In this example, I’ll explain how to solve the problems when trying load an R package due to rJava.įor this, you have to download and install the 64-bit version of Java on this page: Download Java 64-bit version for Windows. ERROR: configuration failed for package ‘rJava’ removing ‘/lib64/Revo-7.3/R-3.1. If in doubt, re-run 'R CMD javareconf' as root. Hence, it is necessary to manually install the 64-bit version.Įxample 2: Fixing the Error: JAVA_HOME cannot be determined from the Registry removing ‘/lib64/Revo-7.3/R-3.1.1/lib64/R/library/RHive’ Solution: Install rJava Problems: Make sure you have Java Development Kit installed and correctly registered in R. Note that the Java download page suggests the 32-bit version by default. You may have installed a 32-bit version of Java or you might not have installed Java at all.
The reason for this usually is that you are using a 64-bit version of R, but not a 64-bit version of Java. So why does the error message “JAVA_HOME cannot be determined from the Registry” occur when we are trying to install the rJava package? R tries to install the rJava package as well, when we are installing the xlsx package. However, this problem does not occur because of the xlsx package, but because of the rJava package. # Failed with error: 'package 'rJava' could not be loaded'Īs you can see, the error “JAVA_HOME cannot be determined from the Registry” was returned to the RStudio console after installing and loading the xlsx package. # error: JAVA_HOME cannot be determined from the Registry onLoad failed in loadNamespace() for 'rJava', details: Install.packages("xlsx") # Install & load xlsx onLoad failed in loadNamespace() for 'rJava', details: # call: fun(libname, pkgname) # error: JAVA_HOME cannot be determined from the Registry # Failed with error: 'package 'rJava' could not be loaded' Library ( "xlsx" ) # Loading required package: xlsx # Loading required package: xlsxjars # Loading required package: rJava # Error.
packages ( "xlsx" ) # Install & load xlsx
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