Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.FileAlreadyExistsException

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      // normalize the output directory
      outDir = fs.makeQualified(outDir);
      setOutputPath(job, outDir);
      // check its existence
      if (fs.exists(outDir)) {
        throw new FileAlreadyExistsException("Output directory " + outDir
            + " already exists");
      }
    }
  }
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    String[] vNames = { "tokenizer", "summer" };

    Set<StatusGetOpts> statusGetOpts = EnumSet.of(StatusGetOpts.GET_COUNTERS);
    try {
        if (fs.exists(new Path(outputPath))) {
          throw new FileAlreadyExistsException("Output directory "
              + outputPath + " already exists");
        }
       
        Map<String, LocalResource> localResources =
          new TreeMap<String, LocalResource>();
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      // normalize the output directory
      outDir = fs.makeQualified(outDir);
      setOutputPath(job, outDir);
      // check its existence
      if (fs.exists(outDir)) {
        throw new FileAlreadyExistsException("Output directory " + outDir
            + " already exists");
      }
    }
  }
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        String inputPath = inputPaths.get(dagIndex-1);
        String outputPath = outputPaths.get(dagIndex-1);

        if (fs.exists(new Path(outputPath))) {
          throw new FileAlreadyExistsException("Output directory "
              + outputPath + " already exists");
        }
        LOG.info("Running OrderedWordCount DAG"
            + ", dagIndex=" + dagIndex
            + ", inputPath=" + inputPath
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      // get delegation token for the outDir's file system
      TokenCache.obtainTokensForNamenodes(new Path[] {outDir}, job);
     
      // check its existence
      if (fs.exists(outDir)) {
        throw new FileAlreadyExistsException("Output directory " + outDir +
                                             " already exists");
      }
    }
  }
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        String inputPath = inputPaths.get(dagIndex-1);
        String outputPath = outputPaths.get(dagIndex-1);

        if (fs.exists(new Path(outputPath))) {
          throw new FileAlreadyExistsException("Output directory "
              + outputPath + " already exists");
        }
        LOG.info("Running OrderedWordCount DAG"
            + ", dagIndex=" + dagIndex
            + ", inputPath=" + inputPath
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        String inputPath = inputPaths.get(dagIndex-1);
        String outputPath = outputPaths.get(dagIndex-1);

        if (fs.exists(new Path(outputPath))) {
          throw new FileAlreadyExistsException("Output directory "
              + outputPath + " already exists");
        }
        LOG.info("Running OrderedWordCount DAG"
            + ", dagIndex=" + dagIndex
            + ", inputPath=" + inputPath
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    String[] vNames = { "map1", "map2", "map3", "checker" };

    Set<StatusGetOpts> statusGetOpts = EnumSet.of(StatusGetOpts.GET_COUNTERS);
    try {
        if (fs.exists(new Path(outputPath))) {
          throw new FileAlreadyExistsException("Output directory "
              + outputPath + " already exists");
        }
       
        Map<String, LocalResource> localResources =
          new TreeMap<String, LocalResource>();
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    String[] vNames = { "tokenizer", "summer" };

    Set<StatusGetOpts> statusGetOpts = EnumSet.of(StatusGetOpts.GET_COUNTERS);
    try {
        if (fs.exists(new Path(outputPath))) {
          throw new FileAlreadyExistsException("Output directory "
              + outputPath + " already exists");
        }
       
        Map<String, LocalResource> localResources =
          new TreeMap<String, LocalResource>();
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    TokenCache.obtainTokensForNamenodes(job.getCredentials(),
                                        new Path[] {outDir},
                                        job.getConfiguration());

    if (outDir.getFileSystem(job.getConfiguration()).exists(outDir)) {
      throw new FileAlreadyExistsException("Output directory " + outDir +
                                           " already exists");
    }
  }
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