dzcxzl created SPARK-48218:
------------------------------
Summary: 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
{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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