The Apache Hadoop community has voted to end the release line of 2.8.x. (Vote thread: https://s.apache.org/ApacheHadoop2.8EOLVote)
The first 2.8 release, 2.8.0 was released on 03/27/2017 The last 2.8 release, 2.8.5, was released on 09/15/2018 Existing 2.8.x users are encouraged to upgrade to newer release lines: 2.10.0 / 3.1.3 / 3.2.1. Please check out our Release EOL wiki for details: https://cwiki.apache.org/confluence/display/HADOOP/EOL+(End-of-life)+Release+Branches Best Regards, Wei-Chiu Chuang (On Behalf of the Apache Hadoop PMC)