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I have a mp4 that I would like to play in Chrome. The mp4 is stored on s3 and has a url like http://bucket.s3.amazonaws.com/vid.mp4

Now when I put that url into Chrome 27.0.1453.94 the video plays. When I open a second tab and put the url in, the video doesn't play. Then if I close the first tab, the second tab video immediately beings to play. I can open an incognito mode browser and get the video to play.

I'm pretty stumped as to what is causing this. Any ideas or suggestions? This is part of a larger web app is how I detected the problem.

I'm using Windows 8.

EDIT: here is a link where the issue is reproducible with http://www.tools4movies.com/dvd_catalyst_profile_samples/The%20Amazing%20Spiderman%20bionic.mp4

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Do both play if you open different MP4 videos in each tab? What about when you use other video formats? Which OS? –  techie007 May 28 '13 at 19:54
    
Since this file is stored on a server in that manner, is there any possibility that the file is being opened with R/W permissions which would lock the file for "editing"? –  Will.Beninger May 28 '13 at 19:54
    
@techie007 if I open different videos in different tabs, both play. Windows 8 –  Alexis K May 28 '13 at 19:56
    
@Will.Beninger I don't think s3 allows for that –  Alexis K May 28 '13 at 19:57
    
What about when you use other video formats? What about other browsers? –  techie007 May 28 '13 at 20:03
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