0
InputFormat에서 CombineFileInputFormatInput을 사용하는 동안 오류 InstantiationException이 발생했습니다.하둡 CombineFileInputFormatInput
Configuration conf = new Configuration();
conf.set("fs.default.name", "hdfs://master:54310");
Job job = new Job(conf, "WordCount");
job.setJarByClass(WordCount.class);
job.setMapperClass(WordCountMapper.class);
job.setReducerClass(WordCountReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
job.setInputFormatClass(CombineFileInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
FileInputFormat.addInputPath(job, new Path("/user/hduser/CombineFileInputFormatInput"));
FileOutputFormat.setOutputPath(job, new Path("/user/hduser/CombineFileInputFormatOutputNew2"));
System.exit(job.waitForCompletion(true) ? 0 : 1);
이 예외의 스택 추적을 얻을 수 있습니까? – Amar