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Error running 'Debug with Lean CLI': Address already in use: NET_Bind
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Jasper van Merle
Hi Yi,
Can you please share a bit more of what you were doing at the time you got that error? I can reproduce your error, but only when I try to use the “Debug with Lean CLI” run configuration in two projects at the same time, which is not supported because two programs cannot listen on the same port at the same time.
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Yi ren
The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.
Jasper van Merle
Hi Yi,
Please make sure there is no other program that is using port 6000 when you press that button. You can find the ports that are in use by running `netstat -abno` in an elevated PowerShell terminal (Win + X > Windows PowerShell (Admin)). You should see a row like this where the second column says port 6000 and the line underneath it contains the name of the executable that is using the port:
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