Github user KurtYoung commented on a diff in the pull request: https://github.com/apache/flink/pull/2550#discussion_r80874290 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobMaster.java --- @@ -467,6 +487,128 @@ public void registerAtResourceManager(final String address) { //TODO:: register at the RM } + @RpcMethod + public NextInputSplit requestNextInputSplit(final JobVertexID vertexID, final ExecutionAttemptID executionAttempt) { --- End diff -- Thanks for your comments @tillrohrmann . It all sounds reasonable to me. Limit the rpc error within one specified Exception is a good idea, thus user can easily know what went wrong. One minor suggestion, may be we should create a base class `RpcException`, and make something like `RpcConnectionException`, `RpcExecutionException` and `RpcTimeoutException` to inherit from that, to make a better more clear. This can be done in another jira, though.
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