dts error

错误信息：

      Executed as user: HONEYWEL-F35EFA\Administrator. DTSRun:  Loading...   DTSRun:  Executing...   DTSRun OnStart:  DTSStep_DTSExecuteSQLTask_1   DTSRun OnFinish:  DTSStep_DTSExecuteSQLTask_1   DTSRun OnStart:  DTSStep_DTSDataPumpTask_1   DTSRun OnError:  DTSStep_DTSDataPumpTask_1, Error = -2147467259 (80004005)      Error string:  ORA-12170: TNS:Connect timeout occurred      Error source:  OraOLEDB      Help file:        Help context:  0      Error Detail Records:      Error:  -2147467259 (80004005); Provider Error:  12170 (2F8A)      Error string:  ORA-12170: TNS:Connect timeout occurred      Error source:  OraOLEDB      Help file:        Help context:  0      DTSRun OnFinish:  DTSStep_DTSDataPumpTask_1   DTSRun:  Package execution complete.  Process Exit Code 1.  The step failed.