLogSavedConfig log_cfg will only renable stdout for us.
-  LogConfiguration::parse_log_arguments("stderr", "all=warning", NULL, NULL, log.error_stream());
-  assert(Test_logconfiguration_subscribe_triggered == 4, "subscription not triggered (3)");
 }
 
 #define LOG_PREFIX_STR "THE_PREFIX "
--- a/hotspot/src/share/vm/logging/logFileStreamOutput.hpp	Fri May 20 11:30:51 2016 -0700
+++ b/hotspot/src/share/vm/logging/logFileStreamOutput.hpp	Mon May 23 08:02:04 2016 +0200
@@ -54,7 +54,7 @@
  private:
   static LogStdoutOutput _instance;
   LogStdoutOutput() : LogFileStreamOutput(stdout) {
-    set_config_string("all=off");
+    set_config_string("all=warning");
   }
   virtual bool initialize(const char* options, outputStream* errstream) {
     return false;
@@ -70,7 +70,7 @@
  private:
   static LogStderrOutput _instance;
   LogStderrOutput() : LogFileStreamOutput(stderr) {
-    set_config_string("all=warning");
+    set_config_string("all=off");
   }
   virtual bool initialize(const char* options, outputStream* errstream) {
     return false;
--- a/hotspot/src/share/vm/logging/logTagSet.cpp	Fri May 20 11:30:51 2016 -0700
+++ b/hotspot/src/share/vm/logging/logTagSet.cpp	Mon May 23 08:02:04 2016 +0200
@@ -50,7 +50,7 @@
   _ntagsets++;
 
   // Set the default output to warning and error level for all new tagsets.
-  _output_list.set_output_level(LogOutput::Stderr, LogLevel::Default);
+  _output_list.set_output_level(LogOutput::Stdout, LogLevel::Default);
 }
 
 void LogTagSet::update_decorators(const LogDecorators& decorator) {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/logging/TestDefaultLogOutput.java	Mon May 23 08:02:04 2016 +0200
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 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 TestDefaultLogOutput
+ * @summary Ensure logging is default on stdout.
+ * @modules java.base/jdk.internal.misc
+ * @library /testlibrary
+ */
+
+import jdk.test.lib.ProcessTools;
+import jdk.test.lib.OutputAnalyzer;
+
+public class TestDefaultLogOutput {
+
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:badTag");
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.stdoutShouldMatch("\\[error *\\]\\[logging *\\]");
+        output.shouldHaveExitValue(1);
+    }
+}
+