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https://issues.apache.org/jira/browse/SPARK-38056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17489591#comment-17489591
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Apache Spark commented on SPARK-38056:
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User 'kuwii' has created a pull request for this issue:
https://github.com/apache/spark/pull/35464
> Structured streaming not working in history server when using LevelDB
> ---------------------------------------------------------------------
>
> Key: SPARK-38056
> URL: https://issues.apache.org/jira/browse/SPARK-38056
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming, Web UI
> Affects Versions: 3.1.2, 3.2.0
> Reporter: wy
> Assignee: wy
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: local-1643373518829
>
>
> In
> [SPARK-31953|https://github.com/apache/spark/commit/4f9667035886a67e6c9a4e8fad2efa390e87ca68],
> structured streaming support is added to history server. However this does
> not work when spark.history.store.path is set to save app info using LevelDB.
> This is because one of the keys of StreamingQueryData, runId, is UUID type,
> which is not supported by LevelDB. When replaying event log file in history
> server, StreamingQueryStatusListener will throw an exception when writing
> info to the store, saying "java.lang.IllegalArgumentException: Type
> java.util.UUID not allowed as key.".
> Example event log is provided in attachments. When opening it in history
> server with spark.history.store.path set to somewhere, no structured
> streaming info is available.
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