Program: 189363
Project: 189363
Buggy source:
/** 
 * This generates a map of the strings to be replaced with a specific submissions meta data.
 * @param sub The Submission object.
 * @return A key value Map of the Source String and the Replacement String.
 */
public static Map<String,String> setParameters(Submission sub){
  Map<String,String> parameters=new HashMap<String,String>();
  if (sub.getStudentFirstName() != null || sub.getStudentLastName() != null)   parameters.put("String_Node_Str",sub.getStudentFormattedName(NameFormat.FIRST_LAST));
  if (sub.getStudentFirstName() != null)   parameters.put("String_Node_Str",sub.getStudentFirstName());
  if (sub.getStudentLastName() != null)   parameters.put("String_Node_Str",sub.getStudentLastName());
  if (sub.getDocumentTitle() != null)   parameters.put("String_Node_Str",sub.getDocumentTitle());
  if (sub.getDocumentType() != null)   parameters.put("String_Node_Str",sub.getDocumentType());
  if (sub.getState() != null)   parameters.put("String_Node_Str",sub.getState().getDisplayName());
  if (sub.getGraduationYear() != null) {
    String gradSemester=String.valueOf(sub.getGraduationYear());
    if (sub.getGraduationMonth() != null) {
      Integer monthInt=sub.getGraduationMonth();
      String monthName=new DateFormatSymbols().getMonths()[monthInt];
      gradSemester=monthName + "String_Node_Str" + gradSemester;
    }
    parameters.put("String_Node_Str",gradSemester);
  }
  if (sub.getAssignee() != null)   parameters.put("String_Node_Str",sub.getAssignee().getFormattedName(NameFormat.FIRST_LAST));
 else   parameters.put("String_Node_Str","String_Node_Str");
  ActionDefinition studentAction=Router.reverse("String_Node_Str");
  studentAction.absolute();
  parameters.put("String_Node_Str",studentAction.url);
  Map<String,Object> params=new HashMap<String,Object>();
  params.put("String_Node_Str",String.valueOf(sub.getId()));
  ActionDefinition submissionAction=Router.reverse("String_Node_Str",params);
  submissionAction.absolute();
  parameters.put("String_Node_Str",submissionAction.url);
  if (sub.getCommitteeEmailHash() != null) {
    Map<String,Object> routeArgs=new HashMap<String,Object>();
    routeArgs.put("String_Node_Str",sub.getCommitteeEmailHash());
    ActionDefinition advisorAction=Router.reverse("String_Node_Str",routeArgs);
    advisorAction.absolute();
    parameters.put("String_Node_Str",advisorAction.url);
  }
  parameters.put("String_Node_Str",File.separator);
  return parameters;
}

Fixed version (ground truth):
/** 
 * This generates a map of the strings to be replaced with a specific submissions meta data.
 * @param sub The Submission object.
 * @return A key value Map of the Source String and the Replacement String.
 */
public static Map<String,String> setParameters(Submission sub){
  Map<String,String> parameters=new HashMap<String,String>();
  if (sub.getStudentFirstName() != null || sub.getStudentLastName() != null)   parameters.put("String_Node_Str",sub.getStudentFormattedName(NameFormat.FIRST_LAST));
  if (sub.getStudentFirstName() != null)   parameters.put("String_Node_Str",sub.getStudentFirstName());
  if (sub.getStudentLastName() != null)   parameters.put("String_Node_Str",sub.getStudentLastName());
  if (sub.getDocumentTitle() != null)   parameters.put("String_Node_Str",sub.getDocumentTitle());
  if (sub.getDocumentType() != null)   parameters.put("String_Node_Str",sub.getDocumentType());
  if (sub.getState() != null)   parameters.put("String_Node_Str",sub.getState().getDisplayName());
  if (sub.getGraduationYear() != null) {
    String gradSemester=String.valueOf(sub.getGraduationYear());
    if (sub.getGraduationMonth() != null) {
      Integer monthInt=sub.getGraduationMonth();
      String monthName=new DateFormatSymbols().getMonths()[monthInt];
      gradSemester=monthName + "String_Node_Str" + gradSemester;
    }
    parameters.put("String_Node_Str",gradSemester);
  }
  if (sub.getAssignee() != null)   parameters.put("String_Node_Str",sub.getAssignee().getFormattedName(NameFormat.FIRST_LAST));
 else   parameters.put("String_Node_Str","String_Node_Str");
  ActionDefinition studentAction=Router.reverse("String_Node_Str");
  studentAction.absolute();
  parameters.put("String_Node_Str",studentAction.url);
  Map<String,Object> params=new HashMap<String,Object>();
  params.put("String_Node_Str",String.valueOf(sub.getId()));
  ActionDefinition submissionAction=Router.reverse("String_Node_Str",params);
  submissionAction.absolute();
  parameters.put("String_Node_Str",submissionAction.url);
  if (sub.getCommitteeEmailHash() != null) {
    Map<String,Object> routeArgs=new HashMap<String,Object>();
    routeArgs.put("String_Node_Str",sub.getCommitteeEmailHash());
    ActionDefinition advisorAction=Router.reverse("String_Node_Str",routeArgs);
    advisorAction.absolute();
    parameters.put("String_Node_Str",advisorAction.url);
  }
  String depositID="String_Node_Str";
  if (sub.getDepositId() != null)   depositID=sub.getDepositId();
  parameters.put("String_Node_Str",depositID);
  parameters.put("String_Node_Str",File.separator);
  return parameters;
}