[FLINK-5170] [akka] Fix hostname usage in AkkaUtils.getConfig

This closes #2879.


Project: http://git-wip-us.apache.org/repos/asf/flink/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink/commit/8265b545
Tree: http://git-wip-us.apache.org/repos/asf/flink/tree/8265b545
Diff: http://git-wip-us.apache.org/repos/asf/flink/diff/8265b545

Branch: refs/heads/flip-6
Commit: 8265b545cff2fb5e6ca3771effd46a2fda488576
Parents: 09ec78a
Author: shuai.xus <[email protected]>
Authored: Mon Nov 28 17:14:35 2016 +0800
Committer: Till Rohrmann <[email protected]>
Committed: Mon Nov 28 17:11:29 2016 +0100

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 .../src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/flink/blob/8265b545/flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala
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diff --git 
a/flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala 
b/flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala
index 9ac9773..ddb9fc3 100644
--- a/flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala
+++ b/flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala
@@ -115,7 +115,7 @@ object AkkaUtils {
   }
 
   def getAkkaConfig(configuration: Configuration, hostname: String, port: 
Int): Config = {
-    getAkkaConfig(configuration, if (hostname == null) Some((hostname, port)) 
else None)
+    getAkkaConfig(configuration, if (hostname != null) Some((hostname, port)) 
else None)
   }
 
   /**

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