[SPARK-14265] Get attempId of stage and transfer it to web #12059
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What changes were proposed in this pull request?
if a stage is failed and attempt to start again, DAG visualization does not render correctly for this stage. Because in spark-dag-viz.js, the link of stage is ("#stage-" + stageId + "-" + attemptId), and the value of attemptId is 0 . So I think the attemptId of stage sholike this: stageopening spark web, the attemptId of stage should be transfer to web, and make the link of ("#stage-" + stageId + "-" + attemptId) is correct.
How was this patch tested?
Please test as fellow. Run spark app, and kill executor to make stage reSubmitted. Then check DAG visualization in web.