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POHTML5 Javascript/jQuery Video MEDIA_ERR_NETWORK on localhost
 

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  1. POHTML5 Javascript/jQuery Video MEDIA_ERR_NETWORK on localhost
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    <p>I have a web application which is intermittently producing an error when using <code>Chrome 30.0.1599.101 m</code>.</p> <p>I am using the HTML5 <code>&lt;video /&gt;</code> tag and controlling the <code>src</code> attribute using <code>javascript</code>.</p> <p>The page which is causing the error sometimes errors on the first video or on the seventh. There is no predictable pattern.</p> <p>Here is the <code>javascript</code> which handles the <code>src</code>:</p> <pre><code>var playing = false; var media = $('#video')[0]; function initModule() { $.ajax({ url: recap, type:'HEAD', error: function(){ screenNotify('Error!', false, "404: Module video content could not be found." + recap, true); }, success: function() { media.src = recap; registerListeners(media); media.load(); } }); } function registerListeners(listen) { listen.addEventListener('ended', hide_recap); listen.addEventListener('error', mediaError); } function mediaError(event) { screenNotify('Media Error!', false, "Media failed with code: " + event.currentTarget.error.code, true); } function play_recap() { if (!playing) { playing = true; media.play(); } } function hide_recap() { if (playing) { playing = false; media.pause(); media.currentTime = 0.0; } } </code></pre> <p>Interestingly, there is no error thrown when I call <code>media.load()</code>, instead, you need to look at the network requests to see that the <code>GET</code> has actually produced a result of <code>(failed)</code>.</p> <p><img src="https://i.stack.imgur.com/D17Zi.png" alt="enter image description here"></p> <p>Another thing to note, is this <code>GET</code> status only occurs for videos which reside within this particular folder location: <code>/interactive/vids/recap/</code>. The error does not occur anywhere else within the application.</p> <p>Finally, the last thing which is strange about this error, is when the application finally attempts to play the video from <code>play_recap()</code>, about 1 second of the video will actually play, followed by an error being thrown on the <code>video</code> element. </p> <p>The error is <code>MEDIA_ERR_NETWORK</code> however this application is installed locally on a <code>Tomcat</code> server and is running under <code>localhost</code>.</p> <p>So why is the <code>GET</code> request producing <code>(failed)</code> and the <code>HTML5</code> <code>&lt;video&gt;</code> element producing a <code>MEDIA_ERR_NETWORK</code> when everything is only ever running on <code>localhost</code>?</p>
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