Hi,

We are running a Spark Standalone cluster on EMR (note: not using YARN) and
are trying to use S3 w/ EmrFS as our event logging directory.

We are having difficulties with a ClassNotFoundException on EmrFileSystem
when we navigate to the event log screen. This is to be expected as the
EmrFs jars are not on the classpath.

But -- I have not been able to figure out a way to add additional classpath
jars to the start-up of the Master daemon. SPARK_CLASSPATH has been
deprecated, and looking around at spark-class, etc.. everything seems to be
pretty locked down.

Do I have to shove everything into the assembly jar?

Am I missing a simple way to add classpath to the daemons?

thanks,
Michal

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