29 results found

1. Unable to access Rstudio from Skills network lab

   I cannot access Rstudio. In my home screen, it only shows that Rstudio IDE is comming soon. Is it under maintenance?

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   46 votes

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2. I can't enter to RStudio IDE

   There is a message one I click to Rstudio IDE :
   " Because we can't tell which Skills Network learning site or partner you came from we are unable to take you to your lab."
   I need to complete my course please, fix this problem.

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   30 votes

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3. 502 Gateway error

   RStudio IDE is not working

   14 votes

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4. 500 internal server error

   Hello,
   I am trying to open RStudio and an internal server error occured. I think it's the same case for everybody now. Could you please tell me how can I recuperate my code. Should I contact the support team?
   It is really a big problem for me I am working on my graduation project.
   Hope it will be fixed soon

   12 votes

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5. where is the Rstudio page? I can'nt access it since 3/10/2020!!!!

   Where is the Rstudio page? I can'nt access it since 3/10/2020!!!!

   8 votes

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6. There is a message one I click to Rstudio IDE

   There is a message one I click to Rstudio IDE :
   " Because we can't tell which Skills Network learning site or partner you came from we are unable to take you to your lab."
   I need to complete my course please, fix this problem.

   7 votes

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7. Problem in Uploading CSV File: Shared Object 'readr.so' Not found

   I am facing error while uploading CSV file, please help with the subject error

   6 votes

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8. Rstudio cloud is showing 504 error
   4 votes

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9. Broken link to Rstudio IDE-error message below - the entire week! please fix ASAP!

   The webpage at https://rstudio.labs.cognitiveclass.ai/oauth_login?next=%2Fhub%2Fspawn%3Fstorage%3Dgluster might be temporarily down or it may have moved permanently to a new web address.

   4 votes

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10. Internal Server Error on Rstudio IDE

    I am trying to open Rstudio but it displays an internal server error. Working on my graduation project, so it would be great if it could get fixed early. What should my next steps be?

    P.S: LOVE THE DOG PICTURE

    4 votes

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11. Establishing a connection to dashDB using RODBC is not working.

    When trying to set up a connection to dashDB from the rstudio ide on DSX I get this error:

    [RODBC] ERROR: state IM002, code 0, message [unixODBC][Driver Manager]Data source name not found, and no default driver specified

    This is after filling out this:

    dsndriver <- "{IBM DB2 ODBC Driver}"
    dsndatabase <- "BLUDB" # e.g. "BLUDB"
    dsnhostname <- "<Enter Hostname>" # e.g.: "awh-yp-small03.services.dal.bluemix.net"
    dsnport <- "50000" # e.g. "50000"
    dsnprotocol <- "TCPIP" # i.e. "TCPIP"
    dsnuid <- "<Enter UserID>" # e.g. "dash104434"
    dsn_pwd <- "<Enter Password>" # e.g. "7dBZ39xN6$o0JiX!m"

    connpath <- paste("DRIVER=",dsndriver,
    ";DATABASE=",dsndatabase,
    ";HOSTNAME=",dsnhostname,
    ";PORT=",dsnport,
    ";PROTOCOL=",dsnprotocol,
    ";UID=",dsnuid,
    ";PWD=",dsnpwd,sep="")
    conn <- odbcDriverConnect(conn_path)
    conn

    So this code does not work for me.
    Is there anything I am missing here? I imported the RODBC library

    When trying to set up a connection to dashDB from the rstudio ide on DSX I get this error:

    [RODBC] ERROR: state IM002, code 0, message [unixODBC][Driver Manager]Data source name not found, and no default driver specified

    This is after filling out this:

    dsndriver <- "{IBM DB2 ODBC Driver}"
    dsndatabase <- "BLUDB" # e.g. "BLUDB"
    dsnhostname <- "<Enter Hostname>" # e.g.: "awh-yp-small03.services.dal.bluemix.net"
    dsnport <- "50000" # e.g. "50000"
    dsnprotocol <- "TCPIP" # i.e. "TCPIP"
    dsnuid <- "<Enter UserID>" # e.g. "dash104434"
    dsn_pwd <- "<Enter Password>" # e.g. "7dBZ39xN6$o0JiX!m"

    connpath <- paste("DRIVER=",dsndriver,
    ";DATABASE=",dsn… more

    4 votes

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12. I'd work to make sure RStudio works properly before adding anything else new.
    3 votes

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13. Solve user issues faster, answer tickets

    I've been incorrectly banned since Sept. 17 in a Cousera lab (Tools for Data Science).
    I've created 6 tickets so far. No contact from IBM, only the automatic "Thanks for the message, we'll get back to you as soon as possible!".
    I've tried also contacting Coursera, but they said that this is a IBM problem and that they can't do anything about it.
    It would be nice if IBM sends some times contacting those with problems, answering messages, tickets, and so on.
    And it would be VERY nice id they actually can SOLVE the problem

    2 votes

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14. I cannot install the Shiny pakage, see the warning below

    packages ‘shiny’, ‘leaflet’ are not available (for R version 3.6.3)

    2 votes

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15. Rstudio Files Deleted

    I am using IBM Developer Skills Network Rstudio. I uploaded some R files and Data files I would be using in the session and returned the next day to find that all the files no longer existed. Why is this the case?

    2 votes

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16. Error installing packages: UsingR

    install.packages('UsingR')
    Installing package into ‘/resources/common/R/Library’
    (as ‘lib’ is unspecified)
    also installing the dependency ‘Hmisc’
    ...
    gcc -std=gnu99 -shared -L/usr/lib/R/lib -Wl,-z,relro -o Hmisc.so Hmisc.o cidxcn.o cidxcp.o hoeffd.o init.o jacklins.o largrec.o mChoice.o maxempr.o nstr.o ranksort.o rcorr.o string_box.o wclosest.o -lgfortran -lm -lquadmath -L/usr/lib/R/lib -lR
    /usr/bin/ld: cannot find -lgfortran
    collect2: error: ld returned 1 exit status
    make: *** [/usr/share/R/share/make/shlib.mk:6: Hmisc.so] Error 1

    I noticed that /usr/lib/libgfortran.so is a broken symbolic link.

    rstudio@bc8a66fb9e33:/resources/rstudio$ ls -l /usr/lib/libgfortran.so
    lrwxrwxrwx 1 root root 42 Aug 2 21:38 /usr/lib/libgfortran.so -> /usr/lib/x86_64-linux-gnu/libgfortran.so.3
    rstudio@bc8a66fb9e33:/resources/rstudio$ ls -lH /usr/lib/libgfortran.so
    ls: cannot access '/usr/lib/libgfortran.so': No such file or directory

    rstudio@bc8a66fb9e33:/resources/rstudio$ ls -l /usr/lib/x8664-linux-gnu/libgfortran.so.*
    lrwxrwxrwx 1 root root 20 Jul 12 08:16 /usr/lib/x8664-linux-gnu/libgfortran.so.4 -> libgfortran.so.4.0.0
    -rw-r--r-- 1 root root 1919000 Jul 12 08:16 /usr/lib/x8664-linux-gnu/libgfortran.so.4.0.0
    lrwxrwxrwx 1 root root 20 Jul 26 11:28 /usr/lib/x8664-linux-gnu/libgfortran.so.5 -> libgfortran.so.5.0.0
    -rw-r--r-- 1 root root 2541880 Jul 26 11:28 /usr/lib/x86_64-linux-gnu/libgfortran.so.5.0.0

    install.packages('UsingR')
    Installing package into ‘/resources/common/R/Library’
    (as ‘lib’ is unspecified)
    also installing the dependency ‘Hmisc’
    ...
    gcc -std=gnu99 -shared -L/usr/lib/R/lib -Wl,-z,relro -o Hmisc.so Hmisc.o cidxcn.o cidxcp.o hoeffd.o init.o jacklins.o largrec.o mChoice.o maxempr.o nstr.o ranksort.o rcorr.o string_box.o wclosest.o -lgfortran -lm -lquadmath -L/usr/lib/R/lib -lR
    /usr/bin/ld: cannot find -lgfortran
    collect2: error: ld returned 1 exit status
    make: *** [/usr/share/R/share/make/shlib.mk:6: Hmisc.so] Error 1

    I noticed that /usr/lib/libgfortran.so is a broken symbolic link.

    rstudio@bc8a66fb9e33:/resources/rstudio$ ls -l /usr/lib/libgfortran.so
    lrwxrwxrwx 1 root root 42 Aug 2 21:38 /usr/lib/libgfortran.so -> /usr/lib/x86_64-linux-gnu/libgfortran.so.3
    rstudio@bc8a66fb9e33:/resources/rstudio$ ls -lH /usr/lib/libgfortran.so
    ls: cannot access '/usr/lib/libgfortran.so': No such file or directory

    rstudio@bc8a66fb9e33:/resources/rstudio$ ls -l /usr/lib/x8664-linux-gnu/libgfortran.so.*… more

    2 votes

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17. rJava package issue

    Recently i am unable to use the RWeka package in RStudio. It is because its related package rJava is not installing properly. This has happened quite recently. I investigated a bit and doubt if it has to do with mismatch of java versions in R and the JDK. Is it possible to update the Java with latest JDK 9? If you have any other solution in place, please let me know. At the moment, i am unable to use any package that has rJava package dependency. Appreciate your help in this

    2 votes

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18. problem with table function

    Error: class(objId) == "jobj" is not TRUE

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    2 votes

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19. Trying to use SparkR but createDataFrame(sqlContext, data) fails

    I get the following error:
    Error in invokeJava(isStatic = FALSE, objId$id, methodName, ...) :
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times, most recent failure: Lost task 0.0 in stage 0.0 (TID 0, localhost): java.lang.OutOfMemoryError: Java heap space
    at java.util.Arrays.copyOf(Arrays.java:3236)
    at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:118)
    at java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93)
    at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:153)
    at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877)
    at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1786)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1189)
    at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
    at org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:44)
    at org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerialize

    2 votes

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20. Upgrade Tensorflow 2

    Hi Support,

    Can you help to upgrade Tensorflow 2 in labs env?

    Thanks,

    1 vote

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