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i am getting the below error . Could you please help me resolve this

Invocation target exception: Can't connect to X11 window server using 'dummy0:1.0' as the value of the DISPLAY variable; you may consider checking your DISPLAY environment variable.

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  • Can you attached error log (output)? May 20, 2015 at 5:54

1 Answer 1

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Are you running remotely? I.e. over a network connection? Or are you trying to run a graphics program in the background?

Try typing echo $DISPLAY

If you are on the machine itself, you should get :0.0

If 'dummy' appears, then that is probably the indication that the program is trying to run in an environment without a display, and it needs one.

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