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https://issues.apache.org/jira/browse/SPARK-2463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064474#comment-14064474
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Tathagata Das commented on SPARK-2463:
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Yeah, as a first step, we should detect that some is trying to create/start
another StreamingContext using the same SparkContext, and throw an error.
Maybe I should file a separate JIRA for that.
TD
> Creating multiple StreamingContexts from shell generates duplicate Streaming
> tabs in UI
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-2463
> URL: https://issues.apache.org/jira/browse/SPARK-2463
> Project: Spark
> Issue Type: Bug
> Components: Streaming, Web UI
> Affects Versions: 1.0.1
> Reporter: Nicholas Chammas
>
> Start a {{StreamingContext}} from the interactive shell and then stop it. Go
> to {{http://master_url:4040/streaming/}} and you will see a tab in the UI for
> Streaming.
> Now from the same shell, create and start a new {{StreamingContext}}. There
> will now be a duplicate tab for Streaming in the UI. Repeating this process
> generates additional Streaming tabs.
> They all link to the same information.
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