java.io.IOException: No FileSystem for scheme: hdfs at org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2421) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2428) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:88) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2467) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2449) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:367) at FileCopyToHdfs.readFromHdfs(FileCopyToHdfs.java:65) at FileCopyToHdfs.main(FileCopyToHdfs.java:26)
原因一般是,少导入hadoop-hdfs.jar这个jar包,
导入该包后,重新ant编译,提交任务,运行正常!