Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/6205#discussion_r31830324
--- Diff: core/src/main/scala/org/apache/spark/rpc/RpcEnv.scala ---
@@ -182,3 +185,130 @@ private[spark] object RpcAddress {
RpcAddress(host, port)
}
}
+
+
+/**
+ * An exception thrown if RpcTimeout modifies a [[TimeoutException]].
+ */
+private[rpc] class RpcTimeoutException(message: String)
+ extends TimeoutException(message)
+
+
+/**
+ * Associates a timeout with a description so that a when a
TimeoutException occurs, additional
+ * context about the timeout can be amended to the exception message.
+ * @param timeout timeout duration in seconds
+ * @param description description to be displayed in a timeout exception
+ */
+private[spark] class RpcTimeout(timeout: FiniteDuration, description:
String) {
+
+ /** Get the timeout duration */
+ def duration: FiniteDuration = timeout
+
+ /** Get the message associated with this timeout */
+ def message: String = description
+
+ /** Amends the standard message of TimeoutException to include the
description */
+ def createRpcTimeoutException(te: TimeoutException): RpcTimeoutException
= {
--- End diff --
`private`
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