java - Why do I get "JNI_GetCreatedJavaVMs returned -1" error while loading the xlsx package in R? -
i downloaded xlsx package in r, can't use library. (on mac)
> library(xlsx) javavm: requested java version ((null)) not available. using java @ "" instead. javavm: failed load jvm: /bundle/libraries/libserver.dylib javavm fatal: failed load jvm library. error : .onload failed in loadnamespace() 'xlsx', details: call: .jinit() error: jni_getcreatedjavavms returned -1 error: package or namespace load failed ‘xlsx’
what doing wrong?
make sure have installed dependencies:
- xlsxjars
- rjava
and, of course, if not work, verify have java jdk installed in mac: javac -version
if not, install here: https://java.com/en/download/faq/java_mac.xml
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