Why Eclipse’s “Check for Updates” is horribly slow (and how to fix it)

Posted by on Sep 29, 2011 in Uncategorized | 7 Comments

I recently installed Eclipse Indigo. I wanted to add a few plugins to it, so I tried to use the UI to check for new updates and install some new packages. I let it run for a while, and after about 45 minutes, it looked to be about 20% done. Eventually, it displayed a few errors about timing out.

The issue is that Eclipse appears to be trying to contact mirrors that don’t have a proper copy of all the files it’s expecting. My solution was to invoke eclipse with the following flag. Add it after “eclipse”, or in eclipse.ini
-Declipse.p2.mirrors=false

7 Comments

  1. Brad
    Monday, 31 October 2011

    For the love of all that is holy, THANK YOU!

  2. Dan Green
    Wednesday, 30 May 2012

    Words cannot describe how awesome you are…

  3. Sergey
    Thursday, 7 June 2012

    Unbelievable! Eclipse has been upgrading for 10 hours. But when I added this option It had completed in ten minutes.

    Thank you very much.

  4. Guillaume
    Monday, 11 June 2012

    Thanks for the tip ! It was so slow before, I was wondering why causes it.

  5. Why Eclipse's “Check for Updates” is horribly slow (and how to fix it … | Laughing
    Wednesday, 20 June 2012

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  6. Fiona Coulter
    Friday, 10 May 2013

    Thanks. I was trying to update eclipse, it kept getting stuck trying to download one particular file. Very frustrating! This solved the problem

  7. Rein
    Monday, 19 August 2013

    Unbelievable indeed: instead of days of upgrading/downloading additional plugins, it now takes only a couple of minutes (for my helios version of eclipse).
    Thanks, thanks, thanks….

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