4.0.0 com.atlassian.confluence confluence-core 5.0-rotp8 com.atlassian.confluence.cache confluence-cache pom Confluence Cache Subsystem Implementations of Confluence's caching layer confluence-cache-ehcache cluster-profile !disable.cluster confluence-cache-coherence org.slf4j slf4j-api com.atlassian.confluence confluence ${project.version} provided log4j log4j