xiangqiao123 commented on a change in pull request #18023:
URL: https://github.com/apache/flink/pull/18023#discussion_r769298509
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionJobVertex.java
##########
@@ -307,13 +323,21 @@ public JobVertexID getJobVertexId() {
@Override
public ExecutionVertex[] getTaskVertices() {
+ if (taskVertices == null) {
+ LOG.warn(
+ "Trying to get execution vertices of an uninitialized job
vertex "
+ + getJobVertexId());
+ return new ExecutionVertex[0];
+ }
return taskVertices;
}
public IntermediateResult[] getProducedDataSets() {
+ checkState(isInitialized());
return producedDataSets;
}
+ @Nullable
public InputSplitAssigner getSplitAssigner() {
return splitAssigner;
Review comment:
Why not use checkState(isInitialized()); to check whether
ExecutionJobVertex is initialized?
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