java.io.IOException: No FileSystem for scheme: hdfs

aliyun.com | 6 months ago
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Root Cause Analysis

  1. java.io.IOException

    No FileSystem for scheme: hdfs

    at org.apache.hadoop.fs.FileSystem.getFileSystemClass()
  2. Hadoop
    Path.getFileSystem
    1. org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2584)
    2. org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2591)
    3. org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:91)
    4. org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2630)
    5. org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2612)
    6. org.apache.hadoop.fs.FileSystem.get(FileSystem.java:370)
    7. org.apache.hadoop.fs.FileSystem.get(FileSystem.java:169)
    8. org.apache.hadoop.fs.FileSystem.get(FileSystem.java:354)
    9. org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
    9 frames
  3. Hadoop
    FileInputFormat.addInputPath
    1. org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(FileInputFormat.java:518)
    1 frame
  4. cn.hadoop.hdfs
    WordCountV2.main
    1. cn.hadoop.hdfs.main.WordCountV2.run(WordCountV2.java:134)
    2. cn.hadoop.hdfs.main.WordCountV2.main(WordCountV2.java:108)
    2 frames