An internal error occurred during launching testng in eclipse

Question

I have created the simple test class and getting error while executing it "An internal error occurred during: "Launching test". java.lang.NullPointerException".

I am fed up with this problem. I searched a lot on google and applied all the possible solutions but still getting same problem. I know, it is configuration problem but not able to figure out where?

Followed Steps to create the project:

• Open Eclipse
• Install TestNG Plugin
• Create Java Project
• Add TestNG Library
• Create TestNG Class
• Execute that class (as above)

Applied solution :

• Reinstalled the Eclipse.
• Reinstalled the TestNG Plugin
• Uninstalled the MVC TestNG plugin

Source Code:

package usermigration;

import org.testng.annotations.Test;

public class test {


@Test   
public void a()
{
    System.out.println("a");
}

}

Answer 1

Finally I have identified the root cause. I have removed the M2E jars from eclipse and it resolved the problem.

Answer 2

looks like it's a regression introduced by PR #351, it should now be fixed in the beta channel: http://beust.com/eclipse-beta, will deploy a hotfix soon.

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-- Edit

now the hotfix 6.12.0.201709050550 is released: https://dl.bintray.com/testng-team/testng-eclipse-release/6.12.0/