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https://issues.apache.org/jira/browse/SPARK-4783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492346#comment-14492346
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Sean Owen commented on SPARK-4783:
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I have a PR ready, but am testing it. I am seeing test failures but am not sure
if they're related. You are also welcome to go ahead with a PR if you think you
have a handle on it and I can chime in with what I know.
> System.exit() calls in SparkContext disrupt applications embedding Spark
> ------------------------------------------------------------------------
>
> Key: SPARK-4783
> URL: https://issues.apache.org/jira/browse/SPARK-4783
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Reporter: David Semeria
>
> A common architectural choice for integrating Spark within a larger
> application is to employ a gateway to handle Spark jobs. The gateway is a
> server which contains one or more long-running sparkcontexts.
> A typical server is created with the following pseudo code:
> var continue = true
> while (continue){
> try {
> server.run()
> } catch (e) {
> continue = log_and_examine_error(e)
> }
> The problem is that sparkcontext frequently calls System.exit when it
> encounters a problem which means the server can only be re-spawned at the
> process level, which is much more messy than the simple code above.
> Therefore, I believe it makes sense to replace all System.exit calls in
> sparkcontext with the throwing of a fatal error.
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