相关疑难解决方法(0)

如何判断我的应用程序运行的JVM是32位还是64位？具体来说,我可以访问什么功能或偏好来在程序中检测到这个？

我正在尝试rJava在Win 7 64位的计算机上安装.我跑的时候

install.packages("rJava")

一切似乎都很好:

Installing package(s) into ‘C:/Users/djq/Documents/R/win-library/2.13’
(as ‘lib’ is unspecified)
trying URL 'http://software.rc.fas.harvard.edu/mirrors/R/bin/windows/contrib/2.13/rJava_0.9-1.zip'
Content type 'application/zip' length 654936 bytes (639 Kb)
opened URL
downloaded 639 Kb

package 'rJava' successfully unpacked and MD5 sums checked

The downloaded packages are in
    C:\TEMP\RtmpW2eAUw\downloaded_packages

但是当我尝试加载库时,library(rJava)我收到以下错误:

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/me/Documents/R/win-library/2.13/rJava/libs/x64/rJava.dll':
  LoadLibrary failure:  %1 is not a valid Win32 application.

Error: package/namespace …