hong dongdong created SPARK-28657:
-------------------------------------
Summary: Fix currentContext Instance failed sometimes
Key: SPARK-28657
URL: https://issues.apache.org/jira/browse/SPARK-28657
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.0.0
Environment: When run spark on yarn, I got
"""
java.lang.ClassCastException: org.apache.hadoop.ipc.CallerContext$Builder
cannot be cast to scala.runtime.Nothing$
"""
!image-2019-08-08-17-39-19-552.png!
Reporter: hong dongdong
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