Attila Zsolt Piros created SPARK-39473:
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Summary: NullPointerException in SparkRackResolver
Key: SPARK-39473
URL: https://issues.apache.org/jira/browse/SPARK-39473
Project: Spark
Issue Type: Improvement
Components: YARN
Affects Versions: 3.2.1, 3.2.0, 3.1.2, 3.1.1, 3.1.0, 3.0.3, 3.0.2, 3.0.1,
3.0.0, 2.4.8
Reporter: Attila Zsolt Piros
Assignee: Attila Zsolt Piros
When the underlying DNSToSwitchMapping's resolver returns a null we get a
NullPointerException:
{noformat}
22/05/24 08:12:12 980 ERROR DAGSchedulerEventProcessLoop:
DAGSchedulerEventProcessLoop failed; shutting down SparkContext
java.lang.NullPointerException
at
scala.collection.convert.Wrappers$JListWrapper.isEmpty(Wrappers.scala:87)
at
org.apache.spark.deploy.yarn.SparkRackResolver.coreResolve(SparkRackResolver.scala:76)
{noformat}
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