[GitHub] [flink] NicoK opened a new pull request #8448: [FLINK-12516][travis] use Ubuntu 16.04 LTS (Xenial) and change to openJDK8

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

NicoK opened a new pull request #8448: [FLINK-12516][travis] use Ubuntu 16.04 LTS (Xenial) and change to openJDK8
URL: https://github.com/apache/flink/pull/8448
 
 
   ## What is the purpose of the change
   
   This changes the test environment from trusty to xenial which is still
   supported until 2021-04 and provides more up-to-date system libraries.
   
   Since oraclejdk8 is not available in Travis' xenial image and we can't switch
   to oraclejdk9 yet, this also changes the JDK to openJDK8.
   
   ## Brief change log
   
   - change Travis' distribution to `xenial`
   - change Travis' JDK to `openjdk8`
   
   ## Verifying this change
   
   Run Travis tests.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): **no**
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: **no**
     - The serializers: **no**
     - The runtime per-record code paths (performance sensitive): **no**
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: **no**
     - The S3 file system connector: **no**
   
   ## Documentation
   
     - Does this pull request introduce a new feature? **no**
     - If yes, how is the feature documented? **not applicable**
   

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services