activiti删除流程实例与activiti删除部署的流程，是初学者最容易犯的错误

 /**
     * 不通过
     * 删除流程实例
     */
    @Test
    public void deleteProcess() {
        String processInstanceId = "201";
        processEngine.getRuntimeService().deleteProcessInstance(processInstanceId, "不准逃课！");

        // 执行删除部分SQL如下
        // 1 ACT_RU_TASK 运行时任务节点表
        // delete from ACT_RU_TASK where ID_ = ? and REV_ = ?

        // 2 ACT_RU_IDENTITYLINK 运行时流程人员表，主要存储任务节点与参与者的相关信息
        // delete from ACT_RU_IDENTITYLINK where ID_ = ?

        // 3 ACT_RU_EXECUTION 运行时流程执行实例表
        // delete from ACT_RU_EXECUTION where ID_ = ? and REV_ = ?

        // 执行更新部分SQL如下
        // 1 ACT_HI_PROCINST 历史流程实例表
        // update ACT_HI_PROCINST set PROC_DEF_ID_ = ?, START_TIME_ = ?,
        // END_TIME_ = ?, DURATION_ = ?, END_ACT_ID_ = ?, DELETE_REASON_ = ?
        // where ID_ = ?

        // 2 ACT_HI_ACTINST 历史节点表
        // update ACT_HI_ACTINST set EXECUTION_ID_ = ?, ASSIGNEE_ = ?, END_TIME_
        // = ?, DURATION_ = ? where ID_ = ?

        // 3 ACT_HI_TASKINST 历史任务实例表
        // update ACT_HI_TASKINST set EXECUTION_ID_ = ?, NAME_ = ?,
        // PARENT_TASK_ID_ = ?, DESCRIPTION_ = ?, OWNER_ = ?, ASSIGNEE_ = ?,
        // CLAIM_TIME_ = ?, END_TIME_ = ?, DURATION_ = ?, DELETE_REASON_ = ?,
        // TASK_DEF_KEY_ = ?, FORM_KEY_ = ?, PRIORITY_ = ?, DUE_DATE_ = ? where
        // ID_ = ?
    }

     /**        * 删除部署信息
     */
    @Test
    public void deleteDeployment() {
        String deploymentId = "1";
        // 第二个参数代表级联操作
        processEngine.getRepositoryService().deleteDeployment(deploymentId, true);
        // 删除所有相关的activiti信息
    }