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The selected wizard could not be started. Failed to create injector for com.github.jknack.antlr4ide.Antlr4 ExtensionFactory: com.github.jknack.antlr4ide.ui.Antlr4ExecutableExtensionFactory Failed to create injector for com.github.jknack.antlr4ide.Antlr4

How do I solve this problem?

3 Answers3

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I have solved the problem by installing xtext 2.7.3:

  1. Download
  2. In Eclipse > Help > Install New Software...
  3. Add... > Archive > Select downloaded .zip file
  4. Check Xtext from the list > Continue installing
  5. Restart eclipse

*Instructions found here also.

Robert Kovacs
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I am using Eclipse Mars but this works well with Luna version also.

Make sure that you have Xtext 2.7.3 installed.

  1. You can check this by going to Help->Installation Details. Check if you have any other version of Xtext installed. If yes, then please uninstall that.

  2. Go to Help->Install New Software , put http://download.eclipse.org/modeling/tmf/xtext/updates/composite/releases/ in the Work With textbox and hit enter. It will take some time fetching from the server. Click Next, accept license/agreement and then Finish. Your Xtext 2.7.3 is installed.

If still your project is not running you can follow this answer. Trouble Setting Up ANTLR 4 IDE on Eclipse Luna (4.4)

Community
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Aman Sinha
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Installed the specific 2.7.3 Xtext version using the downloaded zip and it corrected the issue for me running neon on my mac os x El Capitan

Geo Monroe
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