[jira] [Created] (FLINK-6920) Remove minor guava usages in several modules

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-6920:
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             Summary: Remove minor guava usages in several modules
                 Key: FLINK-6920
                 URL: https://issues.apache.org/jira/browse/FLINK-6920
             Project: Flink
          Issue Type: Improvement
          Components: Batch Connectors and Input/Output Formats, Build System, ElasticSearch Connector, Gelly, Tests
    Affects Versions: 1.4.0
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler
             Fix For: 1.4.0


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

{code}
flink-connector-elasticsearch
flink-connector-filesystem
flink-gelly-examples
flink-gelly-scala
flink-test-utils
{code}

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



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