Oh, duh. I completely forgot that file:// is a prefix I can use. Up and
running now :)

Thank you so much!
Jenna

On Mon, Feb 26, 2018 at 1:00 PM, Yinan Li <liyinan...@gmail.com> wrote:

> OK, it looks like you will need to use 
> `file:///var/spark-data/spark-files/flights.csv`
> instead. The 'file://' scheme must be explicitly used as it seems it
> defaults to 'hdfs' in your setup.
>
> On Mon, Feb 26, 2018 at 12:57 PM, Jenna Hoole <jenna.ho...@gmail.com>
> wrote:
>
>> Thank you for the quick response! However, I'm still having problems.
>>
>> When I try to look for /var/spark-data/spark-files/flights.csv I get
>> told:
>>
>> Error: Error in loadDF : analysis error - Path does not exist: hdfs://
>> 192.168.0.1:8020/var/spark-data/spark-files/flights.csv;
>>
>> Execution halted
>>
>> Exception in thread "main" org.apache.spark.SparkUserAppException: User
>> application exited with 1
>>
>> at org.apache.spark.deploy.RRunner$.main(RRunner.scala:104)
>>
>> at org.apache.spark.deploy.RRunner.main(RRunner.scala)
>>
>> And when I try to look for local:///var/spark-data/spark-files/flights.csv,
>> I get:
>>
>> Error in file(file, "rt") : cannot open the connection
>>
>> Calls: read.csv -> read.table -> file
>>
>> In addition: Warning message:
>>
>> In file(file, "rt") :
>>
>>   cannot open file 'local:///var/spark-data/spark-files/flights.csv': No
>> such file or directory
>>
>> Execution halted
>>
>> Exception in thread "main" org.apache.spark.SparkUserAppException: User
>> application exited with 1
>>
>> at org.apache.spark.deploy.RRunner$.main(RRunner.scala:104)
>>
>> at org.apache.spark.deploy.RRunner.main(RRunner.scala)
>>
>> I can see from a kubectl describe that the directory is getting mounted.
>>
>>     Mounts:
>>
>>       /etc/hadoop/conf from hadoop-properties (rw)
>>
>>       /var/run/secrets/kubernetes.io/serviceaccount from
>> spark-token-pxz79 (ro)
>>
>>       /var/spark-data/spark-files from download-files (rw)
>>
>>       /var/spark-data/spark-jars from download-jars-volume (rw)
>>
>>       /var/spark/tmp from spark-local-dir-0-tmp (rw)
>>
>> Is there something else I need to be doing in my set up?
>>
>> Thanks,
>> Jenna
>>
>> On Mon, Feb 26, 2018 at 12:02 PM, Yinan Li <liyinan...@gmail.com> wrote:
>>
>>> The files specified through --files are localized by the init-container
>>> to /var/spark-data/spark-files by default. So in your case, the file should
>>> be located at /var/spark-data/spark-files/flights.csv locally in the
>>> container.
>>>
>>> On Mon, Feb 26, 2018 at 10:51 AM, Jenna Hoole <jenna.ho...@gmail.com>
>>> wrote:
>>>
>>>> This is probably stupid user error, but I can't for the life of me
>>>> figure out how to access the files that are staged by the init-container.
>>>>
>>>> I'm trying to run the SparkR example data-manipulation.R which requires
>>>> the path to its datafile. I supply the hdfs location via --files and then
>>>> the full hdfs path.
>>>>
>>>>
>>>> --files hdfs://192.168.0.1:8020/user/jhoole/flights.csv
>>>> local:///opt/spark/examples/src/main/r/data-manipulation.R hdfs://
>>>> 192.168.0.1:8020/user/jhoole/flights.csv
>>>>
>>>> The init-container seems to load my file.
>>>>
>>>> 18/02/26 18:29:09 INFO spark.SparkContext: Added file hdfs://
>>>> 192.168.0.1:8020/user/jhoole/flights.csv at hdfs://
>>>> 192.168.0.1:8020/user/jhoole/flights.csv with timestamp 1519669749519
>>>>
>>>> 18/02/26 18:29:09 INFO util.Utils: Fetching hdfs://
>>>> 192.168.0.1:8020/user/jhoole/flights.csv to
>>>> /var/spark/tmp/spark-d943dae6-9b95-4df0-87a3-9f7978d6d4d2/us
>>>> erFiles-4112b7aa-b9e7-47a9-bcbc-7f7a01f93e38/fetchFileTemp78
>>>> 72615076522023165.tmp
>>>>
>>>> However, I get an error that my file does not exist.
>>>>
>>>> Error in file(file, "rt") : cannot open the connection
>>>>
>>>> Calls: read.csv -> read.table -> file
>>>>
>>>> In addition: Warning message:
>>>>
>>>> In file(file, "rt") :
>>>>
>>>>   cannot open file 'hdfs://192.168.0.1:8020/user/jhoole/flights.csv':
>>>> No such file or directory
>>>>
>>>> Execution halted
>>>>
>>>> Exception in thread "main" org.apache.spark.SparkUserAppException:
>>>> User application exited with 1
>>>>
>>>> at org.apache.spark.deploy.RRunner$.main(RRunner.scala:104)
>>>>
>>>> at org.apache.spark.deploy.RRunner.main(RRunner.scala)
>>>>
>>>> If I try supplying just flights.csv, I get a different error
>>>>
>>>> --files hdfs://192.168.0.1:8020/user/jhoole/flights.csv
>>>> local:///opt/spark/examples/src/main/r/data-manipulation.R flights.csv
>>>>
>>>> Error: Error in loadDF : analysis error - Path does not exist: hdfs://
>>>> 192.168.0.1:8020/user/root/flights.csv;
>>>>
>>>> Execution halted
>>>>
>>>> Exception in thread "main" org.apache.spark.SparkUserAppException:
>>>> User application exited with 1
>>>>
>>>> at org.apache.spark.deploy.RRunner$.main(RRunner.scala:104)
>>>>
>>>> at org.apache.spark.deploy.RRunner.main(RRunner.scala)
>>>>
>>>> If the path /user/root/flights.csv does exist and I only supply
>>>> "flights.csv" as the file path, it runs to completion successfully.
>>>> However, if I provide the file path as "hdfs://192.168.0.1:8020/user/
>>>> root/flights.csv," I get the same "No such file or directory" error as
>>>> I do initially.
>>>>
>>>> Since I obviously can't put all my hdfs files under /user/root, how do
>>>> I get it to use the file that the init-container is fetching?
>>>>
>>>> Thanks,
>>>> Jenna
>>>>
>>>
>>>
>>
>

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