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From "Nikolay Izhikov (Jira)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-11724) IgniteSpark integration forget to close the IgniteContext and stops the client node in case if error during PairFunction logic
Date Fri, 18 Oct 2019 13:10:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-11724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16954588#comment-16954588
] 

Nikolay Izhikov commented on IGNITE-11724:
------------------------------------------

Hello [~aealeksandrov], [~zaleslaw]

I don't understand what the issue here.
 Ignite instance close on {{IgniteContext#close}}.

Why do you think we should close it on the exception in {{savePairs}}?

> IgniteSpark integration forget to close the IgniteContext and stops the client node in
case if error during PairFunction logic 
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-11724
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11724
>             Project: Ignite
>          Issue Type: Bug
>          Components: spark
>    Affects Versions: 2.8
>            Reporter: Andrey Aleksandrov
>            Assignee: Alexey Zinoviev
>            Priority: Major
>              Labels: await
>             Fix For: 2.8
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Next code could hang in case if PairFunction logic will throw the exception:
> {code:java}
> JavaPairRDD<Key, Value> rdd_records = records.mapToPair(new MapFunction());
> JavaIgniteContext<Key, Value> igniteContext = new JavaIgniteContext<>(sparkCtx,
configUrl);
> JavaIgniteRDD<Key, Value> igniteRdd = igniteContext.<Key, Value>fromCache(cacheName);
> igniteRdd.savePairs(rdd_records);
> Looks like next internal code (saveValues method)should also close the IgniteContext
in case of an unexpected exception, not only data streamer:
> try {
>      it.foreach(value ⇒
> {          val key = affinityKeyFunc(value, node.orNull)           streamer.addData(key,
value)        }
> )
>      }
>      finally
> {         streamer.close()     }
> })
>  }
> {code}



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