Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/7159#discussion_r33778479
--- Diff: core/src/main/scala/org/apache/spark/rpc/RpcEnv.scala ---
@@ -138,6 +138,12 @@ private[spark] abstract class RpcEnv(conf: SparkConf) {
* creating it manually because different [[RpcEnv]] may have different
formats.
*/
def uriOf(systemName: String, address: RpcAddress, endpointName:
String): String
+
+ /**
+ * [[RpcEndpointRef]] cannot be deserialized without [[RpcEnv]]. So when
deserializing any object
+ * that contains [[RpcEndpointRef]]s, the deserialization codes should
be wrapped by this method.
+ */
+ def deserialize[T](deserializationAction: () => T): T
--- End diff --
Add this new method to RpcEnv for RpcEndpointRef deserialization
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