Github user zsxwing commented on the issue:
https://github.com/apache/spark/pull/16052
@uncleGen Could you add the following test to StreamingContextSuite?
Otherwise, LGTM.
```Scala
test("SPARK-18560 Receiver data should be deserialized properly.") {
// Start a two nodes cluster, so receiver will use one node, and Spark
jobs will use the
// other one. Then Spark jobs need to fetch remote blocks and it will
trigger SPARK-18560.
val conf = new
SparkConf().setMaster("local-cluster[2,1,1024]").setAppName(appName)
sc = new SparkContext(conf)
ssc = new StreamingContext(sc, Milliseconds(100))
val input = ssc.receiverStream(new TestReceiver)
input.count().foreachRDD { rdd =>
// Make sure we can read from BlockRDD
if (rdd.collect().headOption.getOrElse(0L) > 0) {
// Stop StreamingContext to unblock "awaitTerminationOrTimeout"
new Thread() {
setDaemon(true)
override def run(): Unit = {
ssc.stop(stopSparkContext = true, stopGracefully = true)
}
}.start()
}
}
ssc.start()
ssc.awaitTerminationOrTimeout(60000)
}
```
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