demonstrate inconsistent RequireUpperBoundDeps enforcement

$ mvn --version
Apache Maven 3.5.0 (ff8f5e7444045639af65f6095c62210b5713f426; 2017-04-03T15:39:06-04:00)
...

$ mvn clean validate
...
Dependency convergence error for org.checkerframework:checker-compat-qual:2.5.3 paths to dependency are:
...
Dependency convergence error for com.google.errorprone:error_prone_annotations:2.3.1 paths to dependency are:
...
Failed while enforcing RequireUpperBoundDeps. The error(s) are [
Require upper bound dependencies error for com.google.errorprone:error_prone_annotations:2.0.9 paths to dependency are:
...

Note the single RequireUpperBoundDeps error despite the multiple dependency-convergence errors.
2 files changed
tree: dd90815e206b7c6ec5121d913955622c1294e6c9
  1. core/
  2. extensions/
  3. util/
  4. .gitignore
  5. .travis.yml
  6. CONTRIBUTING.md
  7. LICENSE
  8. pom.xml
  9. README.md
README.md

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