Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2239#discussion_r185718247
--- Diff: store/search/src/main/scala/org/apache/spark/rpc/Master.scala ---
@@ -70,7 +71,9 @@ class Master(sparkConf: SparkConf, port: Int) {
/** start service and listen on port passed in constructor */
def startService(): Unit = {
+ val isStarted: AtomicBoolean = new AtomicBoolean(false)
--- End diff --
move it into next line---
