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At least link to the method you followed. Tell use what error you’re seeing. Where in the process you’re stuck and so on

Thanks for your reply! I execute

make

in the root directory of the code. My debugging environment is as follows: OS Ubuntu 18.04 Programming Language Version: Go 1.20

aaaah …. haven’t tried to develop on Longhorn components. Hopefully someone from the project can help you. Or other people contributing.

Thanks for your reply. Now I can only copy the bin of longhorn manager to pod.

Hi @bright-wall-24452 which branch/commit/tag of the longhorn-manager are you trying to run

make

in?

longhorn-manager v1.4.x

Not sure why it failed to cp the

/go/src/github.com/longhorn/longhorn-manager/coverage.out

out from the building container to local machine. But it shouldn't effect anything. It already finished building the longhorn-manager image. you can retag the image and push it to your registry for testing/debugging Btw, can you pull the latest update from the upstream 1.4.x branch, we just merged some fixes that could be related to this flow.

Thanks for your reply. I will have a try following your suggestions.