日常处理粉丝提问的时候,加载测试数据及代码,很有趣的报错> library(rJava) Warning: Error in : package or namespace load failed for ‘qdap’: .onLoad failed in loadNamespace() for 'rJava', details: call: dyn.load(file, DLLpath = DLLpath, ...) error: unable to load shared object '/Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so': dlopen(/Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so, 6): Library not loaded: /Library/Java/JavaVirtualMachines/jdk-11.0.1.jdk/Contents/Home/lib/server/libjvm.dylib Referenced from: /Library/Frameworks/R.framework/Versions/3.5/Resources/library/rJava/libs/rJava.so Reason: image not found
轻轻松松就谷歌搜索到前辈的经历👇
很简单,按照最高票答案👇 
在我的mac终端输入:sudo R CMD javareconf 代码即可,但是二次报错如下: trying to compile and link a JNI program detected JNI cpp flags : -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/darwin detected JNI linker flags : -L/Users/jmzeng/Library/Java/Extensions -L/Library/Java/Extensions -L/Network/Library/Java/Extensions -L/System/Library/Java/Extensions -L/usr/lib/java -L. -ljvm xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun Unable to compile a JNI program 还是很明显,是xcrun问题,这个小毛病第十几次遇到了,每次更新macos系统都来一次,还是老规矩,使用代码;xcode-select --install 安装即可。
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