JdbcTemplate jdbcTemplate = ApplicationContextHelper
.getBean(JdbcTemplate.class);
String historicActivityInstanceId = jdbcTemplate.queryForObject(
"select id_ from ACT_HI_ACTINST where task_id_=?",
String.class, taskId);
Node node = graph.findById(historicActivityInstanceId);
String previousHistoricActivityInstanceId = this.findIncomingNode(
graph, node);
if (previousHistoricActivityInstanceId == null) {