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Eclipse java heap allocation [message #548173]

Tue, 20 July 2010 18:58

Eclipse User

Hi,
I have a problem with creating a large int array.
int[] solutions = new int[50000000];
In Eclipse 3.4.1 with JRE6 compiler reports:

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

I have modified eclipse.ini but this has not been effective. Currently eclipse.ini contents are:

-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256M
-framework
plugins\org.eclipse.osgi_3.4.2.R34x_v20080826-1230.jar
-vmargs
-Dosgi.requiredJavaVersion=1.5
C:\Program Files (x86)\Java\jre6\bin\javaw.exe
-Xms1024m
-Xmx1024m

Hoping someone can help.

Re: Eclipse java heap allocation [message #548210 is a reply to message #548173]

Wed, 21 July 2010 02:19

Eclipse User

Hi Bobfin,

How is this related to Buckminster?

- thomas

On 07/21/2010 12:58 AM, bobfin wrote:
> Hi,
> I have a problem with creating a large int array.
> int[] solutions = new int[50000000];
> In Eclipse 3.4.1 with JRE6 compiler reports:
>
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
>
> I have modified eclipse.ini but this has not been effective. Currently
> eclipse.ini contents are:
>
> -showsplash
> org.eclipse.platform
> --launcher.XXMaxPermSize
> 256M
> -framework
> plugins\org.eclipse.osgi_3.4.2.R34x_v20080826-1230.jar
> -vmargs
> -Dosgi.requiredJavaVersion=1.5
> C:\Program Files (x86)\Java\jre6\bin\javaw.exe
> -Xms1024m
> -Xmx1024m
>
> Hoping someone can help.
>
>

Re: Eclipse java heap allocation [message #548276 is a reply to message #548173]

Wed, 21 July 2010 06:12

Eclipse User

Originally posted by: r.zozmann.exxcellent.de

Hi Bobfin,

it seems to be that in the newest JRE 1.6 update release the declaration
--launcher.XXMaxPermSize... isn't enough. I don't know whether the
launcher has problems to propagate that setting to the VM or the syntax
on calling the VM is changed by Oracle...
Anyway, i have one additional setting in my eclipse.ini:
-XX:MaxPermSize=256M

(after -Xmx1024m).

Regards
Ralf

Am 21.07.2010 00:58, schrieb bobfin:
> Hi,
> I have a problem with creating a large int array.
> int[] solutions = new int[50000000];
> In Eclipse 3.4.1 with JRE6 compiler reports:
>
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
>
> I have modified eclipse.ini but this has not been effective. Currently
> eclipse.ini contents are:
>
> -showsplash
> org.eclipse.platform
> --launcher.XXMaxPermSize
> 256M
> -framework
> plugins\org.eclipse.osgi_3.4.2.R34x_v20080826-1230.jar
> -vmargs
> -Dosgi.requiredJavaVersion=1.5
> C:\Program Files (x86)\Java\jre6\bin\javaw.exe
> -Xms1024m
> -Xmx1024m
>
> Hoping someone can help.
>
>

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