what java version to compile this src
it lot of error
Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.6.1/userguide/command_line_interface.html#sec:command_line_warnings
BUILD SUCCESSFUL in 824ms
1 actionable task: 1 executed
G:\lineage2-classic src>gradlew.bat distZip
Configuration on demand is an incubating feature.
> Task :gameserver:compileKotlin
w: ATTENTION!
This build uses unsafe internal compiler arguments:
-XXLanguag