net: dial tcp: lookup "domain": no such host, on Darwin #17172
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We are going to need a test case. This clearly doesn't happen normally. If the idea is simple, can you write a simple test? |
Macs have very low default fd limits. And we use cgo by default on Darwin. (Which might change in 1.8) This is almost certainly a fd exhaustion problem. The real question is why the error message sucks. |
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Please answer these questions before submitting your issue. Thanks!
What version of Go are you using (
go version
)?go version go1.7.1 darwin/amd64
What operating system and processor architecture are you using (
go env
)?What did you do?
Unfortunately, I can't share the code. The idea is simple: perform lots of concurrent requests on a loop until you get the error.
What did you expect to see?
I expect to not see errors related to TCP or network.
What did you see instead?
dial tcp: lookup "example.com": no such host
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