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Memory problems with 3.4/3.5 on Mac OSX [message #483375]

Tue, 01 September 2009 07:58

Eclipse User

I'm having difficulty with running Eclipse (3.4 and also 3.5) on Mac OSX (10.5).

In the past I've found that I can get away with the default Xms Xmx settings (40M and 256M) and it will perform acceptably. However, my code base has recently grown much larger and I'm finding that I'm running in OutOfMemory errors.

The obvious solution is to increase my Xms/Xmx. However when I do this the Java Type Content Assist proposals suddenly stop working. For me, it's like any deviation from the defaults causes these problems.

My machine has 2GB of RAM.

Is there a known correlation between the two? Has anyone else experienced this or similar problems with the Content Assist?

Thanks,

Damian.

Re: Memory problems with 3.4/3.5 on Mac OSX [message #483413 is a reply to message #483375]

Tue, 01 September 2009 10:28

Eclipse User

I had this problem once.

It was related to PermGen space.
Try those arguments : -XX:PermSize=256m -XX:MaxPermSize=256m

Damian Harvey a écrit :
> I'm having difficulty with running Eclipse (3.4 and also 3.5) on Mac OSX
> (10.5).
>
> In the past I've found that I can get away with the default Xms Xmx
> settings (40M and 256M) and it will perform acceptably. However, my code
> base has recently grown much larger and I'm finding that I'm running in
> OutOfMemory errors.
>
> The obvious solution is to increase my Xms/Xmx. However when I do this
> the Java Type Content Assist proposals suddenly stop working. For me,
> it's like any deviation from the defaults causes these problems.
>
> My machine has 2GB of RAM.
>
> Is there a known correlation between the two? Has anyone else
> experienced this or similar problems with the Content Assist?
>
> Thanks,
>
> Damian.

Re: Memory problems with 3.4/3.5 on Mac OSX [message #483427 is a reply to message #483375]

Tue, 01 September 2009 11:12

Eclipse User

"Damian Harvey" <damianharvey@gmail.com> wrote in message
news:h7j29n$5rj$1@build.eclipse.org...
> I'm having difficulty with running Eclipse (3.4 and also 3.5) on Mac OSX
> (10.5).
>
> In the past I've found that I can get away with the default Xms Xmx
> settings (40M and 256M) and it will perform acceptably. However, my code
> base has recently grown much larger and I'm finding that I'm running in
> OutOfMemory errors.
>
> The obvious solution is to increase my Xms/Xmx. However when I do this the
> Java Type Content Assist proposals suddenly stop working. For me, it's
> like any deviation from the defaults causes these problems.

FWIW, both of those Eclipse versions work fine for me on 10.5.8,
with -Xmx1024M.

What JVM version are you using?

What are the contents of your eclipse.ini, and how are you launching
Eclipse?

Re: Memory problems with 3.4/3.5 on Mac OSX [message #483585 is a reply to message #483427]

Wed, 02 September 2009 04:56

Eclipse User

Thanks for your replies.

I'm using the default Eclipse 3.5 JEE installation. My (unchanged) eclipse.ini looks like this:

-startup
../../../plugins/org.eclipse.equinox.launcher_1.0.200.v20090520.jar
--launcher.library
../../../plugins/org.eclipse.equinox.launcher.cocoa.macosx_1.0.0.v20090519
-product
org.eclipse.epp.package.jee.product
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
-vmargs
-Dosgi.requiredJavaVersion=1.5
-XstartOnFirstThread
-Dorg.eclipse.swt.internal.carbon.smallFonts
-XX:MaxPermSize=256m
-Xms40m
-Xmx512m
-Xdock:icon=../Resources/Eclipse.icns
-XstartOnFirstThread
-Dorg.eclipse.swt.internal.carbon.smallFonts

If I close the projects that contain the large source files then the Content Assist is back up to speed. Unfortunately I need these projects open often during the day.

Is there any way to tell Content Assist to ignore them?

Thanks.

Re: Memory problems with 3.4/3.5 on Mac OSX [message #483600 is a reply to message #483375]

Wed, 02 September 2009 05:54

Eclipse User

This is the error message that I am frequently getting. It does not matter what I change the proposals too (eg. changing it to Type etc).

http://locuslive.com/webdrive/JDTscreenshot.png

I am launching Eclipse via the standard Eclipse.app

Re: Memory problems with 3.4/3.5 on Mac OSX [message #483608 is a reply to message #483427]

Wed, 02 September 2009 06:08

Eclipse User

Can you post your entire eclipse.ini so I can shamelessly copy it ?

Re: Memory problems with 3.4/3.5 on Mac OSX [message #483686 is a reply to message #483600]

Wed, 02 September 2009 11:06

Eclipse User

On 9/2/09 5:54 AM, Damian Harvey wrote:
> This is the error message that I am frequently getting. It does not
> matter what I change the proposals too (eg. changing it to Type etc).
>
>
> I am launching Eclipse via the standard Eclipse.app

The attachment of the error message did not make it through to the
newsgroup, but it is visible in the web forum here:
http://www.eclipse.org/forums/index.php?t=msg&th=153472& amp;goto=483375#msg_483600

Since it is Mylyn that is causing the trouble, one option is to disable
Mylyn's contribution to content assist. In the preferences, navigate to
Java > Editor > Content Assist > Advanced and then un-check any of the
options that include "Mylyn" or "Task-focused" in their name.

It would be very helpful if you could post the problem to the Mylyn
newsgroup (eclipse.tools.mylyn); they might like to have a bug report
about it.

Hope this helps,
Eric

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