revert build break, add mima break

Author: Brennon York

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

@@ -39,7 +39,7 @@ import org.apache.hadoop.io.{ArrayWritable, BooleanWritable, BytesWritable, Doub
   FloatWritable, IntWritable, LongWritable, NullWritable, Text, Writable}
 import org.apache.hadoop.mapred.{FileInputFormat, InputFormat, JobConf, SequenceFileInputFormat,
   TextInputFormat}
-// import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat, Job => NewHadoopJob}
+import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat, Job => NewHadoopJob}
 import org.apache.hadoop.mapreduce.lib.input.{FileInputFormat => NewFileInputFormat}
 
 import org.apache.mesos.MesosNativeLibrary

project/MimaExcludes.scala

@@ -85,9 +85,9 @@ object MimaExcludes {
             ProblemFilters.exclude[MissingMethodProblem](
               "org.apache.spark.mllib.linalg.Vector.numNonzeros"),
             ProblemFilters.exclude[MissingMethodProblem](
-              "org.apache.spark.mllib.linalg.Vector.toSparse"),
-            ProblemFilters.exclude[MissingMethodProblem](
-              "org.apache.spark.mllib.linalg.Vector.numActives")
+              "org.apache.spark.mllib.linalg.Vector.toSparse")
+            // ProblemFilters.exclude[MissingMethodProblem](
+            //  "org.apache.spark.mllib.linalg.Vector.numActives")
           )
 
         case v if v.startsWith("1.3") =>