Repository: spark
Updated Branches:
  refs/heads/master 4f1758509 -> 132bcceeb


[SPARK-25036][SQL] Avoid discarding unmoored doc comment in Scala-2.12.

## What changes were proposed in this pull request?

This PR avoid the following compilation error using sbt in Scala-2.12.

```
[error] [warn] 
/home/ishizaki/Spark/PR/scala212/spark/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala:410:
 discarding unmoored doc comment
[error] [warn]     /**
[error] [warn]
[error] [warn] 
/home/ishizaki/Spark/PR/scala212/spark/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala:441:
 discarding unmoored doc comment
[error] [warn]     /**
[error] [warn]
...
[error] [warn] 
/home/ishizaki/Spark/PR/scala212/spark/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala:440:
 discarding unmoored doc comment
[error] [warn]     /**
[error] [warn]
```

## How was this patch tested?

Existing UTs

Closes #22059 from kiszk/SPARK-25036d.

Authored-by: Kazuaki Ishizaki <ishiz...@jp.ibm.com>
Signed-off-by: Sean Owen <sro...@gmail.com>


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/132bccee
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/132bccee
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/132bccee

Branch: refs/heads/master
Commit: 132bcceebb7723aea9845c9e207e572ecb44a4a2
Parents: 4f17585
Author: Kazuaki Ishizaki <ishiz...@jp.ibm.com>
Authored: Fri Aug 10 07:32:52 2018 -0500
Committer: Sean Owen <sro...@gmail.com>
Committed: Fri Aug 10 07:32:52 2018 -0500

----------------------------------------------------------------------
 .../main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala  | 4 ++--
 .../src/main/scala/org/apache/spark/deploy/yarn/Client.scala     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/132bccee/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
----------------------------------------------------------------------
diff --git 
a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala 
b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
index 918560a..4cdd172 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
@@ -407,7 +407,7 @@ private[spark] object RandomForest extends Logging with 
Serializable {
       metadata.isMulticlassWithCategoricalFeatures)
     logDebug("using nodeIdCache = " + nodeIdCache.nonEmpty.toString)
 
-    /**
+    /*
      * Performs a sequential aggregation over a partition for a particular 
tree and node.
      *
      * For each feature, the aggregate sufficient statistics are updated for 
the relevant
@@ -438,7 +438,7 @@ private[spark] object RandomForest extends Logging with 
Serializable {
       }
     }
 
-    /**
+    /*
      * Performs a sequential aggregation over a partition.
      *
      * Each data point contributes to one node. For each feature,

http://git-wip-us.apache.org/repos/asf/spark/blob/132bccee/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
----------------------------------------------------------------------
diff --git 
a/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
 
b/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
index ed9879c..75614a4 100644
--- 
a/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
+++ 
b/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
@@ -437,7 +437,7 @@ private[spark] class Client(
       }
     }
 
-    /**
+    /*
      * Distribute a file to the cluster.
      *
      * If the file's path is a "local:" URI, it's actually not distributed. 
Other files are copied


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