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POHow do I configure Warming Requests avoiding errors 404 on app's log?
 

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  1. POHow do I configure Warming Requests avoiding errors 404 on app's log?
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    <p>I have enabled <a href="http://code.google.com/intl/it/appengine/docs/python/config/appconfig.html#Warming%20_Requests" rel="nofollow">Warming Requests</a> to my app, adding the following directive in <code>app.yaml</code>.</p> <pre><code>inbound_services: - warmup </code></pre> <p>Looking at app's log I see several entries of this kind:</p> <blockquote> <p>1. 01-05 02:49PM 50.037 /_ah/warmup 404 300ms 280cpu_ms 1kb See details</p> <pre><code>0.1.0.3 - - [05/Jan/2011:05:49:50 -0800] "GET /_ah/warmup HTTP/1.1" 404 1188 </code></pre> <p>2. I 01-05 02:49PM 50.336</p> <p>This request caused a new process to be started for your application,<br> and thus caused your application code to be loaded for the first time.<br> This request may thus take longerand use more CPU than a typical request<br> for your application.</p> </blockquote> <p>This makes sense because the <em>Warming Requests</em> documentation says:</p> <blockquote> <p>This causes the App Engine infrastructure to issue GET requests to /_ah/warmup. You can implement handlers in this directory to perform application-specific tasks, such as pre-caching application data.</p> </blockquote> <p>AFAIK <code>ah</code> is a <a href="http://code.google.com/intl/it/appengine/docs/python/config/appconfig.html#Reserved_URLs" rel="nofollow">reserved URL</a>, i.e. script handler and static file handler paths will never match these paths!</p> <p>Should I simply add the <code>ah/warmup</code> route associating it to an empty web handler for example? Is this correct?</p>
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