Program: 62829
Project: 62829
Buggy source:
/** 
 * Returns the link of publish and unpublish action for the session feedback
 * @param session The session details
 * @param isHome Flag whether the link is to be put at homepage (to determine the redirect link in delete / publish)
 * @param instructor The instructor attributes of the session feedback
 * @return
 */
public String getInstructorFeedbackSessionPublishAndUnpublishAction(FeedbackSessionAttributes session,boolean isHome,InstructorAttributes instructor){
  boolean hasPublish=!session.isWaitingToOpen() && !session.isPublished();
  boolean hasUnpublish=!session.isWaitingToOpen() && session.isPublished();
  String disabledStr="String_Node_Str";
  String disableUnpublishSessionStr=instructor.isAllowedForPrivilege(Const.ParamsNames.INSTRUCTOR_PERMISSION_MODIFY_SESSION) ? "String_Node_Str" : disabledStr;
  String disablePublishSessionStr=instructor.isAllowedForPrivilege(Const.ParamsNames.INSTRUCTOR_PERMISSION_MODIFY_SESSION) ? "String_Node_Str" : disabledStr;
  String result="String_Node_Str";
  if (hasUnpublish) {
    result="String_Node_Str" + "String_Node_Str" + getInstructorFeedbackSessionUnpublishLink(session.courseId,session.feedbackSessionName,isHome) + "String_Node_Str"+ "String_Node_Str"+ Const.Tooltips.FEEDBACK_SESSION_UNPUBLISH+ "String_Node_Str"+ "String_Node_Str"+ session.feedbackSessionName+ "String_Node_Str"+ disableUnpublishSessionStr+ "String_Node_Str";
  }
 else {
    result="String_Node_Str" + (hasPublish ? "String_Node_Str" : DISABLED) + "String_Node_Str"+ getInstructorFeedbackSessionPublishLink(session.courseId,session.feedbackSessionName,isHome)+ "String_Node_Str"+ "String_Node_Str"+ (hasPublish ? Const.Tooltips.FEEDBACK_SESSION_PUBLISH : Const.Tooltips.FEEDBACK_SESSION_AWAITING)+ "String_Node_Str"+ "String_Node_Str"+ (hasPublish ? "String_Node_Str" + session.feedbackSessionName + "String_Node_Str"+ session.isPublishedEmailEnabled+ "String_Node_Str" : "String_Node_Str")+ disablePublishSessionStr+ "String_Node_Str";
  }
  return result;
}

Fixed version (ground truth):
/** 
 * Returns the link of publish and unpublish action for the session feedback
 * @param session The session details
 * @param isHome Flag whether the link is to be put at homepage (to determine the redirect link in delete / publish)
 * @param instructor The instructor attributes of the session feedback
 * @return
 */
public String getInstructorFeedbackSessionPublishAndUnpublishAction(FeedbackSessionAttributes session,boolean isHome,InstructorAttributes instructor){
  boolean hasPublish=!session.isWaitingToOpen() && !session.isPublished();
  boolean hasUnpublish=!session.isWaitingToOpen() && session.isPublished();
  String disabledStr="String_Node_Str";
  String disableUnpublishSessionStr=instructor.isAllowedForPrivilege(Const.ParamsNames.INSTRUCTOR_PERMISSION_MODIFY_SESSION) ? "String_Node_Str" : disabledStr;
  String disablePublishSessionStr=instructor.isAllowedForPrivilege(Const.ParamsNames.INSTRUCTOR_PERMISSION_MODIFY_SESSION) ? "String_Node_Str" : disabledStr;
  String result="String_Node_Str";
  if (hasUnpublish) {
    result="String_Node_Str" + "String_Node_Str" + getInstructorFeedbackSessionUnpublishLink(session.courseId,session.feedbackSessionName,isHome) + "String_Node_Str"+ "String_Node_Str"+ Const.Tooltips.FEEDBACK_SESSION_UNPUBLISH+ "String_Node_Str"+ "String_Node_Str"+ session.feedbackSessionName+ "String_Node_Str"+ disableUnpublishSessionStr+ "String_Node_Str";
  }
 else {
    result="String_Node_Str" + (hasPublish ? "String_Node_Str" : DISABLED) + "String_Node_Str"+ getInstructorFeedbackSessionPublishLink(session.courseId,session.feedbackSessionName,isHome)+ "String_Node_Str"+ "String_Node_Str"+ (hasPublish ? Const.Tooltips.FEEDBACK_SESSION_PUBLISH : Const.Tooltips.FEEDBACK_SESSION_AWAITING)+ "String_Node_Str"+ "String_Node_Str"+ (hasPublish ? "String_Node_Str" + session.feedbackSessionName + "String_Node_Str"+ "String_Node_Str"+ session.isPublishedEmailEnabled+ "String_Node_Str" : "String_Node_Str")+ disablePublishSessionStr+ "String_Node_Str";
  }
  return result;
}