FMS stop recording video in middle of recording

I am trying to record the h.264 long video through fms server side code(more than 2 hour), but video recording is stopped before I stop publishing the video, and it’s not throwing any error in server side as well as client side, I have given the video recording code

stream=Stream.get("mp4:testStream.f4v");

  if(stream)

  {

  stream.record("append");

  stream.play(streamName, -1, -1);

  }

and recorded video also not playing fine, its stuck in middle. should I need to modify anything? Any help are appreciated......