Kevin Grealish created SPARK-16744:
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Summary: spark.yarn.appMasterEnv handling assumes values should be
appended
Key: SPARK-16744
URL: https://issues.apache.org/jira/browse/SPARK-16744
Project: Spark
Issue Type: Bug
Components: YARN
Affects Versions: 2.0.0, 1.6.2, 1.6.1, 1.6.0
Environment: YARN
Reporter: Kevin Grealish
When processing environment variables set via the conf setting
spark.yarn.appMasterEnv.*, if there is an existing value the new value is
appended assuming it is a CLASSPATH like value. This does not work for most
environment variables, for example PYSPARK_PYTHON.
Related:
https://issues.apache.org/jira/browse/MAPREDUCE-6491
https://issues.apache.org/jira/browse/SPARK-16110
https://github.com/apache/spark/pull/13824
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