SSIS Data Flow Task hangs on excecution of Pre-excecute phase

Question

I have a Data Flow Task that is hanging on excecution.
The flow is simple, makes two queries to different tables (Both with a couple of joins), then sorts and merges th

Answer 1

Hope this helps someone. I was trying to use this OLE DB Source to execute a SP with a param. I didn't need it to return anything, so I left that part out. But it wouldn't let me, it yelled 'no column information was returned by the sql '. So configured a dummy sql statement in my SP, which I set to never true. But it never got that column as output and the job just hung on pre-execution phase. So I changed that test to always be true, it returned the column, and presto. I do nothing with the column, but I guess it's needed there.