[Bug 1788735] Re: libcommons-lang3-java FTBFS due to circular build-dep (multiple versions in classpath)

Simon Quigley tsimonq2 at ubuntu.com
Fri Aug 24 17:44:14 UTC 2018

** Changed in: libcommons-lang3-java (Ubuntu)
       Status: New => Fix Committed

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  libcommons-lang3-java FTBFS due to circular build-dep (multiple
  versions in classpath)

Status in libcommons-lang3-java package in Ubuntu:
  Fix Committed

Bug description:
  maven relies on surefire for running tests and surefire depends on
  libcommons-lang3-java. So whenever libcommons-lang3-java is updated
  there are 2 versions in the classpath during the testing: the old
  version in the deb package from surefire's dependency and the new
  version that was just build. Unfortunately the old version takes
  precedence in maven/surefire's classpath, thus any test that relies in
  the new features/classes/interfaces/methods will fail.

  This circular build dependency can only be broken by disabling testing
  for any libcommons-lang3-java update that also modifies the tests - I
  haven't found a way to force surefire/maven to load and use only the
  new version under test (or, in other words, to prevent it from
  loading/using the old classes).

  The easiest way to skip the tests is by adding "maven.test.skip=true"
  to debian/maven.properties [1].

  [1] https://wiki.debian.org/Java/MavenBuilder#line-87

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