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From "Guillaume Deshors (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIVOT-860) CPU Usage at 100% when displaying an Expander
Date Fri, 22 Jun 2012 15:14:42 GMT
Guillaume Deshors created PIVOT-860:
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             Summary: CPU Usage at 100% when displaying an Expander
                 Key: PIVOT-860
                 URL: https://issues.apache.org/jira/browse/PIVOT-860
             Project: Pivot
          Issue Type: Bug
    Affects Versions: 2.0.2
         Environment: Windows XP, reproduced on Java 6 (various versions) and Java 7
            Reporter: Guillaume Deshors
            Priority: Minor


When displaying an Expander component, the CPU usage immediately goes up and stays at 100%
as long as the component is displayed (even if the window is background, reduced or whatever).
To be precise, I really had 50% because I have a dual core : one of the core was 100%.

Reproduced on 3 different computers, all Windows XP, with Java 6 and 7.
Reproduced in applet and in standalone application shape.

Steps to reproduce : 
1/ go to http://pivot.apache.org/tutorials/sample-application.html
 -> CPU is normal, say 5%
2/ click on "navigation" to see the expander
 -> CPU is at 100%, at least one of the cores.

Alternative : just go to http://pivot.apache.org/tutorials/expanders.html and expect the same.


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