Unexpected behaviour with IssueInputParameters.setComment()

 

final String SYSTEM_USER = "system";
User systemUser = ComponentManager.getInstance().getUserUtil().getUser(SYSTEM_USER);
...
            IssueInputParameters issueInputParameters = new IssueInputParametersImpl();
            // comment not showing up
            issueInputParameters.setComment("All issues depended on are either resolved or closed.");

            TransitionValidationResult transitionValidationResult = issueService.validateTransition(systemUser,
               linkedIssue.getId(), ALL_WAITING_ISSUES_RESOLVED_ACTION_ID, issueInputParameters);

            if (transitionValidationResult.isValid())
               {
               IssueResult transitionResult = issueService.transition(systemUser, transitionValidationResult);

               if (transitionResult.isValid())
                  {
                  log.debug("Issue " + linkedIssue + " successfully transitioned out of WAITING ISSUE status");

                  // See above, comment submitted with transition is not showing up, so we add one ourselves.
                  linkedIssue = issueManager.getIssueObject(linkedIssue.getKey());
                  commentManager.create(linkedIssue, SYSTEM_USER, "All issues depended on are either resolved or closed.", true);
                  }
               else
                  {
                  log.debug("Issue " + linkedIssue + " transitionResult not valid");
                  }
               }
            else
               {
               log.debug("Issue " + linkedIssue + " transitionValidationResult not valid");
               }
            }