Hello, please use gradlew, for example `./gradlew jar` `./gradlew idea`, or you can use the gradle plugin of IDEA. The `@ nowarn` warn seems to be related to different version of scala and jdk which you can just ignore.
> On Feb 18, 2021, at 16:38, 韩可 <han...@cvicse.com <mailto:han...@cvicse.com>> > wrote: > > Hello! > > Recently, we need to build a compilation and development environment for > Kafka 2.7.0 source code. Now the source code can run successfully. However, > when we execute "gradle install" or "gradle build", we will report an error: > @ nowarn annotation does not suppress any warnings. The details are as > follows: > > > > If you delete the @ nowarn annotation according to the location of the error, > you will still report other errors, so please find out if there is a good > solution, and hope to get your reply. Thank you! > > The gradle version used is 6.6 > The scala version used is 2.13.4 >
