R-Execute error - Check network connection and R server JVM

R-Execute error - Check network connection and R server JVM

R-Execute error - Check network connection and R server JVM

Problem

R-Execute fails showing this error: Execution of 'R Execute' failed. Error details: Timeout waiting for reply to message GetMaxRWorkerCount. Check network Connection and R server JVM.

(see the attached screenshot)

Cause

Akka is failing to work with the specified NAT'ed IP address; there is a connectivity issue.
 

Resolution

In order to workaround this issue, make sure that the Spotfire Data Science server can resolve the R server's hostname and configure the R server's hostname on the Spotfire Data Science UI (instead of the NAT'ed IP address):

(see the attached screenshot)