---
From: Shivaram Venkataraman [mailto:shiva...@eecs.berkeley.edu]
Sent: Thursday, December 10, 2015 8:21 AM
To: Chris Freeman
Cc: dev@spark.apache.org
Subject: Re: Specifying Scala types when calling methods from SparkR
The SparkR callJMethod can only invoke methods as they show up in the Java byte
co
...@alteryx.com]
Sent: Friday, December 11, 2015 2:47 AM
To: Sun, Rui; shiva...@eecs.berkeley.edu
Cc: dev@spark.apache.org
Subject: RE: Specifying Scala types when calling methods from SparkR
Hi Sun Rui,
I’ve had some luck simply using “objectFile” when saving from SparkR directly.
The problem is that if you
riginal Message-
From: Shivaram Venkataraman [mailto:shiva...@eecs.berkeley.edu]
Sent: Thursday, December 10, 2015 8:21 AM
To: Chris Freeman
Cc: dev@spark.apache.org
Subject: Re: Specifying Scala types when calling methods from SparkR
The SparkR callJMethod can only invoke methods as they show
The SparkR callJMethod can only invoke methods as they show up in the
Java byte code. So in this case you'll need to check the SparkContext
byte code (with javap or something like that) to see how that method
looks. My guess is the type is passed in as a class tag argument, so
you'll need to do
