Resolved scala checkstyle issues.

flink-addons/flink-yarn/src/main/scala/org/apache/flink/yarn/ApplicationClient.scala

@@ -71,9 +71,6 @@ class ApplicationClient(appId: ApplicationId, port: Int, yarnClient: YarnClient,
     case PollYarnReport => {
       val report = yarnClient.getApplicationReport(appId)
 
-      log.info(s"Yarn state ${report.getYarnApplicationState}, " +
-        s"state ${report.getFinalApplicationStatus}")
-
       report.getYarnApplicationState match {
         case YarnApplicationState.FINISHED | YarnApplicationState.KILLED | YarnApplicationState
           .FAILED => {

flink-addons/flink-yarn/src/main/scala/org/apache/flink/yarn/YarnUtils.scala

@@ -42,6 +42,9 @@ object YarnUtils {
   def getConfigString: String = {
     s"""akka.loglevel = "INFO"
       |akka.stdout-loglevel = "INFO"
+      |akka.log-dead-letters-during-shutdown = off
+      |akka.log-dead-letters = off
+      |akka.remote.log-remote-lifecycle-events=off
       |""".stripMargin
   }
 

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/CoGroupITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/CrossITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/DistinctITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/ExamplesITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/FilterITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/FirstNITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/FlatMapITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/GroupReduceITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/JoinITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/MapITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/ReduceITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/SumMinMaxITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/operators/UnionITCase.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,

flink-tests/src/test/scala/org/apache/flink/api/scala/util/CollectionDataSets.scala

@@ -7,7 +7,7 @@
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,