[
https://issues.apache.org/jira/browse/SPARK-13525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15445686#comment-15445686
]
Arihanth Jain edited comment on SPARK-13525 at 8/29/16 12:21 PM:
-----------------------------------------------------------------
I followed this and it fails to create the debug file, which does not seem to
have reached daemon.R as reported earlier by other user.
On the other hand, i repeated the run using 'spark.sparkr.r.command=/path
to/Rscript' and see a different trace as below:
16/08/29 13:38:49 INFO TaskSetManager: Starting task 0.0 in stage 1.0 (TID 1,
mastertuconti.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:49 INFO BlockManagerInfo: Added broadcast_1_piece0 in memory on
mastertuconti.jiffybox.net:44974 (size: 5.7 KB, free: 1247.2 MB)
16/08/29 13:38:50 WARN TaskSetManager: Lost task 0.0 in stage 1.0 (TID 1,
mastertuconti.jiffybox.net): java.io.IOException: Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at org.apache.spark.api.r.RRDD$.createRProcess(RRDD.scala:413)
at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:429)
at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:63)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
at org.apache.spark.scheduler.Task.run(Task.scala:89)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: error=13, Permission denied
at java.lang.UNIXProcess.forkAndExec(Native Method)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:248)
at java.lang.ProcessImpl.start(ProcessImpl.java:134)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
... 33 more
16/08/29 13:38:50 INFO TaskSetManager: Starting task 0.1 in stage 1.0 (TID 2,
mastert.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:50 INFO TaskSetManager: Lost task 0.1 in stage 1.0 (TID 2) on
executor mastert.jiffybox.net: java.io.IOException (Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied) [duplicate 1]
16/08/29 13:38:50 INFO TaskSetManager: Starting task 0.2 in stage 1.0 (TID 3,
mastert.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:50 INFO TaskSetManager: Lost task 0.2 in stage 1.0 (TID 3) on
executor mastert.jiffybox.net: java.io.IOException (Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied) [duplicate 2]
16/08/29 13:38:50 INFO TaskSetManager: Starting task 0.3 in stage 1.0 (TID 4,
mastert.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:50 INFO TaskSetManager: Lost task 0.3 in stage 1.0 (TID 4) on
executor mastert.jiffybox.net: java.io.IOException (Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied) [duplicate 3]
16/08/29 13:38:50 ERROR TaskSetManager: Task 0 in stage 1.0 failed 4 times;
aborting job
16/08/29 13:38:50 INFO YarnScheduler: Removed TaskSet 1.0, whose tasks have all
completed, from pool
16/08/29 13:38:50 INFO YarnScheduler: Cancelling stage 1
16/08/29 13:38:50 INFO DAGScheduler: ShuffleMapStage 1 (countByValue at
StringIndexer.scala:86) failed in 1.286 s
16/08/29 13:38:50 INFO DAGScheduler: Job 1 failed: countByValue at
StringIndexer.scala:86, took 1.357049 s
16/08/29 13:38:50 ERROR RBackendHandler: fitRModelFormula on
org.apache.spark.ml.api.r.SparkRWrappers failed
Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in
stage 1.0 failed 4 times, most recent failure: Lost task 0.3 in stage 1.0 (TID
4, mastert.jiffybox.net): java.io.IOException: Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at org.apache.spark.api.r.RRDD$.createRProcess(RRDD.scala:413)
at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:429)
at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:63)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
------------------
The Rscript dir has permissions set using chmod.
Before, I remember facing a similar permission denied error:
ERROR RBackendHandler: createSparkContext on org.apache.spark.api.r.RRDD failed
Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
org.apache.hadoop.security.AccessControlException: Permission denied:
user=user_name, access=WRITE,
inode="/user/user_name/.sparkStaging/application_1469923186017_0001":root:hdfs:drwxr-xr-x
which was solved by:
- sudo su - hdfs
- hdfs dfs -mkdir /user/user_name
- hdfs dfs -chown user_name:hdfs /user/user_name
- exit
sudo -u hdfs hadoop fs -chmod 777 /user/spark
sudo -u spark hadoop fs -chmod 777 /user/spark/applicationHistory
Any thoughts on this ?
was (Author: arihant...@gmail.com):
I followed this and it fails to create the debug file, which does not seem to
have reached daemon.R as reported earlier by other user.
On the other hand, i repeated the run using 'spark.sparkr.r.command=/path
to/Rscript' and see a different trace as below:
16/08/29 13:38:49 INFO TaskSetManager: Starting task 0.0 in stage 1.0 (TID 1,
mastertuconti.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:49 INFO BlockManagerInfo: Added broadcast_1_piece0 in memory on
mastertuconti.jiffybox.net:44974 (size: 5.7 KB, free: 1247.2 MB)
16/08/29 13:38:50 WARN TaskSetManager: Lost task 0.0 in stage 1.0 (TID 1,
mastertuconti.jiffybox.net): java.io.IOException: Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at org.apache.spark.api.r.RRDD$.createRProcess(RRDD.scala:413)
at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:429)
at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:63)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
at org.apache.spark.scheduler.Task.run(Task.scala:89)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: error=13, Permission denied
at java.lang.UNIXProcess.forkAndExec(Native Method)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:248)
at java.lang.ProcessImpl.start(ProcessImpl.java:134)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
... 33 more
16/08/29 13:38:50 INFO TaskSetManager: Starting task 0.1 in stage 1.0 (TID 2,
mastert.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:50 INFO TaskSetManager: Lost task 0.1 in stage 1.0 (TID 2) on
executor mastert.jiffybox.net: java.io.IOException (Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied) [duplicate 1]
16/08/29 13:38:50 INFO TaskSetManager: Starting task 0.2 in stage 1.0 (TID 3,
mastert.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:50 INFO TaskSetManager: Lost task 0.2 in stage 1.0 (TID 3) on
executor mastert.jiffybox.net: java.io.IOException (Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied) [duplicate 2]
16/08/29 13:38:50 INFO TaskSetManager: Starting task 0.3 in stage 1.0 (TID 4,
mastert.jiffybox.net, partition 0,PROCESS_LOCAL, 16535 bytes)
16/08/29 13:38:50 INFO TaskSetManager: Lost task 0.3 in stage 1.0 (TID 4) on
executor mastert.jiffybox.net: java.io.IOException (Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied) [duplicate 3]
16/08/29 13:38:50 ERROR TaskSetManager: Task 0 in stage 1.0 failed 4 times;
aborting job
16/08/29 13:38:50 INFO YarnScheduler: Removed TaskSet 1.0, whose tasks have all
completed, from pool
16/08/29 13:38:50 INFO YarnScheduler: Cancelling stage 1
16/08/29 13:38:50 INFO DAGScheduler: ShuffleMapStage 1 (countByValue at
StringIndexer.scala:86) failed in 1.286 s
16/08/29 13:38:50 INFO DAGScheduler: Job 1 failed: countByValue at
StringIndexer.scala:86, took 1.357049 s
16/08/29 13:38:50 ERROR RBackendHandler: fitRModelFormula on
org.apache.spark.ml.api.r.SparkRWrappers failed
Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in
stage 1.0 failed 4 times, most recent failure: Lost task 0.3 in stage 1.0 (TID
4, mastert.jiffybox.net): java.io.IOException: Cannot run program
"/usr/lib64/R/bin/": error=13, Permission denied
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at org.apache.spark.api.r.RRDD$.createRProcess(RRDD.scala:413)
at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:429)
at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:63)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
------------------
The Rscript dir has permissions set using chmod.
Before, I remember facing a similar permission denied error:
ERROR RBackendHandler: createSparkContext on org.apache.spark.api.r.RRDD failed
Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
org.apache.hadoop.security.AccessControlException: Permission denied:
user=user_name, access=WRITE,
inode="/user/user_name/.sparkStaging/application_1469923186017_0001":root:hdfs:drwxr-xr-x
which was solved by:
- sudo su - hdfs
- hdfs dfs -mkdir /user/user_name
- hdfs dfs -chown user_name:hdfs /user/user_name
- exit
sudo -u hdfs hadoop fs -chmod 777 /user/spark
sudo -u spark hadoop fs -chmod 777 /user/spark/applicationHistory
But in this case chmod is a shell command and not an executable as it is a
java.io.IOException.
Any thoughts on this ?
> SparkR: java.net.SocketTimeoutException: Accept timed out when running any
> dataframe function
> ---------------------------------------------------------------------------------------------
>
> Key: SPARK-13525
> URL: https://issues.apache.org/jira/browse/SPARK-13525
> Project: Spark
> Issue Type: Bug
> Components: SparkR
> Reporter: Shubhanshu Mishra
> Labels: sparkr
>
> I am following the code steps from this example:
> https://spark.apache.org/docs/1.6.0/sparkr.html
> There are multiple issues:
> 1. The head and summary and filter methods are not overridden by spark. Hence
> I need to call them using `SparkR::` namespace.
> 2. When I try to execute the following, I get errors:
> {code}
> $> $R_HOME/bin/R
> R version 3.2.3 (2015-12-10) -- "Wooden Christmas-Tree"
> Copyright (C) 2015 The R Foundation for Statistical Computing
> Platform: x86_64-pc-linux-gnu (64-bit)
> R is free software and comes with ABSOLUTELY NO WARRANTY.
> You are welcome to redistribute it under certain conditions.
> Type 'license()' or 'licence()' for distribution details.
> Natural language support but running in an English locale
> R is a collaborative project with many contributors.
> Type 'contributors()' for more information and
> 'citation()' on how to cite R or R packages in publications.
> Type 'demo()' for some demos, 'help()' for on-line help, or
> 'help.start()' for an HTML browser interface to help.
> Type 'q()' to quit R.
> Welcome at Fri Feb 26 16:19:35 2016
> Attaching package: ‘SparkR’
> The following objects are masked from ‘package:base’:
> colnames, colnames<-, drop, intersect, rank, rbind, sample, subset,
> summary, transform
> Launching java with spark-submit command
> /content/smishra8/SOFTWARE/spark/bin/spark-submit --driver-memory "50g"
> sparkr-shell /tmp/RtmpfBQRg6/backend_portc3bc16f09b1b
> > df <- createDataFrame(sqlContext, iris)
> Warning messages:
> 1: In FUN(X[[i]], ...) :
> Use Sepal_Length instead of Sepal.Length as column name
> 2: In FUN(X[[i]], ...) :
> Use Sepal_Width instead of Sepal.Width as column name
> 3: In FUN(X[[i]], ...) :
> Use Petal_Length instead of Petal.Length as column name
> 4: In FUN(X[[i]], ...) :
> Use Petal_Width instead of Petal.Width as column name
> > training <- filter(df, df$Species != "setosa")
> Error in filter(df, df$Species != "setosa") :
> no method for coercing this S4 class to a vector
> > training <- SparkR::filter(df, df$Species != "setosa")
> > model <- SparkR::glm(Species ~ Sepal_Length + Sepal_Width, data = training,
> > family = "binomial")
> 16/02/26 16:26:46 ERROR Executor: Exception in task 0.0 in stage 1.0 (TID 1)
> java.net.SocketTimeoutException: Accept timed out
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)
> at java.net.ServerSocket.implAccept(ServerSocket.java:530)
> at java.net.ServerSocket.accept(ServerSocket.java:498)
> at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:431)
> at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:62)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:77)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:45)
> at org.apache.spark.scheduler.Task.run(Task.scala:81)
> at
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 16/02/26 16:26:46 ERROR TaskSetManager: Task 0 in stage 1.0 failed 1 times;
> aborting job
> 16/02/26 16:26:46 ERROR RBackendHandler: fitRModelFormula on
> org.apache.spark.ml.api.r.SparkRWrappers failed
> Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
> org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
> in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 1.0
> (TID 1, localhost): java.net.SocketTimeoutException: Accept timed out
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)
> at java.net.ServerSocket.implAccept(ServerSocket.java:530)
> at java.net.ServerSocket.accept(ServerSocket.java:498)
> at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:431)
> at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:62)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> >
> {code}
> Even, when I try to run the head command on the dataframe, I get similar
> error:
> {code}
> > SparkR::head(df)
> 16/02/26 16:32:05 ERROR Executor: Exception in task 0.0 in stage 3.0 (TID 2)
> java.net.SocketTimeoutException: Accept timed out
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)
> at java.net.ServerSocket.implAccept(ServerSocket.java:530)
> at java.net.ServerSocket.accept(ServerSocket.java:498)
> at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:431)
> at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:62)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:69)
> at org.apache.spark.scheduler.Task.run(Task.scala:81)
> at
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 16/02/26 16:32:05 ERROR TaskSetManager: Task 0 in stage 3.0 failed 1 times;
> aborting job
> 16/02/26 16:32:05 ERROR RBackendHandler: dfToCols on
> org.apache.spark.sql.api.r.SQLUtils failed
> Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
> org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
> in stage 3.0 failed 1 times, most recent failure: Lost task 0.0 in stage 3.0
> (TID 2, localhost): java.net.SocketTimeoutException: Accept timed out
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)
> at java.net.ServerSocket.implAccept(ServerSocket.java:530)
> at java.net.ServerSocket.accept(ServerSocket.java:498)
> at org.apache.spark.api.r.RRDD$.createRWorker(RRDD.scala:431)
> at org.apache.spark.api.r.BaseRRDD.compute(RRDD.scala:62)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
> {code}
> I have a .Rprofile file in my directory which looks like the following:
> {code:title=.Rprofile|borderStyle=solid}
> # Sample Rprofile.site file
> # Things you might want to change
> .First <- function(){
> cat("\nWelcome at", date(), "\n")
> SPARK_HOME <- "/content/user/SOFTWARE/spark"
> .libPaths(c(file.path(SPARK_HOME, "R", "lib"), .libPaths()))
> library(SparkR)
> sc <<- sparkR.init(master="local[20]", appName="Model SparkR",
> sparkHome=SPARK_HOME,
> sparkEnvir=list(spark.local.dir="./tmp",
> spark.executor.memory="50g",
> spark.driver.maxResultSize="50g",
> spark.driver.memory="50g"))
> sqlContext <<- sparkRSQL.init(sc)
> }
> .Last <- function(){
> cat("\nGoodbye at ", date(), "\n")
> }
> {code}
> I am using the master branch of Spark since the following commit:
> {code}
> commit 35316cb0b744bef9bcb390411ddc321167f953be
> Author: Yu ISHIKAWA <yuu.ishik...@gmail.com>
> Date: Thu Feb 25 13:29:10 2016 -0800
> {code}
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