Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/3770#discussion_r113413839
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/JobVertex.java ---
@@ -50,7 +50,14 @@
/** The ID of the vertex. */
private final JobVertexID id;
- private final ArrayList<JobVertexID> idAlternatives = new ArrayList<>();
+ /** The alternative IDs of the vertex. */
+ private final ArrayList<OperatorID> idAlternatives = new ArrayList<>();
--- End diff --
From the comments, this looks incorrect and I would expect a
`List<JobVertexID>`here
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