org.apache.hadoop.classification 在哪个jar包

Add hadoop-annotations-2.0.0-cdh4.0.1.jar to the classpath
$javac -classpath /usr/lib/hadoop/hadoop-common-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop/client/hadoop-mapreduce-client-core-2.0.0-cdh4.0.1.jar -d ~/wordcount /usr/lib/hadoop/wordcount_classes/WordCount.java
/usr/lib/hadoop/hadoop-common-2.0.0-cdh4.0.1.jar(org/apache/hadoop/fs/Path.class):

warning: Cannot find annotation method 'value()' in type 'LimitedPrivate': class file for org.apache.hadoop.classification.InterfaceAudience not found
1 warning