Christopher Tubbs created ACCUMULO-3641:
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Summary: Mark slf4j implementation dependencies "optional"
Key: ACCUMULO-3641
URL: https://issues.apache.org/jira/browse/ACCUMULO-3641
Project: Accumulo
Issue Type: Sub-task
Reporter: Christopher Tubbs
After ACCUMULO-1242 is complete, we should not have any more direct usage of
log4j or any other particular slf4j implementation. As such, we should mark
log4j (and any other slf4j implementations) as optional in the dependencies
section of the POM.
["Optional" dependencies in
Maven|http://maven.apache.org/guides/introduction/introduction-to-optional-and-excludes-dependencies.html]
are not automatically inherited transitively when other projects depend on
ours. This is important, because if somebody writes a client application which
depends on Accumulo code, we should not be forcing that application into a
particular logging implementation. Marking it optional is preferable to forcing
them to exclude the transitive dependencies in order to provide their own. It
will also prevent conflicts when they have dependencies on other projects,
which require a particular conflicting implementation of slf4j.
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