我有一个类(为了便于阅读，我删除了try/catch):publicclassHadoopFileSystem{privateFileSystemm_fileSystem=null;publicHadoopFileSystem(){Configurationl_configuration=newConfiguration();l_configuration.set("fs.default.name","hdfs://localhost:9100");l_configuration.set("mapred.job.tracker","localhost:9101");m_fileSyst