启动工作流失败,显示.]这个参数连接是在会话中给目标添加连接中使用的,我之前在连接中配置了一个,但是那个可以选择类型里面有一个Greenplun Connection,但是我在会话中给目标添加连接的时候就没有这个类型了,我就写了一个参数但是好像不太行,这个是为什么呢具体的一个执行错误是这样的Link : empty expression string, evaluated to TRUE.Session task instance is waiting to be started.Session task instance : started a process with pid on node .Session task instance : Execution started.Session task instance : Session task instance : DTM with process id is running on node .Session task instance : Session task instance : .]Session task instance : . It took seconds.]Session task instance : in domain as user in security domain .]Session task instance : .]Session task instance : . It took seconds.]Session task instance : ]Session task instance : .]Session task instance : ]Session task instance : Session task instance : ]Session task instance : Session task instance : Execution failed.Workflow : Execution succeeded.