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Asked: 2026-06-03T07:41:40+00:00

I’m using Guice 3 on Google App Engine 1.6.4. Today, I saw something bad

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I’m using Guice 3 on Google App Engine 1.6.4. Today, I saw something bad on my startup time. My application (local launching) took 12 sec to start.

I got one ServletModule where I’m writing all my bindings in the configureServlets method.
When I left this method empty, my application take 3 sec to start.

This method contains ~30 binding, 3 MultiBinder and 1 mapBinder…

  • Is it a normal starting time ? (~9s)
  • How to profile Guice processing ? (log,etc..)
  • Is there some good practices to optimize Guice startup ?

Thanks!

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1 Answer

  1. Editorial Team

    Switching to Google App Engine 1.6.3 or 1.6.5 solve the problem. It seems that it’s a Google App Engine 1.6.4 issue.
    Thanks for your help !

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