jenkinsci/walldisplay-plugin — pull request #14 by hencjo (2012-10-01 21:42:38+00:00)
Title: org.jenkins-ci.plugins:plugin version -> 1.424

According to this discussion [https://github.com/jenkinsci/walldisplay-plugin/pull/13]
it's the least invasive change that still fixes the issue with building on Java 7.