[FLINK-6920] Remove minor guava usages in several modules

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: API / DataSet, Build System, Connectors / ElasticSearch, Library / Graph Processing, Tests
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 14/Jun/17 13:16
• Updated: 28/Feb/19 13:46
• Resolved: 27/Jun/17 13:53

Description

The following modules use guava without declaring it as a dependency:

flink-connector-elasticsearch
flink-connector-filesystem
flink-gelly-examples
flink-gelly-scala
flink-test-utils

Guava is used very sparingly (and sometimes for no good reason), so i suggest to rework the usages.

Issue Links

• links to: GitHub Pull Request #4124