libjvm.so：无法打开共享对象文件：没有这样的文件或目录 [英] libjvm.so: cannot open shared object file: No such file or directory

问题描述

尝试使用此代码在我的14.10 ubuntu上的R上安装rJava包

Trying to install the rJava package on R, on my 14.10 ubuntu, using this code

if (!require(rJava)) install.packages('rJava')

获得与java相关的几个错误，包括jni问题，之后重新安装jdk，并尝试再次运行相同的代码，得到了该错误

got few errors related to java including jni problems, after reinstalling the jdk, and tried to run the same code again, got that error

Error : .onLoad failed in loadNamespace() for 'rJava', details:
  call: dyn.load(file, DLLpath = DLLpath, ...)
  error: unable to load shared object '/usr/local/lib/R/site-library/rJava/libs/rJava.so':
  libjvm.so: cannot open shared object file: No such file or directory
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/usr/local/lib/R/site-library/rJava’
Warning in install.packages :
  installation of package ‘rJava’ had non-zero exit status

The downloaded source packages are in
    ‘/tmp/RtmpfFjrp0/downloaded_packages’
Warning message:
In library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE,  :
  there is no package called ‘rJava’

寻找解决方案，找到几乎所有人建议（对于x64）执行这些命令

looked for solutions, to find just about everyone suggesting (for x64) to execute those commands

export LD_LIBRARY_PATH=/usr/lib/jvm/java-8-oracle/lib/amd64:/usr/lib/jvm/java-8-oracle/jre/lib/amd64/server
sudo R CMD javareconf 

但这不起作用，还有什么我可以做的吗？我将提供任何所需的详细信息

but that didn't work, is there anything else I can do? I will provide any needed details

推荐答案

当我尝试在RStudio中加载rJava时，我遇到了同样的错误。
以下解决方案适用于我

I was getting the same error when I was trying to load rJava in RStudio. The following solution worked for me

1) sudo rstudio-server stop
2) export LD_LIBRARY_PATH=/usr/lib/jvm/jre/lib/amd64:/usr/lib/jvm/jre/lib/amd64/default
3) sudo rstudio-server start

执行上述步骤后，我能够在RStudio中成功运行以下内容

After performing the above steps, I was able to run the following successfuly in RStudio

> library("DBI")
> library("rJava")
> library("RJDBC")

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