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https://issues.apache.org/jira/browse/SPARK-38579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuming Wang resolved SPARK-38579.
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Fix Version/s: 3.3.0
3.2.2
3.1.3
Resolution: Fixed
Issue resolved by pull request 35884
[https://github.com/apache/spark/pull/35884]
> Requesting Restful API can cause NullPointerException
> -----------------------------------------------------
>
> Key: SPARK-38579
> URL: https://issues.apache.org/jira/browse/SPARK-38579
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Affects Versions: 3.1.0, 3.1.1, 3.1.2, 3.2.0, 3.2.1
> Reporter: Yimin Yang
> Assignee: Yimin Yang
> Priority: Major
> Fix For: 3.3.0, 3.2.2, 3.1.3
>
>
> When requesting Restful API
> \{baseURL}/api/v1/applications/$appId/sql/$executionId which is introduced by
> this PR [https://github.com/apache/spark/pull/28208,] it can cause
> NullPointerException. The root cause is, when calling method doUpdate() of
> `LiveExecutionData`, `metricsValues` can be null. Then, when statement
> `printableMetrics(graph.allNodes, exec.metricValues)` is executed, it will
> throw NullPointerException.
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