Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/6222#discussion_r199170250
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobSubmitHandler.java
---
@@ -66,6 +67,9 @@ public JobSubmitHandler(
}
return gateway.submitJob(jobGraph, timeout)
- .thenApply(ack -> new JobSubmitResponseBody("/jobs/" +
jobGraph.getJobID()));
+ .thenApply(ack -> new JobSubmitResponseBody("/jobs/" +
jobGraph.getJobID()))
+ .exceptionally(exception -> {
+ throw new CompletionException(new
RestHandlerException("Job submission failed.",
HttpResponseStatus.INTERNAL_SERVER_ERROR, exception));
--- End diff --
Maybe we could add the `exception.getMessage` to the `message` of the
`RestHandlerException`. Otherwise the user will only see `"Job submission
failed."` in the `ErrorResponseBody`. With the change it could be `"Job
submission failed: Failure cause"`
---