John created SPARK-23982:
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Summary: NoSuchMethodException: There is no startCredentialUpdater
method in the object YarnSparkHadoopUtil
Key: SPARK-23982
URL: https://issues.apache.org/jira/browse/SPARK-23982
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.3.0
Reporter: John
In the 219 line of the CoarseGrainedExecutorBackend class：
Utils.classForName("org.apache.spark.deploy.yarn.YarnSparkHadoopUtil").getMethod("startCredentialUpdater",
classOf[SparkConf]).invoke(null, driverConf)
But, There is no startCredentialUpdater method in the object
YarnSparkHadoopUtil.
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