The fix for
MCHANGES-166 included a small change that broke this. See http://jira.codehaus.org/browse/MCHANGES-166?focusedCommentId=184918&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_184918
The private method parseIssueLink(...) should remove only the trailing slash from the URL if one exists. This prevents cases where we miss to give a trailing slash in the issueManagement.url.
This part of the patch should not have been committed. The documentation for the issueLinkTemplatePerSystem parameter states:
%URL%: this is computed by getting the <issueManagement>/<url> value from the POM, and removing the last '/' and everything that comes after it.
After the patch this is no longer true. This breaks issue links to JIRA if you have a configuration like this: