Program: 18105
Project: 18105
Buggy source:
private String createJPQLQuery() throws ODataJPARuntimeException {
  StringBuilder jpqlQuery=new StringBuilder();
  String tableAlias=context.getJPAEntityAlias();
  String fromClause=context.getJPAEntityName() + JPQLStatement.DELIMITER.SPACE + tableAlias;
  jpqlQuery.append(JPQLStatement.KEYWORD.SELECT).append(JPQLStatement.DELIMITER.SPACE);
  jpqlQuery.append(tableAlias).append(JPQLStatement.DELIMITER.SPACE);
  jpqlQuery.append(JPQLStatement.KEYWORD.FROM).append(JPQLStatement.DELIMITER.SPACE);
  jpqlQuery.append(fromClause);
  if (context.getWhereExpression() != null) {
    jpqlQuery.append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(JPQLStatement.KEYWORD.WHERE).append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(context.getWhereExpression());
  }
  if (context.getOrderByCollection() != null && context.getOrderByCollection().size() > 0) {
    StringBuilder orderByBuilder=new StringBuilder();
    Iterator<Entry<String,String>> orderItr=context.getOrderByCollection().entrySet().iterator();
    int i=0;
    while (orderItr.hasNext()) {
      if (i != 0) {
        orderByBuilder.append(JPQLStatement.DELIMITER.SPACE).append(JPQLStatement.DELIMITER.COMMA).append(JPQLStatement.DELIMITER.SPACE);
      }
      Entry<String,String> entry=orderItr.next();
      orderByBuilder.append(tableAlias).append(JPQLStatement.DELIMITER.PERIOD).append(entry.getKey()).append(JPQLStatement.DELIMITER.SPACE);
      orderByBuilder.append(entry.getValue());
      i++;
    }
    jpqlQuery.append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(JPQLStatement.KEYWORD.ORDERBY).append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(orderByBuilder);
  }
  return jpqlQuery.toString();
}

Fixed version (ground truth):
private String createJPQLQuery() throws ODataJPARuntimeException {
  StringBuilder jpqlQuery=new StringBuilder();
  String tableAlias=context.getJPAEntityAlias();
  String fromClause=context.getJPAEntityName() + JPQLStatement.DELIMITER.SPACE + tableAlias;
  jpqlQuery.append(JPQLStatement.KEYWORD.SELECT).append(JPQLStatement.DELIMITER.SPACE);
  jpqlQuery.append(tableAlias).append(JPQLStatement.DELIMITER.SPACE);
  jpqlQuery.append(JPQLStatement.KEYWORD.FROM).append(JPQLStatement.DELIMITER.SPACE);
  jpqlQuery.append(fromClause);
  if (context.getWhereExpression() != null) {
    jpqlQuery.append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(JPQLStatement.KEYWORD.WHERE).append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(context.getWhereExpression());
  }
  if (context.getOrderByCollection() != null && context.getOrderByCollection().size() > 0) {
    StringBuilder orderByBuilder=new StringBuilder();
    Iterator<Entry<String,String>> orderItr=context.getOrderByCollection().entrySet().iterator();
    int i=0;
    while (orderItr.hasNext()) {
      if (i != 0) {
        orderByBuilder.append(JPQLStatement.DELIMITER.SPACE).append(JPQLStatement.DELIMITER.COMMA).append(JPQLStatement.DELIMITER.SPACE);
      }
      Entry<String,String> entry=orderItr.next();
      orderByBuilder.append(entry.getKey()).append(JPQLStatement.DELIMITER.SPACE);
      orderByBuilder.append(entry.getValue());
      i++;
    }
    jpqlQuery.append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(JPQLStatement.KEYWORD.ORDERBY).append(JPQLStatement.DELIMITER.SPACE);
    jpqlQuery.append(orderByBuilder);
  }
  return jpqlQuery.toString();
}