cannot load R package 'tm.plugin.webmining' - r

I'm using x64 windows 7 and R i386 3.1.1
I installed 'tm.plugin.webmining' package. but when I load this package using
library(tm.plugin.webming)
flowing error occure:
Error : .onLoad is failed at loadNamespace() because of 'rJava':
Call: inDL(x, as.logical(local), as.logical(now), ...)
Error: Cannot load 'C:/Program Files/R/R-3.1.1/library/rJava/libs/i386/rJava.dll':
LoadLibrary failure: Cannot find the module.
I already installed latest jvm. But it doesn't work.

try setting the Java_Home path on R
Sys.setenv(JAVA_HOME="path/java/home")
ie
Sys.setenv(JAVA_HOME=C:/Program Files/Java/jdk1.8.0_05/bin")

Related

qdap, rJava load failed

I have successfully installed all the libraries but below error is not going away
I have tried 3 JDK java-se-8u41-ri ; openjdk11 ; openjdk8 and below error keeps coming, when I open in R-Studio it works but not whe i try to make exe using electron, please advise
stderr:Error: package or namespace load failed for 'qdap':
.onLoad failed in loadNamespace() for 'rJava', details:
call: inDL(x, as.logical(local), as.logical(now), ...)
error: unable to load shared object 'C:/Users//R-Portable-Win/library/rJava/libs/x64/rJava.dll':
LoadLibrary failure: %1 is not a valid Win32 application.

Error: package or namespace load failed for ‘raster’ in inDL(x, as.logical(local), as.logical(now), ...):

While i am trying to load library Raster i am getting error as follow:
Error: package or namespace load failed for ‘raster’ in inDL(x, as.logical(local), as.logical(now), ...):
unable to load shared object 'C:/Users/A132054/OneDrive/Documents/R/win-library/4.0/Rcpp/libs/x64/Rcpp.dll':
LoadLibrary failure: The specified procedure could not be found.
In addition: Warning message:
package ‘raster’ was built under R version 4.0.2
It was working fine earlier and other system as well.
I would reinstall raster after first reinstalling the packages it uses.
install.packages(c("Rcpp", "rgdal", "sp", "terra", "raster"))
It would be even better to first install R 4.0.2

Error : package 'rJava' could not be loaded but library(rJava) is working

I've 64 bit machine and have installed jdk and jre(64 bit) also R and R studio is 64bit. I'm trying to install 'rMongodb' package by:
devtools::install_github("tc/RMongo")
but it gives out error
Error: package or namespace load failed for 'rJava':
.onLoad failed in loadNamespace() for 'rJava', details:
call: inDL(x, as.logical(local), as.logical(now), ...)
error: unable to load shared object 'C:/Users/saini/OneDrive/Documents/R/win-library/3.5/rJava/libs/i386/rJava.dll':
LoadLibrary failure: %1 is not a valid Win32 application.
Error : package 'rJava' could not be loaded
Error: loading failed
Execution halted
*** arch - x64
Warning: package 'rJava' was built under R version 3.5.2
ERROR: loading failed for 'i386'
* removing 'C:/Users/saini/OneDrive/Documents/R/win-library/3.5/RMongo'
In R CMD INSTALL
Error in i.p(...) :
(converted from warning) installation of package ‘C:/Users/saini/AppData/Local/Temp/RtmpuEHfqO/file20f419985c01/RMongo_0.1.0.tar.gz’ had non-zero exit status
Even though library(rJava) works fine.
Ps. I've already set the environment variables.

Problem in installing 'RMongo' throws rJava error even though library(rJava) works fine

install.packages("RMongo")
doesn't works (seems like it has been deprecated.
So, I was trying to install using devtools.
devtools::install_github("tc/Rmongo")
but it gives out error
Error: package or namespace load failed for 'rJava':
.onLoad failed in loadNamespace() for 'rJava', details:
call: inDL(x, as.logical(local), as.logical(now), ...)
error: unable to load shared object 'C:/Users/saini/OneDrive/Documents/R/win-library/3.5/rJava/libs/i386/rJava.dll':
LoadLibrary failure: %1 is not a valid Win32 application.
Error : package 'rJava' could not be loaded
Error: loading failed
Execution halted
*** arch - x64
Warning: package 'rJava' was built under R version 3.5.2
ERROR: loading failed for 'i386'
* removing 'C:/Users/saini/OneDrive/Documents/R/win-library/3.5/RMongo'
In R CMD INSTALL
Error in i.p(...) :
(converted from warning) installation of package ‘C:/Users/saini/AppData/Local/Temp/RtmpuEHfqO/file20f419985c01/RMongo_0.1.0.tar.gz’ had non-zero exit status
Even though library(rJava) works fine.
JDK, JRE are both 64 bit. R and R studio are also 64 bits.
Someone suggested to use
R CMD javareconf
but it doesnot recongnises javareconf.
Also, I've set Environment Variables.

RWeka - J48 Function In R 3.3.0

I am working on a churn project and came across a J48 tree function. The asked packages were RWeka and party. But when I am loading library(RWeka), I am getting an error
Error : .onLoad failed in loadNamespace() for 'rJava', details:
call: inDL(x, as.logical(local), as.logical(now), ...)
error: unable to load shared object 'C:/Users/joe.main/Documents/R/win-library/3.3/rJava/libs/i386/rJava.dll':
LoadLibrary failure: The specified module could not be found.
In addition: Warning message:
package ‘RWeka’ was built under R version 3.3.1
Error: package or namespace load failed for ‘RWeka’
Any workaround for this issue?
It was an issue of JAVA_HOME> It worked once I removed it from the Path in Environmental Variables

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