我设置了 Hadoop 2.2.0 集群，现在运行我的 java 客户端来处理数据。运行我的 java 程序后，我注意到输出显示如下：
13/11/18 11:44:44 INFO Configuration.deprecation: user.name is deprecated. Instead, use mapreduce.job.user.name
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.jar is deprecated. Instead, use mapreduce.job.jar
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.output.value.class is deprecated. Instead, use mapreduce.job.output.value.class
13/11/18 11:44:44 INFO Configuration.deprecation: mapreduce.combine.class is deprecated. Instead, use mapreduce.job.combine.class
13/11/18 11:44:44 INFO Configuration.deprecation: mapreduce.map.class is deprecated. Instead, use mapreduce.job.map.class
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.job.name is deprecated. Instead, use mapreduce.job.name
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.textoutputformat.separator is deprecated. Instead, use mapreduce.output.textoutputformat.separator
13/11/18 11:44:44 INFO Configuration.deprecation: mapreduce.reduce.class is deprecated. Instead, use mapreduce.job.reduce.class
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.input.dir is deprecated. Instead, use mapreduce.input.fileinputformat.inputdir
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.output.dir is deprecated. Instead, use mapreduce.output.fileoutputformat.outputdir
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.map.tasks is deprecated. Instead, use mapreduce.job.maps
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.output.key.class is deprecated. Instead, use mapreduce.job.output.key.class
13/11/18 11:44:44 INFO Configuration.deprecation: mapred.working.dir is deprecated. Instead, use mapreduce.job.working.dir
该模块运行良好，看起来不会影响任何事情。但我怎样才能避免这些信息呢？ （我导入maven hadoop-client 2.2.0并使用Job job = new Job()）
在Hadoop 2.3中已修复，请参考：https://issues.apache.org/jira/browse/HADOOP-10178 https://issues.apache.org/jira/browse/HADOOP-10178
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