I have the following questions:
For the "rjava" package, it has been sussessful installation, but when i try to update package "xlsx". some errors were happened:
- installing source package 'xlsx' ...
** package 'xlsx' successfully unpacked and MD5 sums checked
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
converting help for package 'xlsx'
finding HTML links ... done
Alignment html
Border html
Cell html
CellProtection html
CellStyle-plus html
CellStyle html
Comment html
DataFormat html
Fill html
Font html
NamedRanges html
OtherEffects html
POI_constants html
Picture html
PrintSetup html
Row html
Sheet html
Workbook html
addDataFrame html
addHyperlink html
read.xlsx html
readColumns html
write.xlsx html
Rd warning: C:/Users/Ngo Hung/AppData/Local/Temp/RtmpYdCtcr/R.INSTALL15444ef639bf/xlsx/man/write.xlsx.Rd:38: file link 'write.csv' in package 'utils' does not exist and so has been treated as a topic
xlsx-package html
** building package indices
** testing if installed package can be loaded
*** arch - i386
Error : package 'rJava' is not installed for 'arch = i386'
Error: loading failed
Execution halted
*** arch - x64
Error: package or namespace load failed for 'xlsx':
.onAttach failed in attachNamespace() for 'xlsx', details:
call: .jnew("org/apache/poi/xssf/usermodel/XSSFWorkbook")
error: java.lang.ClassNotFoundException
Error: loading failed
Execution halted
ERROR: loading failed for 'i386', 'x64' - removing 'C:/Users/Ngo Hung/Documents/R/win-library/3.5/xlsx'
In R CMD INSTALL
Please help me correct this case.