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From Christopher Schultz <ch...@christopherschultz.net>
Subject New behavior of Oracle Java 1.7.0_25: AWT thread and console icon
Date Fri, 21 Jun 2013 16:28:43 GMT
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All,

I just upgraded to 1.7.0_25 on my Mac and I noticed that when I launch
Tomcat, I get a dock icon indicating that it is running. This does not
happen on 1.7.0_21, the previous version I was running.

For some reason, 1.7.0_25 triggers something launching the AWT thread
(on my Mac, that's called AWT-AppKit) which causes the dock icon to be
shown.

Removing the dock icon is easy enough: just run in headless mode by
adding this system property to CATALINA_OPTS:

   -Djava.awt.headless=true

Or, if you want your icon to look pretty (it is otherwise completely
useless), you can use these two system properties (on Mac OS) to style it:

   -Xdock:name=[title of icon you want]
   -Xdock:icon=path to icon file to use

I'm not sure what properties to set on Windows, Gnome, KDE, or any
other system.

Hope that helps,
- -chris
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