[GitHub] [incubator-hivemall] myui opened a new pull request #186: [HIVEMALL-242][HIVEMALL-241] Drop support for Spark 2.1 and Deprecate Java7 for packaging

[GitBox <gi...@apache.org>]

myui opened a new pull request #186: [HIVEMALL-242][HIVEMALL-241] Drop support for Spark 2.1 and Deprecate Java7 for packaging
URL: https://github.com/apache/incubator-hivemall/pull/186
 
 
   ## What changes were proposed in this pull request?
   
   - Drop support for Spark 2.1
   - Require Java8 for packaging, deprecating Java7 (class file compatibility is Java7 or later) 
   
   ## What type of PR is it?
   
   Hot Fix
   
   ## What is the Jira issue?
   
   https://issues.apache.org/jira/browse/HIVEMALL-242
   https://issues.apache.org/jira/browse/HIVEMALL-241
   
   ## How was this patch tested?
   
   unit tests, manual tests
   
   ## Checklist
   
   - [x] Did you apply source code formatter, i.e., `./bin/format_code.sh`, for your commit?
   - [ ] Did you run system tests on Hive (or Spark)?
   

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