Merge branch 'sprint-2' of https://git-wip-us.apache.org/repos/asf/in…

…cubator-ignite into ignite-futures-cleanup-1

Conflicts:
	modules/core/src/main/java/org/apache/ignite/internal/processors/hadoop/HadoopNoopProcessor.java
	modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/jobtracker/HadoopJobTracker.java
	modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/shuffle/HadoopShuffleJob.java
	modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/HadoopExternalTaskExecutor.java

modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/HadoopExternalTaskExecutor.java

@@ -330,7 +330,7 @@ private HadoopProcess startProcess(final HadoopJob job, final HadoopMapReducePla
 
         HadoopJobId jobId = job.id();
 
-        final HadoopProcessFuture fut = new HadoopProcessFuture(childProcId, jobId, ctx.kernalContext());
+        final HadoopProcessFuture fut = new HadoopProcessFuture(childProcId, jobId);
 
         final HadoopProcess proc = new HadoopProcess(jobId, fut, plan.reducers(ctx.localNodeId()));
 
@@ -853,9 +853,6 @@ private Collection<Integer> reducers() {
      *
      */
     private class HadoopProcessFuture extends GridFutureAdapter<IgniteBiTuple<Process, HadoopProcessDescriptor>> {
-        /** */
-        private static final long serialVersionUID = 0L;
-
         /** Child process ID. */
         private UUID childProcId;
 
@@ -878,16 +875,8 @@ private class HadoopProcessFuture extends GridFutureAdapter<IgniteBiTuple<Proces
         private final IgniteLogger log = HadoopExternalTaskExecutor.this.log;
 
         /**
-         * Empty constructor.
-         */
-        public HadoopProcessFuture() {
-            // No-op.
-        }
-
-        /**
-         * @param ctx Kernal context.
          */
-        private GridHadoopProcessFuture(UUID childProcId, HadoopJobId jobId, GridKernalContext ctx) {
+        private HadoopProcessFuture(UUID childProcId, HadoopJobId jobId) {
             this.childProcId = childProcId;
             this.jobId = jobId;
         }