GitHub user namannigam opened a pull request: https://github.com/apache/commons-lang/pull/282
SwappedPair constructed as Pair.of(rhs,lhs) There seems to be a bug in the current implementation of the `isRegistered` implementation, where the `swappedPair` is constructed similarly to the existing `pair` to check their existence in registry. Source of finding - [StackOverflow#45603317](https://stackoverflow.com/questions/45603317/) You can merge this pull request into a Git repository by running: $ git pull https://github.com/namannigam/commons-lang master Alternatively you can review and apply these changes as the patch at: https://github.com/apache/commons-lang/pull/282.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #282 ---- commit 9cf2568f2429ad84469a09f2480effc47c0467ec Author: namannigam <namanniga...@gmail.com> Date: 2017-08-10T03:15:27Z SwappedPair constructed as Pair.of(rhs,lhs) commit 17bb505f2ab99f61b9fe99fb549df3dbdda957ff Author: namannigam <namanniga...@gmail.com> Date: 2017-08-10T03:19:37Z Revert import format ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---