Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5116#discussion_r28473217
--- Diff:
core/src/main/scala/org/apache/spark/deploy/rest/StandaloneRestClient.scala ---
@@ -293,6 +355,17 @@ private[deploy] class StandaloneRestClient extends
Logging {
private def handleUnexpectedRestResponse(unexpected:
SubmitRestProtocolResponse): Unit = {
logError(s"Error: Server responded with message of unexpected type
${unexpected.messageType}.")
}
+
+ /**
+ * When a connection exception was caught, we see whether all masters
are lost.
--- End diff --
```
/**
* When a connection exception is caught, return true if all masters are
lost.
* Note that the heuristic used here does not take into account that masters
* can recover during the lifetime of this client. This assumption should be
* harmless because this client currently does not support retrying
submission
* on failure yet (SPARK-6443).
*/
```
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