I have installed Eclipse, JDK 14, and Wolfram Workbench on my computer. I have made sure to specify the location of my Mathematica install. However, when I try to open a Mathematica notebook from Eclipse, I am prompted to enter my Mathematica activation key.

However, I don't think this is necessary since my installation of Mathematica is valid. When I exit that window I am greeted with this:

enter image description here

Also note that I specified the Mathematica 12.0 folder in Preferences, not just the Mathematica executable file.

  • $\begingroup$ did you sort this out? I am seeing similar behavior. $\endgroup$
    – user6546
    Nov 8, 2020 at 0:42
  • $\begingroup$ For me, the cause was an old version's path in the preferences (9.0 instead of 12.2). Check if the system explorer opens your Mathematica.exe when you input the file path. $\endgroup$ Nov 1 at 16:11


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