fix: 移植长辉已验证的四类接口 500/体验问题（不含物料颜色字段）

xiaoyi

5 天以前 481d8165f26fc7e37f0e87f6444ac0340bb563a3

 yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java

@@ -198,9 +198,13 @@
            processVariables.put(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_START_USER_ID, loginUserId);
        }
        // 1.3 读取其它相关数据
        ProcessDefinition processDefinition = processDefinitionService.getProcessDefinition(
                historicProcessInstance != null ? historicProcessInstance.getProcessDefinitionId()
                        : reqVO.getProcessDefinitionId());
        String processDefinitionId = historicProcessInstance != null
                ? historicProcessInstance.getProcessDefinitionId() : reqVO.getProcessDefinitionId();
        ProcessDefinition processDefinition = processDefinitionService.getProcessDefinition(processDefinitionId);
        if (processDefinition == null) {
            // 流程定义不存在时返回明确的业务错误，避免 NPE / Flowable 异常变成 500「系统异常」
            throw exception(ErrorCodeConstants.PROCESS_DEFINITION_NOT_EXISTS);
        }
        BpmProcessDefinitionInfoDO processDefinitionInfo = processDefinitionService
                .getProcessDefinitionInfo(processDefinition.getId());
        BpmnModel bpmnModel = processDefinitionService.getProcessDefinitionBpmnModel(processDefinition.getId());
@@ -772,6 +776,9 @@
        // 获得流程定义
        ProcessDefinition definition = processDefinitionService
                .getProcessDefinition(createReqVO.getProcessDefinitionId());
        if (definition == null) {
            throw exception(ErrorCodeConstants.PROCESS_DEFINITION_NOT_EXISTS);
        }
        // 发起流程
        return createProcessInstance0(userId, definition, createReqVO.getVariables(), null,
                createReqVO.getStartUserSelectAssignees());