Fix logging API

pkg/analysis_server/lib/src/analysis_logger.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analysis.logger;
 
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:logging/logging.dart' as logging;
+import 'package:analyzer/src/generated/java_engine.dart';
 
 /**
  * Instances of the class [AnalysisLogger] translate from the analysis engine's
  * API to the logging package's API.
  */
 class AnalysisLogger implements Logger {
   /**
    * The underlying logger that is being wrapped.
    */
   final logging.Logger baseLogger = new logging.Logger('analysis.server');
 
   @override
-  void logError(String message) {
-    baseLogger.severe(message);
+  void logError(String message, [CaughtException exception]) {
+    if (exception == null) {
+      baseLogger.severe(message);
+    } else {
+      baseLogger.severe(message, exception.exception, exception.stackTrace);
+    }
   }
 
   @override
-  void logError2(String message, Exception exception) {
+  void logError2(String message, Object exception) {
     baseLogger.severe(message, exception);
   }
 
   @override
-  void logInformation(String message) {
-    baseLogger.info(message);
+  void logInformation(String message, [CaughtException exception]) {
+    if (exception == null) {
+      baseLogger.info(message);
+    } else {
+      baseLogger.info(message, exception.exception, exception.stackTrace);
+    }
   }
 
   @override
-  void logInformation2(String message, Exception exception) {
+  void logInformation2(String message, Object exception) {
     baseLogger.info(message, exception);
   }
 }