Java Hadoop2.2中的Mahout错误
Java Hadoop2.2中的Mahout错误,java,hadoop,mahout,Java,Hadoop,Mahout,我正在尝试使用Hadoop 2.2上的mahout 0.9库为XML解析执行mapreduce作业。 但我得到了以下错误： 14/02/24 16:03:02 INFO mapreduce.Job: Task Id : attempt_1393235568433_0004_m_000000_0, Status : FAILED Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was
我正在尝试使用Hadoop 2.2上的mahout 0.9库为XML解析执行mapreduce作业。 但我得到了以下错误：
14/02/24 16:03:02 INFO mapreduce.Job: Task Id : attempt_1393235568433_0004_m_000000_0, Status : FAILED
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
14/02/24 16:03:12 INFO mapreduce.Job: Task Id : attempt_1393235568433_0004_m_000000_1, Status : FAILED
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
14/02/24 16:03:31 INFO mapreduce.Job: Task Id : attempt_1393235568433_0004_m_000000_2, Status : FAILED
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
14/02/24 16:03:53 INFO mapreduce.Job: map 100% reduce 100%
14/02/24 16:03:53 INFO mapreduce.Job: Job job_1393235568433_0004 failed with state FAILED due to: Task failed task_1393235568433_0004_m_000000
Job failed as tasks failed. failedMaps:1 failedReduces:0
我试图搜索解决方案，但得到了一个链接，该链接指出Hadoop 2.2不支持Mahout 0.8或0.9。
任何可能的解决方法？？？大约一小时前，Mahout在主分支中正式添加了对Hadoop 2.x的支持（请参阅） 在此处签出代码并使用以下命令重新编译：
mvn clean package -Dhadoop2.version=2.2.0