Sangjin Lee created HADOOP-12048:
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Summary: many undeclared used dependencies (and declared unused
dependencies)
Key: HADOOP-12048
URL: https://issues.apache.org/jira/browse/HADOOP-12048
Project: Hadoop Common
Issue Type: Bug
Components: build
Affects Versions: 3.0.0
Reporter: Sangjin Lee
Currently there are numerous undeclared used dependencies and declared unused
dependencies in the hadoop projects.
Undeclared used dependencies are easier errors to correct, and correcting them
will lead to a better management of dependencies (enabling stricter dependency
frameworks down the road).
Declared unused dependencies are harder to resolve, as many may be legitimate
runtime dependencies. But fixing them would lead to smaller profiles for hadoop
projects.
We can do a one-time scan of dependency issues and fix them. However, in the
long run, it would be nice to be able to enforce those rules via maven plug-in.
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