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.schu...@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.schu...@bebac.at > W https://bebac.at/ > F https://forum.bebac.at/ > > ______________________________________________ > R-package-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-package-devel ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel