Installing XLConnect package


Installing XLConnect package



I was wanting to install XLConnect package so that i could save my databses created from RSQLite in different formats. But when i do


install.packages("XLConnect")



it seems to give error


checking whether Java run-time works... ./configure: line 3747: /usr/lib/jvm/default-java/bin/java: No such file or directory
no
configure: error: Java interpreter '/usr/lib/jvm/default-java/bin/java' does not work
ERROR: configuration failed for package ‘rJava’
* removing ‘/home/mrshekar/R/x86_64-pc-linux-gnu-library/3.4/rJava’
Warning in install.packages :
installation of package ‘rJava’ had non-zero exit status
ERROR: dependency ‘rJava’ is not available for package ‘XLConnectJars’
* removing ‘/home/mrshekar/R/x86_64-pc-linux-gnu-library/3.4/XLConnectJars’
Warning in install.packages :
installation of package ‘XLConnectJars’ had non-zero exit status
ERROR: dependencies ‘XLConnectJars’, ‘rJava’ are not available for package ‘XLConnect’
* removing ‘/home/mrshekar/R/x86_64-pc-linux-gnu-library/3.4/XLConnect’
Warning in install.packages :
installation of package ‘XLConnect’ had non-zero exit status



Now i read on R: rJava package install failing about the


export JAVA_HOME=/usr/lib/jvm/java-6-sun/jre
export PATH=$PATH:$JAVA_HOME/bin



but still the problem seeems to persist. Also if you look at the solution on Error of java path on loading rJava package


sudo R CMD javareconf



It gives the error


*** JAVA_HOME is not a valid path, ignoring

*** Cannot find any Java interpreter
*** Please make sure 'java' is on your PATH or set JAVA_HOME correspondingly



Also for the install JDK answer


apt-get install r-cran-rjava



I get the permission denied error even if i do it on vm-virtual box it gives me permission denied for the ubuntu 18.04 version i have installed and made myself the admin.


E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?



What should i do? Please help.





The best practice with rJava seems to be avoid using this annoying package wherever possible. switching R versions to or from 32/64 bit in global options sometimes works. Alternatively could you use a non Java connection package like odbc instead?
– Shinobi_Atobe
Jun 29 at 9:44


odbc





can i save the databases i create using the dbConnect as .csv or other formats using odbc? @Shinobi_Atobe
– mrigank shekhar
Jun 29 at 9:57





yes, you can use tools from the DBI package: i.e df <- dbGetQuery(connection, "select * from xxxx")
– Shinobi_Atobe
Jun 29 at 10:17



DBI


df <- dbGetQuery(connection, "select * from xxxx")









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