fix

Author: squito

common/network-common/src/main/java/org/apache/spark/network/client/StreamCallbackWithID.java

@@ -18,5 +18,5 @@
 package org.apache.spark.network.client;
 
 public interface StreamCallbackWithID extends StreamCallback {
-  public String getID();
+  String getID();
 }

common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java

@@ -230,8 +230,8 @@ public void onComplete(String streamId) throws IOException {
              streamHandler.onComplete(streamId);
              callback.onSuccess(ByteBuffer.allocate(0));
            } catch (Exception ex) {
-             IOException ioExc = new IOException("Failure post-processing complete stream; failing " +
-               "this rpc and leaving channel active");
+             IOException ioExc = new IOException("Failure post-processing complete stream;" +
+               " failing this rpc and leaving channel active");
              callback.onFailure(ioExc);
              streamHandler.onFailure(streamId, ioExc);
            }