Fix a bug where an input path was added to a Hadoop job configuration twice

core/src/main/scala/spark/SparkContext.scala

@@ -182,15 +182,12 @@ class SparkContext(
   /** Get an RDD for a Hadoop file with an arbitrary new API InputFormat. */
   def newAPIHadoopFile[K, V, F <: NewInputFormat[K, V]](path: String)
       (implicit km: ClassManifest[K], vm: ClassManifest[V], fm: ClassManifest[F]): RDD[(K, V)] = {
-    val job = new NewHadoopJob
-    NewFileInputFormat.addInputPath(job, new Path(path))
-    val conf = job.getConfiguration
     newAPIHadoopFile(
         path,
         fm.erasure.asInstanceOf[Class[F]],
         km.erasure.asInstanceOf[Class[K]],
         vm.erasure.asInstanceOf[Class[V]],
-        conf)
+        new Configuration)
   }
 
   /**