Duplicate class com.google.protobuf.DescriptorProtos found in modules jetified-loki-logback-appender-1.2.0 (com.github.loki4j:loki-logback-appender:1.2.0) and jetified-protobuf-java-3.17.3 (com.google.protobuf:protobuf-java:3.17.3)
Duplicate class com.google.protobuf.DescriptorProtos$DescriptorProto found in modules jetified-loki-logback-appender-1.2.0 (com.github.loki4j:loki-logback-appender:1.2.0) and jetified-protobuf-java-3.17.3 (com.google.protobuf:protobuf-java:3.17.3)
Duplicate class com.google.protobuf.DescriptorProtos$DescriptorProto$1 found in modules jetified-loki-logback-appender-1.2.0 (com.github.loki4j:loki-logback-appender:1.2.0) and jetified-protobuf-java-3.17.3 (com.google.protobuf:protobuf-java:3.17.3)
Duplicate class com.google.protobuf.DescriptorProtos$DescriptorProto$Builder found in modules jetified-loki-logback-appender-1.2.0 (com.github.loki4j:loki-logback-appender:1.2.0) and jetified-protobuf-java-3.17.3 (com.google.protobuf:protobuf-java:3.17.3)
Duplicate class com.google.protobuf.DescriptorProtos$DescriptorProto$ExtensionRange found in modules jetified-loki-logback-appender-1.2.0 (com.github.loki4j:loki-logback-appender:1.2.0) and jetified-protobuf-java-3.17.3 (com.google.protobuf:protobuf-java:3.17.3)
Duplicate class com.google.protobuf.DescriptorProtos$DescriptorProto$ExtensionRange$1 found in modules jetified-loki-logback-appender-1.2.0 (com.github.loki4j:loki-logback-appender:1.2.0) and jetified-protobuf-java-3.17.3 (com.google.protobuf:protobuf-java:3.17.3)
...
Thanks for reporting this! We already have a similar issue #122 (though it's hard to guess by name). So you can track the progress on fixing this there.
When gradle project depends on loki-logback-appender and com.google.protobuf:protobuf-java:
There is following build error: