RStudio Session Aborted - RDCOMClient

RStudio IDE
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1

Hi guys, I'm wondering if this is an issue with the new version of RStudio. I'm using Version 1.2.5033.

The following code is simply opening a Excel workbook using the classic RDCOMClient package, which I've installed using:

devtools::install_github('omegahat/RDCOMClient')

The problem code:

path <- "C:/MyFile.xlsx"
ex = COMCreate("Excel.Application")
book = ex$Workbooks()$Open(path) # RSTUDIO CRASHES HERE

I can create the 'ex' object no problem. The problem is RStudio aborts at the Workbooks()$Open command. I've tried a few different file locations, file sizes and restarting my R Session, but they all seem to cause an immediate crash of RStudio, giving the usual message "R Session Aborted. R encountered a fatal error. The session was terminated.'

However, the above code works fine in a previous version of RStudio (Version 1.1.456). Is the updated RStudio no longer supporting the RDCOMClient package?

Thanks, Sean

2

The problem isn't RStudio...sorry. This is an issue with the RDCOMClient package not working with Rtools version 4.0 vs. RTools 3.5. Downgrading to RTools 3.5 fixed the problem.

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