Github user guoxu1231 commented on a diff in the pull request:
https://github.com/apache/spark/pull/10464#discussion_r48527970
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/dstream/SocketInputDStream.scala
---
@@ -52,34 +52,40 @@ class SocketReceiver[T: ClassTag](
storageLevel: StorageLevel
) extends Receiver[T](storageLevel) with Logging {
+ var socket: Socket = null
+
def onStart() {
+ logInfo("Connecting to " + host + ":" + port)
+ socket = new Socket(host, port)
+ logInfo("Connected to " + host + ":" + port)
+
// Start the thread that receives data over a connection
new Thread("Socket Receiver") {
setDaemon(true)
- override def run() { receive() }
+ override def run() { receive(socket) }
}.start()
}
def onStop() {
- // There is nothing much to do as the thread calling receive()
- // is designed to stop by itself isStopped() returns false
+ if (socket != null) {
+ socket.close()
--- End diff --
Thanks for the great review comments! It's great . Will revise it now
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