From 8b1c1520fc26132a21062ebb063dea25e9b36b8b Mon Sep 17 00:00:00 2001 From: Jey Kottalam Date: Sat, 20 Jul 2013 11:34:18 -0700 Subject: add comment --- .../scala/org/apache/hadoop/mapreduce/HadoopMapReduceUtil.scala | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'core/src/main/scala/org/apache/hadoop/mapreduce/HadoopMapReduceUtil.scala') diff --git a/core/src/main/scala/org/apache/hadoop/mapreduce/HadoopMapReduceUtil.scala b/core/src/main/scala/org/apache/hadoop/mapreduce/HadoopMapReduceUtil.scala index 0f77828dc8..dd624d8890 100644 --- a/core/src/main/scala/org/apache/hadoop/mapreduce/HadoopMapReduceUtil.scala +++ b/core/src/main/scala/org/apache/hadoop/mapreduce/HadoopMapReduceUtil.scala @@ -22,16 +22,16 @@ import org.apache.hadoop.conf.Configuration trait HadoopMapReduceUtil { def newJobContext(conf: Configuration, jobId: JobID): JobContext = { val klass = firstAvailableClass( - "org.apache.hadoop.mapreduce.task.JobContextImpl", - "org.apache.hadoop.mapreduce.JobContext") + "org.apache.hadoop.mapreduce.task.JobContextImpl", // hadoop2, hadoop2-yarn + "org.apache.hadoop.mapreduce.JobContext") // hadoop1 val ctor = klass.getDeclaredConstructor(classOf[Configuration], classOf[JobID]) ctor.newInstance(conf, jobId).asInstanceOf[JobContext] } def newTaskAttemptContext(conf: Configuration, attemptId: TaskAttemptID): TaskAttemptContext = { val klass = firstAvailableClass( - "org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl", - "org.apache.hadoop.mapreduce.TaskAttemptContext") + "org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl", // hadoop2, hadoop2-yarn + "org.apache.hadoop.mapreduce.TaskAttemptContext") // hadoop1 val ctor = klass.getDeclaredConstructor(classOf[Configuration], classOf[TaskAttemptID]) ctor.newInstance(conf, attemptId).asInstanceOf[TaskAttemptContext] } -- cgit v1.2.3