<classifier>hadoop1</classifier>Error running child : java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext(ReduceTask.java:597)
at org.apache.<em
我已经启动并运行了所有Hadoop (hadoop-2.5)守护进程(由JPS确认)。) at org.apache.hadoop.mapreduce.Cluster.getJoborg.apache.hadoop.net.NetUtils.connect(NetUtils.java:493)
at org.apache.hado