[R-pkg-devel] rJava (broken installation?)

[Gábor Csárdi]

Make sure you quit from all R sessions before you reinstall rJava, and
also that it is not loaded in the current session.

You can also run tools::checkMD5sums("rJava") to check the MD5 sums.

Gabor

On Tue, Oct 13, 2020 at 4:55 PM Helmut Schütz <helmut.schuetz using bebac.at> wrote:
>
> Dear all,
>
> in one of my packages I import from package xlsx, which itself imports
> rJava.
> I have the current Java (jre1.8.0_261) installed:
>     JAVA_VERSION="1.8.0_261"
>     OS_NAME="Windows"
>     OS_VERSION="5.2"
>     OS_ARCH="amd64"
>
> However:
>     devtools::session_info("rJava")
>     - Session info
> ---------------------------------------------------------------
>      setting  value
>      version  R version 4.0.3 (2020-10-10)
>      os       Windows 7 x64 SP 1
>      system   x86_64, mingw32
>      ui       Rgui
>      language EN
>      collate  German_Germany.1252
>      ctype    German_Germany.1252
>      tz       Europe/Vienna
>      date     2020-10-13
>
>     - Packages
> -------------------------------------------------------------------
>      ! package * version date       lib source
>      D rJava     0.9-13  2020-07-06 [1] CRAN (R 4.0.2)
>
>     [1] D:/Program Files/R/R-4.0.3/library
>
>      D -- DLL MD5 mismatch, broken installation.
>
> I found only this:
> https://community.rstudio.com/t/error-dll-md5-mismatch-broken-installation/64141
> with no answer.
>
> Deleted rJava from my library and made a new install, no avail.
>
> The functions I need from xlsx work as intended but I'm worried a bit.
>
> Helmut
>
> --
> Ing. Helmut Schütz
> BEBAC – Consultancy Services for
> Bioequivalence and Bioavailability Studies
> Neubaugasse 36/11
> 1070 Vienna, Austria
> E helmut.schuetz using bebac.at
> W https://bebac.at/
> F https://forum.bebac.at/
>
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