Hi, Good day. Does any one know how to install Rserve 1.8.6 in MacOS, latest Rserve for macos is only with 1.7.3.1 ? I having issue with the R3.5.3 and KNIME 3.7.1 where my R node show “R evaluation failed” at KNIME. Error: ERROR: Could not execute internal command.ERROR: R evaluation failed.: "sapply(ls(),function(a)class(get(a,envir=globalenv()))[1])"ERROR: R evaluation failed.: "sapply(ls(),function(a)class(get(a,envir=globalenv()))[1])"ERROR: eval failed Regards, Ed

Hi mlauber71, Thanks for the update and info. It do help a lots to resolve this problem. After read lots of post including the ref link you provided, here are the step i do to resolve this Rserve 1.8.6 issue on mac. Here are my steps to Install Rserve1.8.6 in my mac: Remove old clang, gfortran in my usr/local and usr/local/bin Reinstall latest Xcode, clang and gfortran. Check gcc and install, make sure all dependency install: brew install gcc [gcc] Install macOS_SDK_headers_for_macOS_10.14.pkg [sdk] Make change on Makeconf file: “/Library/Frameworks/R.framework/Resources/etc/Makeconf” Change CXX = g++ instead of clang++ [makeconf] Re-install Rserve package again: install.packages(‘Rserve’,“ http://rforge.net/",type="source ”) Here is my Rserve with working R node in KNIME: [rserve] [knime] Cheers and have a good day, Ed

R Node Problems on macOS for R version 3.5.3 with KNIME 3.7.1

KNIME Extensions

mlauber71 April 25, 2019, 4:37am 2

There is a blog entry where I try to address this problem:

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