[SPARK-7726] Fix Scaladoc false errors

network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java

@@ -24,6 +24,9 @@
 
 import org.apache.spark.network.protocol.Encoders;
 
+// Needed by ScalaDoc. See SPARK-7726
+import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
+
 /** Request to read a set of blocks. Returns {@link StreamHandle}. */
 public class OpenBlocks extends BlockTransferMessage {
   public final String appId;

network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java

@@ -22,6 +22,9 @@
 
 import org.apache.spark.network.protocol.Encoders;
 
+// Needed by ScalaDoc. See SPARK-7726
+import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
+
 /**
  * Initial registration message between an executor and its local shuffle server.
  * Returns nothing (empty bye array).

network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java

@@ -20,6 +20,9 @@
 import com.google.common.base.Objects;
 import io.netty.buffer.ByteBuf;
 
+// Needed by ScalaDoc. See SPARK-7726
+import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
+
 /**
  * Identifier for a fixed number of chunks to read from a stream created by an "open blocks"
  * message. This is used by {@link org.apache.spark.network.shuffle.OneForOneBlockFetcher}.

network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java

@@ -24,6 +24,9 @@
 
 import org.apache.spark.network.protocol.Encoders;
 
+// Needed by ScalaDoc. See SPARK-7726
+import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
+
 
 /** Request to upload a block with a certain StorageLevel. Returns nothing (empty byte array). */
 public class UploadBlock extends BlockTransferMessage {

pom.xml

@@ -1799,9 +1799,9 @@
         <property><name>scala-2.11</name></property>
       </activation>
       <properties>
-        <scala.version>2.11.2</scala.version>
+        <scala.version>2.11.6</scala.version>
         <scala.binary.version>2.11</scala.binary.version>
-        <jline.version>2.12</jline.version>
+        <jline.version>2.12.1</jline.version>
         <jline.groupid>jline</jline.groupid>
       </properties>
     </profile>

repl/scala-2.11/src/main/scala/org/apache/spark/repl/SparkIMain.scala

@@ -1129,7 +1129,7 @@ class SparkIMain(@BeanProperty val factory: ScriptEngineFactory, initialSettings
 
     def apply(line: String): Result = debugging(s"""parse("$line")""")  {
       var isIncomplete = false
-      currentRun.reporting.withIncompleteHandler((_, _) => isIncomplete = true) {
+      currentRun.parsing.withIncompleteHandler((_, _) => isIncomplete = true) {
         reporter.reset()
         val trees = newUnitParser(line).parseStats()
         if (reporter.hasErrors) Error