Github user ankitsinghal commented on the issue:
https://github.com/apache/incubator-tephra/pull/67
bq. Can you update the pom for the 2.0 compat module to use Java 8?
Do we want to make Java8 specific to HBase-2.0 compat module and keep other
still running on Java7. Will it not affect the release process, as currently
the release is built with single version JDK 1.7? ---
