I've just installed Workbench 2.0 and I am trying to use it with Mathematica 10.

Following the examples in the help I created the sample Test project.

When I hit run it does the following.

  • Spawns a new Mathematica app.
  • Opens a blank notebook.
  • Workbench sits on 19% for about a minute.

After that I get the following error message.

The Mathematica Notebook front end could not be launched.

I have reinstalled Mathematica + Workbench from scratch but still the same.

Also the blank notebook spawned is not in the Directory[] for the code. So that's a bit pointless.

As a workaround I have Mathematica launched and I've manually SetDirectory[] to my project, but it just seems a bit annoying I can't just work out of the workbench.

  • $\begingroup$ So, is there anything at the location indicated? ie, if you type /Applications/Mathematica.app/Contents/MacOS/Mathematica into a terminal window, does it launch Mathematica? Presumably yes, since it does get launched, but worth checking. $\endgroup$
    – acl
    Jul 20, 2014 at 17:10
  • $\begingroup$ There's a thread about this on Wolfram Community. Take a look. Today it takes an extremely long time to load so I didn't look it up for you. $\endgroup$
    – Szabolcs
    Jul 20, 2014 at 17:13
  • $\begingroup$ @acl yep the location is correct and launches. $\endgroup$ Jul 20, 2014 at 17:18
  • $\begingroup$ @Szabolcs. I'll try find that, but if you get the link before me please post. Thanks! $\endgroup$ Jul 20, 2014 at 17:18

1 Answer 1


It appears to be a known issue with the Workbench.


From that link the suggestion is to contact support:


You are not the first people to encounter a problem launching Mathematica 10 from recent Wolfram Workbench. It seems to be erratic as to which computers and which projects.

Requests; please send this information to [email protected]:

1) Under the Wolfram Workbench menu, About Wolfram Workbench item, the window shows a version number. Please send that. Also send the "Build" number if one is shown.

2) Try changing the path to Mathematica in the Workbench preferences from Default to the explicit full path. Do this even if the default value shown is correct. This is known to have helped in one case. Include in your email whether this helped.

3) The actual text of the error message, if any, and the symptoms.

4) And of course, please include the Mathematica license number or Activation Key and the operating system level.

I've logged a support request. So if I get a solution I will post here.

  • $\begingroup$ So you found it. Sorry for not giving the link. At the time I was in a hurry and Community didn't load in half a minute. $\endgroup$
    – Szabolcs
    Jul 21, 2014 at 2:23

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