logstash-core 5.1.1-java
This version has been yanked, and it is not available for download directly or for other gems that may have depended on it.
Requirements:
jar org.apache.logging.log4j:log4j-1.2-api, 2.6.2
jar org.apache.logging.log4j:log4j-api, 2.6.2
jar org.apache.logging.log4j:log4j-core, 2.6.2
jar com.fasterxml.jackson.core:jackson-core, 2.7.4
jar com.fasterxml.jackson.core:jackson-databind, 2.7.4