移至收件箱 更多操作 第1封，共81封 what scene can lead to running oozie action be suspended automaticly (except manual setting)?

[王猛]

Hi :
  Sometimes  I find my running oozie action was  suspended automaticly by
oozie for different reasons , I am a little confused.
   Is there any material about  automaticly suspend of action？Thank.