I believe dependabot tried to upgrade self4j to 2.x in [1] but JB mentioned there's -1 on this upgrade, maybe he has more context.
[1]https://github.com/apache/iceberg/pull/9688 Thanks, Steve Zhang > On Aug 24, 2024, at 7:37 PM, Steven Wu <stevenz...@gmail.com> wrote: > > Hi, > > It seems that test logging is broken in many modules (like core, flink) > because slf4j-api was upgraded to 2.x while slf4j-simple provider is still on > 1.7. I created a PR that upgraded slf4j-simple testImplementation to 2.x for > all subprojects. > > https://github.com/apache/iceberg/pull/11001 > > That fixed the test logging problem (e.g. TestInMemoryCatalog). You can find > more details in the PR description. Test logging seems to have been broken > for a while (from 1.4). But those dep problems have been for test runtime > only. > > Recent change [1] on Avro 1.12.0 introduced slf4j-api 2.x change for runtime, > as verified by the cmd below on the main branch. > > ./gradlew -q :iceberg-core:dependencyInsight --dependency slf4j-api > --configuration runtimeClasspath > > This thread is to raise awareness on the slf4j-api dep change to 2.x as > downstream projects/applications can be affected. Looking forward to feedback > on the path forward. > continue the current upgrade path and document the slf4j-api 2.x change in > the next 1.7 release. But we need to be cautious of not porting the Avro > 1.12.0 / slf4j-api 2.x change to the 1.6 branch. > exclude slf4j-api transitive deps from Avro and other test deps so that > Iceberg stays on slf4j 1.7. If that is the direction to go, we won't need PR > #11001. > > Thanks, > Steven > > [1] https://github.com/apache/iceberg/pull/10879