WweiL commented on code in PR #40937: URL: https://github.com/apache/spark/pull/40937#discussion_r1177124740
########## connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala: ########## @@ -2092,6 +2097,11 @@ class SparkConnectPlanner(val session: SparkSession) { case path => writer.start(path) } + // Register the new query so that the session and query references are cached. + SparkConnectService.streamingSessionManager.registerNewStreamingQuery( Review Comment: If the query throws before this line (basically in query creation, which is common I believe, for example wrong config is set, then IllegalArgumentException would be thrown [example](https://github.com/apache/spark/blob/b26844ce879ac0097d6e1a95da18a5c3ef3c9284/connector/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaSourceProvider.scala#L227-L268)). What would happen? My guess is that the user could see the error as it's handled by existing error-handling framework in SparkConnectService. But when they try to access the query, the `orElse` below would be triggered: ``` val query = SparkConnectService.streamingSessionManager .findCachedQuery(id, session) // Common case: query is cached in connect session manager. .orElse { // Else try to find it in active streams. Mostly will not be found here. Option(session.streams.get(id)) ``` And that'd still return a query ID not found exception? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org