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https://issues.apache.org/jira/browse/SPARK-18867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15749893#comment-15749893
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Apache Spark commented on SPARK-18867:
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User 'jojochuang' has created a pull request for this issue:
https://github.com/apache/spark/pull/16285
> 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: 1.6.0, 2.0.0
> 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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