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成功创建的Hadoop环境后,当我要与0.19.1版本的Hadoop运行这个单词计数例子,它给我的错误就好了,我怎么能解决这个Hadoop的字计数例
11/12/30 06:46:13 INFO mapred.FileInputFormat: Total input paths to process : 1
11/12/30 06:46:14 INFO mapred.JobClient: Running job: job_201112300255_0019
11/12/30 06:46:15 INFO mapred.JobClient: map 0% reduce 0%
11/12/30 06:46:20 INFO mapred.JobClient: Task Id : attempt_201112300255_0019_m_000003_0, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:425)
11/12/30 06:46:24 INFO mapred.JobClient: Task Id : attempt_201112300255_0019_m_000003_1, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:425)
11/12/30 06:46:28 INFO mapred.JobClient: Task Id : attempt_201112300255_0019_m_000003_2, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:425)
11/12/30 06:46:35 INFO mapred.JobClient: Task Id : attempt_201112300255_0019_m_000002_0, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:425)
11/12/30 06:46:39 INFO mapred.JobClient: Task Id : attempt_201112300255_0019_m_000002_1, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:425)
11/12/30 06:46:44 INFO mapred.JobClient: Task Id : attempt_201112300255_0019_m_000002_2, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:425)
Exception in thread "main" java.io.IOException: Job failed!
at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1232)
at word.count.WordCount.main(WordCount.java:53)
Please help me out to resolve this error.
仅使用错误码(1)并且没有堆栈跟踪,很难确定问题,请检查日志文件是否有任何错误/警告。另外,是否有任何理由使用0.19.1,它是在2年前发布的? – 2011-12-30 14:55:08