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Mon, 19 September 2005 15:54

Eclipse User

Hello all,

I'm running Eclipse 3.1 on my iBook (Mac OS 10.4.2).

I run the Swing application I am creating, which is pretty bog standard
and rather small at the moment. A simple JFrame is called, with a few
components. When I quit the application (OPTION-Q), and return to my
editor, everything is slow. There is a lag even with typing. Code
completion lag is extremely noticeable.
The most obvious effect is scrolling. After a single run of my
application, scrolling is no longer smooth - it is now reduced to ~2fps!

Simply restarting Eclipse solves this problem, but it is rather irritating
having to do this every time I "Run".

No special "Run" settings were used. I experience the same effect with
1.4.2 and 1.5 JVM. Other than that, I really cant give any more
information to help you I'm afraid.

Thanks

Re: Slowdown after "Run" [message #291575 is a reply to message #291557]

Tue, 20 September 2005 09:15

Eclipse User

Originally posted by: automatic.javalobby.org

I seem to recal there being a known problem on the Mac VM about this. What version of java are you using? (java -version from Terminal.app). There was an update for Java a few days ago that probably required a restart... don't know if that may have caused the problem.

Re: Slowdown after "Run" [message #291618 is a reply to message #291575]

Wed, 21 September 2005 03:53

Eclipse User

No luck I'm afraid. I have just finished installing that update you
mentioned (available through "Software Update...." on the menubar.

My old version:
java version "1.4.2_07"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_07-215)
Java HotSpot(TM) Client VM (build 1.4.2-50, mixed mode)

My new version:
java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-232)
Java HotSpot(TM) Client VM (build 1.4.2-54, mixed mode)

I can also confirm that this is not necessarily an Eclipse issue - when I
run the program at the command prompt, the same thing happens to Eclipse.
Therefor, could somebody refer me to the right place to report a bug?

Thanks

Re: Slowdown after "Run" (on Mac OS X) [message #291620 is a reply to message #291618]

Wed, 21 September 2005 06:18

Eclipse User

Originally posted by: automatic.javalobby.org

Bug reports for Eclipse are at http://bugs.eclipse.org (free registration required).

Bug reports for Apple are at http://bugreport.apple.com (ADC membership required, maybe free registration also)

In any case, this is bug is already on the radar (sic) at both Eclipse and Apple:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=95475

It's a Mac OS X bug, as opposed to an Eclipse bug. There are reports that it's to do with quitting a second app whilst Eclipse is/isn't in the foreground:

"If I run my app in Eclipse and quit from inside my app, performance immediately goes down the tubes. If instead, I terminate the app from inside Eclipse, things remain fine."

I don't know if that information is of any use to you ... hopefully 10.4.3 (which alledgedly fixes this) will be out in the next couple of weeks.

Re: Slowdown after "Run" (on Mac OS X) [message #291664 is a reply to message #291620]

Wed, 21 September 2005 12:48

Eclipse User

Thanks for your help - this sounds exactly like the problem I am having.
Cheers

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