### What changes were proposed in this pull request? This PR aims to introduce `warn-unused-import` in Scala. ### Why are the changes needed? There are currently many invalid imports, which can be checked using `-Ywarn-unused-import`. And through `silencer` plugin we can avoid some imports required in scala 2.11. ```scala import org.apache.celeborn.common.util.FunctionConverter._ ``` ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? GA Closes #2689 from cxzl25/CELEBORN-1565. Authored-by: sychen <sychen@ctrip.com> Signed-off-by: Shaoyun Chen <csy@apache.org> |
||
|---|---|---|
| .. | ||
| src/test | ||
| pom.xml | ||