Wei-Chiu Chuang created SPARK-18867:
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Summary: Throw cause if IsolatedClientLoad can't create client
Key: SPARK-18867
URL: https://issues.apache.org/jira/browse/SPARK-18867
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.0.0, 1.6.0
Environment: RStudio 1.0.44 + SparkR (Spark 2.0.2)
Reporter: Wei-Chiu Chuang
Priority: Minor
If IsolatedClientLoader can't instantiate a class object, it throws
{{InvocationTargetException}}. But the caller doesn't need to know this
exception. Instead, it should throw the exception that causes the
{{InvocationTargetException}}, so that the caller may be able to handle it.
This exception is reproducible if I run the following code snippet in two
RStudio consoles without cleaning sessions. (This is a RStudio issue after all
but in general it may be exhibited in other ways)
{code}
Sys.setenv(SPARK_HOME="/Users/weichiu/Downloads/spark-2.0.2-bin-hadoop2.7")
library(SparkR, lib.loc = c(file.path(Sys.getenv("SPARK_HOME"), "R", "lib")))
sparkR.session(master = "local[*]", sparkConfig = list(spark.driver.memory =
"2g"))
df <- as.DataFrame(faithful)
sql("CREATE TABLE IF NOT EXISTS src (key INT, value STRING)")
{code}
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