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Im finding after a few weeks of GWT development my Development Mode compilations suddenly slow down at the stage where you see this in the Development Mode console log:

Validating newly compiled units

I've found a related question but this seemed a little vague compared to my issue

Eclipse getting too slow - workspace recreation helped

Since I lose window/toolbar layout settings (even if export/import prefs) and other useful things when I recreate the workspace I want to find out which files I can clean?

I've raised a bug with GWT..

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HaveAGuess
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  • Ive checked all my workspace files into Git locally, Im going to checkpoint regularly and see what happens to cause the corruption – HaveAGuess Dec 16 '11 at 12:32
  • I found 35Gb of generated GWT temp files which Ive cleared out, I'll be interested to see if that makes any difference.. – HaveAGuess Dec 16 '11 at 12:32
  • It doesnt, the issue is definitely localised to the eclipse workspace and recreating that (with all same settings) clears issue – HaveAGuess Jan 28 '12 at 10:13
  • This solved the issue for me: http://stackoverflow.com/a/19909401/1040124 – Jens Nov 11 '13 at 15:06

2 Answers2

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Another answer which really solved it in my case.

Is it possible that you are operating behind a proxy which has to be configured in Preferences->General->Network Connections (e.g. for installing plugins)?

That's true in my case but I had deactivated the proxy settings to reach the in-house SVN. As it seemed, the Validation routine always tries to download ui binder XSDs without success which takes a lot of time.

Concerning my comment in my first answer: yes, it run a lot faster after reinstallation but the reason was that I had to activate the proxy settings for reinstallation. Once I deactivated it again for an SVN commit, it ran slow again ;-)

rainer198
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  • Thanks, I actually tackled the validation performance issue seperately unfortunately this issue affects the compilation and run steps. There is something created in the eclipse workspace that causes it because if I re-create it, everything is fine again (no proxy settings changes) – HaveAGuess Jan 28 '12 at 10:07
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I have similar problems with Eclipse (Indigo Service Release 1 Build id: 20110916-0149) and the GWT plugin. Especially when starting Eclipse, Validating the GWT components in my project takes ages.

Googling revealed that the GWT designer in combination with a 64Bit Eclipse Indigo causes this issue.

http://code.google.com/p/google-web-toolkit/issues/detail?id=6602

I wil try to reinstall the GWT plugin without Designer.

rainer198
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