Robot keys are not working in VM when I close the connection

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selenium

Java8

We are using selenium-java for automation and I am facing an issue with robot keys in VM. When I am executing code with a connection to VM open, robot keys are working fine. But if I kick-start the execution and close the VM connection, it is failing.

What I have tried:

I am using below code:

Robot robot = new Robot();
robot.delay(250);
robot.keyPress(KeyEvent.VK_CONTROL);
robot.keyPress(KeyEvent.VK_V);
robot.keyRelease(KeyEvent.VK_V);
robot.keyRelease(KeyEvent.VK_CONTROL);
robot.delay(100);
robot.keyPress(KeyEvent.VK_ENTER);
robot.keyRelease(KeyEvent.VK_ENTER);