[jira] [Updated] (SPARK-6834) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name
[
https://issues.apache.org/jira/browse/SPARK-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hyukjin Kwon updated SPARK-6834:
Labels: bulk-closed (was: )
> Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to
> use zero-length variable name
> ---
>
> Key: SPARK-6834
> URL: https://issues.apache.org/jira/browse/SPARK-6834
> Project: Spark
> Issue Type: Bug
> Components: SparkR
>Affects Versions: 1.4.0
>Reporter: Shivaram Venkataraman
>Priority: Major
> Labels: bulk-closed
>
> Context: trying to interface SparkR with foreach. Foreach is an abstraction
> over several parallel backends. This would enable execution on spark cluster
> of > 50 R packages including very popular caret and plyr. Simple foreach
> examples work. caret unfortunately does not.
> I have a repro but it is somewhat complex (it is the main example of model
> fitting in caret on their website though, not something made on purpose to
> make SparkR fail). If I find anything more straightforward, I will comment
> here. Reproduced in an R --vanilla session, but I can uninstall all of my
> packages, so I may have missed some deps.
> Reproduce with:
> install.packages(c("caret", "foreach", "devtools", "mlbench", "gbm",
> "survival", "splines"))
> library(caret)
> library(foreach)
> library(devtools)
> install_github("RevolutionAnalytics/doParallelSpark", subdir = "pkg")
> library(doParallelSpark)
> registerDoParallelSpark()
> library(mlbench)
> data(Sonar)
> set.seed(998)
> inTraining <- createDataPartition(Sonar$Class, p = .75, list = FALSE)
> training <- Sonar[ inTraining,]
> testing <- Sonar[-inTraining,]
> fitControl <- trainControl(## 10-fold CV
> method = "repeatedcv",
> number = 10,
> ## repeated ten times
> repeats = 10)
> set.seed(825)
> gbmFit1 <- train(Class ~ ., data = training,
> method = "gbm",
> trControl = fitControl,
> ## This last option is actually one
> ## for gbm() that passes through
> verbose = FALSE)
> Stack trace
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> 15/03/26 14:32:30 ERROR Executor: Exception in task 0.0 in stage 3.0 (TID 5)
> org.apache.spark.SparkException: R computation failed with
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:177)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 15/03/26 14:32:30 WARN TaskSetManager: Lost task 0.0 in stage 3.0 (TID 5,
> localhost): org.apache.spark.SparkException: R computation failed with
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>
[jira] [Updated] (SPARK-6834) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name
[
https://issues.apache.org/jira/browse/SPARK-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shivaram Venkataraman updated SPARK-6834:
-
Target Version/s: (was: 1.6.0)
> Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to
> use zero-length variable name
> ---
>
> Key: SPARK-6834
> URL: https://issues.apache.org/jira/browse/SPARK-6834
> Project: Spark
> Issue Type: Bug
> Components: SparkR
>Affects Versions: 1.4.0
>Reporter: Shivaram Venkataraman
>
> Context: trying to interface SparkR with foreach. Foreach is an abstraction
> over several parallel backends. This would enable execution on spark cluster
> of > 50 R packages including very popular caret and plyr. Simple foreach
> examples work. caret unfortunately does not.
> I have a repro but it is somewhat complex (it is the main example of model
> fitting in caret on their website though, not something made on purpose to
> make SparkR fail). If I find anything more straightforward, I will comment
> here. Reproduced in an R --vanilla session, but I can uninstall all of my
> packages, so I may have missed some deps.
> Reproduce with:
> install.packages(c("caret", "foreach", "devtools", "mlbench", "gbm",
> "survival", "splines"))
> library(caret)
> library(foreach)
> library(devtools)
> install_github("RevolutionAnalytics/doParallelSpark", subdir = "pkg")
> library(doParallelSpark)
> registerDoParallelSpark()
> library(mlbench)
> data(Sonar)
> set.seed(998)
> inTraining <- createDataPartition(Sonar$Class, p = .75, list = FALSE)
> training <- Sonar[ inTraining,]
> testing <- Sonar[-inTraining,]
> fitControl <- trainControl(## 10-fold CV
> method = "repeatedcv",
> number = 10,
> ## repeated ten times
> repeats = 10)
> set.seed(825)
> gbmFit1 <- train(Class ~ ., data = training,
> method = "gbm",
> trControl = fitControl,
> ## This last option is actually one
> ## for gbm() that passes through
> verbose = FALSE)
> Stack trace
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> 15/03/26 14:32:30 ERROR Executor: Exception in task 0.0 in stage 3.0 (TID 5)
> org.apache.spark.SparkException: R computation failed with
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:177)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 15/03/26 14:32:30 WARN TaskSetManager: Lost task 0.0 in stage 3.0 (TID 5,
> localhost): org.apache.spark.SparkException: R computation failed with
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
[jira] [Updated] (SPARK-6834) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name
[
https://issues.apache.org/jira/browse/SPARK-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sean Owen updated SPARK-6834:
-
Target Version/s: 1.6.0 (was: 1.5.1, 1.6.0)
> Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to
> use zero-length variable name
> ---
>
> Key: SPARK-6834
> URL: https://issues.apache.org/jira/browse/SPARK-6834
> Project: Spark
> Issue Type: Bug
> Components: SparkR
>Affects Versions: 1.4.0
>Reporter: Shivaram Venkataraman
>
> Context: trying to interface SparkR with foreach. Foreach is an abstraction
> over several parallel backends. This would enable execution on spark cluster
> of > 50 R packages including very popular caret and plyr. Simple foreach
> examples work. caret unfortunately does not.
> I have a repro but it is somewhat complex (it is the main example of model
> fitting in caret on their website though, not something made on purpose to
> make SparkR fail). If I find anything more straightforward, I will comment
> here. Reproduced in an R --vanilla session, but I can uninstall all of my
> packages, so I may have missed some deps.
> Reproduce with:
> install.packages(c("caret", "foreach", "devtools", "mlbench", "gbm",
> "survival", "splines"))
> library(caret)
> library(foreach)
> library(devtools)
> install_github("RevolutionAnalytics/doParallelSpark", subdir = "pkg")
> library(doParallelSpark)
> registerDoParallelSpark()
> library(mlbench)
> data(Sonar)
> set.seed(998)
> inTraining <- createDataPartition(Sonar$Class, p = .75, list = FALSE)
> training <- Sonar[ inTraining,]
> testing <- Sonar[-inTraining,]
> fitControl <- trainControl(## 10-fold CV
> method = "repeatedcv",
> number = 10,
> ## repeated ten times
> repeats = 10)
> set.seed(825)
> gbmFit1 <- train(Class ~ ., data = training,
> method = "gbm",
> trControl = fitControl,
> ## This last option is actually one
> ## for gbm() that passes through
> verbose = FALSE)
> Stack trace
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> 15/03/26 14:32:30 ERROR Executor: Exception in task 0.0 in stage 3.0 (TID 5)
> org.apache.spark.SparkException: R computation failed with
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:177)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 15/03/26 14:32:30 WARN TaskSetManager: Lost task 0.0 in stage 3.0 (TID 5,
> localhost): org.apache.spark.SparkException: R computation failed with
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Failed with error: ‘invalid package name’
> Error in as.name(name) : attempt to use zero-length variable name
> Calls: source ... withVisible -> eval -> eval -> getNamespace -> as.name
> Execution halted
> edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>
[jira] [Updated] (SPARK-6834) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name
[ https://issues.apache.org/jira/browse/SPARK-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shivaram Venkataraman updated SPARK-6834: - Target Version/s: 1.6.0, 1.5.1 (was: 1.5.0) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name --- Key: SPARK-6834 URL: https://issues.apache.org/jira/browse/SPARK-6834 Project: Spark Issue Type: Bug Components: SparkR Affects Versions: 1.4.0 Reporter: Shivaram Venkataraman Context: trying to interface SparkR with foreach. Foreach is an abstraction over several parallel backends. This would enable execution on spark cluster of 50 R packages including very popular caret and plyr. Simple foreach examples work. caret unfortunately does not. I have a repro but it is somewhat complex (it is the main example of model fitting in caret on their website though, not something made on purpose to make SparkR fail). If I find anything more straightforward, I will comment here. Reproduced in an R --vanilla session, but I can uninstall all of my packages, so I may have missed some deps. Reproduce with: install.packages(c(caret, foreach, devtools, mlbench, gbm, survival, splines)) library(caret) library(foreach) library(devtools) install_github(RevolutionAnalytics/doParallelSpark, subdir = pkg) library(doParallelSpark) registerDoParallelSpark() library(mlbench) data(Sonar) set.seed(998) inTraining - createDataPartition(Sonar$Class, p = .75, list = FALSE) training - Sonar[ inTraining,] testing - Sonar[-inTraining,] fitControl - trainControl(## 10-fold CV method = repeatedcv, number = 10, ## repeated ten times repeats = 10) set.seed(825) gbmFit1 - train(Class ~ ., data = training, method = gbm, trControl = fitControl, ## This last option is actually one ## for gbm() that passes through verbose = FALSE) Stack trace Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name Calls: source ... withVisible - eval - eval - getNamespace - as.name Execution halted 15/03/26 14:32:30 ERROR Executor: Exception in task 0.0 in stage 3.0 (TID 5) org.apache.spark.SparkException: R computation failed with Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name Calls: source ... withVisible - eval - eval - getNamespace - as.name Execution halted at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) at org.apache.spark.rdd.RDD.iterator(RDD.scala:229) at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) at org.apache.spark.rdd.RDD.iterator(RDD.scala:229) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) at org.apache.spark.scheduler.Task.run(Task.scala:54) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:177) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 15/03/26 14:32:30 WARN TaskSetManager: Lost task 0.0 in stage 3.0 (TID 5, localhost): org.apache.spark.SparkException: R computation failed with Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name Calls: source ... withVisible - eval - eval - getNamespace - as.name Execution halted edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80) org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) org.apache.spark.rdd.RDD.iterator(RDD.scala:229) edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32) org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) org.apache.spark.rdd.RDD.iterator(RDD.scala:229) org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
[jira] [Updated] (SPARK-6834) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name
[ https://issues.apache.org/jira/browse/SPARK-6834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shivaram Venkataraman updated SPARK-6834: - Target Version/s: 1.5.0 (was: 1.4.0) Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name --- Key: SPARK-6834 URL: https://issues.apache.org/jira/browse/SPARK-6834 Project: Spark Issue Type: Bug Components: SparkR Affects Versions: 1.4.0 Reporter: Shivaram Venkataraman Context: trying to interface SparkR with foreach. Foreach is an abstraction over several parallel backends. This would enable execution on spark cluster of 50 R packages including very popular caret and plyr. Simple foreach examples work. caret unfortunately does not. I have a repro but it is somewhat complex (it is the main example of model fitting in caret on their website though, not something made on purpose to make SparkR fail). If I find anything more straightforward, I will comment here. Reproduced in an R --vanilla session, but I can uninstall all of my packages, so I may have missed some deps. Reproduce with: install.packages(c(caret, foreach, devtools, mlbench, gbm, survival, splines)) library(caret) library(foreach) library(devtools) install_github(RevolutionAnalytics/doParallelSpark, subdir = pkg) library(doParallelSpark) registerDoParallelSpark() library(mlbench) data(Sonar) set.seed(998) inTraining - createDataPartition(Sonar$Class, p = .75, list = FALSE) training - Sonar[ inTraining,] testing - Sonar[-inTraining,] fitControl - trainControl(## 10-fold CV method = repeatedcv, number = 10, ## repeated ten times repeats = 10) set.seed(825) gbmFit1 - train(Class ~ ., data = training, method = gbm, trControl = fitControl, ## This last option is actually one ## for gbm() that passes through verbose = FALSE) Stack trace Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name Calls: source ... withVisible - eval - eval - getNamespace - as.name Execution halted 15/03/26 14:32:30 ERROR Executor: Exception in task 0.0 in stage 3.0 (TID 5) org.apache.spark.SparkException: R computation failed with Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name Calls: source ... withVisible - eval - eval - getNamespace - as.name Execution halted at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) at org.apache.spark.rdd.RDD.iterator(RDD.scala:229) at edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) at org.apache.spark.rdd.RDD.iterator(RDD.scala:229) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) at org.apache.spark.scheduler.Task.run(Task.scala:54) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:177) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 15/03/26 14:32:30 WARN TaskSetManager: Lost task 0.0 in stage 3.0 (TID 5, localhost): org.apache.spark.SparkException: R computation failed with Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Failed with error: ‘invalid package name’ Error in as.name(name) : attempt to use zero-length variable name Calls: source ... withVisible - eval - eval - getNamespace - as.name Execution halted edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:80) org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) org.apache.spark.rdd.RDD.iterator(RDD.scala:229) edu.berkeley.cs.amplab.sparkr.BaseRRDD.compute(RRDD.scala:32) org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) org.apache.spark.rdd.RDD.iterator(RDD.scala:229) org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
