[GitHub] [spark] felixcheung edited a comment on issue #24888: [SPARK-28040][SPARK-28070][R] Write type object s3

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felixcheung edited a comment on issue #24888: [SPARK-28040][SPARK-28070][R] Write type object s3
URL: https://github.com/apache/spark/pull/24888#issuecomment-505274555
 
 
   ~~i think it failed the session because of R version @HyukjinKwon ~~
   ```
   During startup - Warning message:
   In .First() :
     Support for R prior to version 3.4 is deprecated since Spark 3.0.0
   Loading required package: methods
   
   ```
   
   actually it might not be. not sure why it's failing to connect to JVM
   ```
   Failed to connect JVM
   1: sparkR.session(master = sparkRTestMaster, enableHiveSupport = FALSE, sparkConfig = sparkRTestConfig) at /home/jenkins/workspace/SparkPullRequestBuilder/R/lib/SparkR/tests/testthat/test_basic.R:25
   2: sparkR.sparkContext(master, appName, sparkHome, sparkConfigMap, sparkExecutorEnvMap, 
          sparkJars, sparkPackages)
   3: tryCatch({
          connectBackend("localhost", backendPort, timeout = connectionTimeout, authSecret = authSecret)
      }, error = function(err) {
          stop("Failed to connect JVM\n")
   ```

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