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https://issues.apache.org/jira/browse/SPARK-48218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun resolved SPARK-48218.
-----------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 46506
[https://github.com/apache/spark/pull/46506]
> TransportClientFactory.createClient may NPE cause FetchFailedException
> ----------------------------------------------------------------------
>
> Key: SPARK-48218
> URL: https://issues.apache.org/jira/browse/SPARK-48218
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle
> Affects Versions: 4.0.0
> Reporter: dzcxzl
> Assignee: dzcxzl
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> {code:java}
> org.apache.spark.shuffle.FetchFailedException
> at
> org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:1180)
> at
> org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:913)
> at
> org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:84)
> at
> org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)
> Caused by: java.lang.NullPointerException
> at
> org.apache.spark.network.client.TransportClientFactory.createClient(TransportClientFactory.java:178)
> at
> org.apache.spark.network.shuffle.ExternalBlockStoreClient.lambda$fetchBlocks$0(ExternalBlockStoreClient.java:128)
> at
> org.apache.spark.network.shuffle.RetryingBlockTransferor.transferAllOutstanding(RetryingBlockTransferor.java:154)
> at
> org.apache.spark.network.shuffle.RetryingBlockTransferor.start(RetryingBlockTransferor.java:133)
> at
> org.apache.spark.network.shuffle.ExternalBlockStoreClient.fetchBlocks(ExternalBlockStoreClient.java:139)
> {code}
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