GDH

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Vert.x throws an exception related to DNS on startup: java.lang.IllegalArgumentException: \etc\resolv.conf didn't provide any name servers This happens only in the beginning, when the NetServer starts listening on localhost. After that the program resumes normally.

up

Seems like an issue with Netty which comes bundled with Vert.x. Supposed to be fixed in the next Vert.x version. A possible workaround can be running the program with an argument: -Dvertx.disableDnsResolver=true

ok, thanks, it is appears when I added logback.xml