无法加载rJava，因为无法加载共享库

问题描述

我一直在努力在R中加载rJava包。

I have been struggling to load the rJava package in R.

我收到以下消息

> library(rJava)
Error in inDL(x, as.logical(local), as.logical(now), ...) :
  unable to load shared library \
     'C:/PROGRA~1/R/R-210~1.1/library/rJava/libs/rJava.dll':
  LoadLibrary failure:  The specified module could not be found.


Error : .onLoad failed in 'loadNamespace' for 'rJava'
Error: package/namespace load failed for 'rJava'

我已经尝试过这么多解决方案，他们都在脑海里琢磨。
在某些时候我甚至得到了

I have tried so many solutions that they are all bamboozeled in my head.At some point I even got

> R Console: Rgui.exe - System Error The
> program can't start because
> MSVCR71.dll is is missing from your
> computer. Try reinstalling the program
> to fix this problem.

我确保我能想到的一切都在路上

I made sure everything I could think of was on the path

> C:\Program Files\R\Rtools\bin;C:\Program Files\R\Rtools\perl\bin;
  C:\Program Files\R\Rtools\MinGW\bin;%SystemRoot%\system32;
  %SystemRoot%;%SystemRoot%\System32\Wbem;
  %SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;
  C:\Program Files\QuickTime\QTSystem\;
  C:\Program Files\R\R-2.10.1\library\rJava\libs\;
  C:\Program Files\R;C:\Program Files\Java\jre6\bin\client

我接下来应该尝试什么？

What should I try next?

我正在运行R版本2.10.1（2009-12-14）我有还尝试了R版本2.10.1 Patched（2010-03-03 r51210）。它是在Windows机器上运行Windows 7企业

I am running R version 2.10.1 (2009-12-14) and I have also tried R version 2.10.1 Patched (2010-03-03 r51210). It is on a Windows machine running windows 7 enterprise

推荐答案

跟进Dirk的一些圣人建议：

Following up on some of Dirk's sage advice:

• 您的路径应该说 C：\Program Files\Java\jre6\bin\ （删除客户）。


• 您的路径也应该有 C：\Program Files \ R \ R-2.10.1 \bin \ 。您不需要对rJava库的显式引用。然后我还会从路径中删除 C：\Program Files \ R 。


• 最后，确认Java可以通过要么转到命令提示符并输入 java -version ，要么输入 system（java -version）。


• 如果您安装了SDK，那么您还需要一个系统变量 JAVA_HOME 在我的情况下指向 C：\ Sun \ SDK \ 。

• Your path should probably say C:\Program Files\Java\jre6\bin\ (remove "client").
• Your path should also have C:\Program Files\R\R-2.10.1\bin\. You don't need that explicit reference to the rJava libs. I would also then remove C:\Program Files\R from the path.
• Lastly, confirm that Java is accessible by either going to your command prompt and typing java -version, or from within R by typing system("java -version").
• If you install the SDK, then you will also want a system variable JAVA_HOME which in my case points to C:\Sun\SDK\.

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