Qserver is already bound to the port

Sometime when you start the DAC Server on Unix, you will notice the error in the DAC Server log.

Qserver is already bound to the port 3141.

It was observed that when the DAC Server was shutdown on the Linux using the stopserver.sh script, QServer JAVA Process was not went down and it was still running.

When you shutdown the DAC Server, you need to make sure that JAVA Process QServer also went down. If not, then you have to kill the JAVA Process before starting the DAC server again.