Re: AW: AW: java.lang.OutOfMemoryError

[Sez Sez]

Ok, I calculate the dimension of the object. This
object need 1.4 mb of RAM. It's too bigger! It was the
problem

Thanks!




 --- "Sprang, Henning (Firma CS)"
<[EMAIL PROTECTED]> escribió: > 
> 
> > -Ursprüngliche Nachricht-
> > Von: Raphaël Luta [mailto:[EMAIL PROTECTED]
> > Gesendet: Mittwoch, 31. März 2004 12:36
> > An: Jetspeed Users List
> > Betreff: Re: AW: java.lang.OutOfMemoryError 
> > 
> > 
> > Seems pretty obvious to me: buy or allocate more
> RAM to your 
> > appserver  
> > if you really
> > want to manipulate such large tables in memory.
> > Else use more advanced collection implementations
> or DB that won't  
> > create all objects in memory at once.
> 
> 
> if you already have enough ram, you still have to
> tell the jvm
> that it's allowed to use it. Therefore use the
> environment
> variable JAVA_OPTS. On Linux in my catalina.sh
> script i added
> a line like this:
> 
> JAVA_OPTS="${JAVA_OPTS}
> -Dsun.net.client.defaultConnectTimeout=200 -Xmx512m"
> 
> That gives the jvm a maximum of 512 MB RAM.
> 
> BTW: in development i experience, that after i
> compiled and deployed  my portal
> several times on tomcat 4.1.x, which works fine
> without any restarts, i evetually
> get Out of memory errors anyway, which i can solve
> by restarting tomcat.
> 
> Henning
> 
> 
> 
>
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AW: AW: java.lang.OutOfMemoryError

[Sprang, Henning (Firma CS)]

> -Ursprüngliche Nachricht-
> Von: Raphaël Luta [mailto:[EMAIL PROTECTED]
> Gesendet: Mittwoch, 31. März 2004 12:36
> An: Jetspeed Users List
> Betreff: Re: AW: java.lang.OutOfMemoryError 
> 
> 
> Seems pretty obvious to me: buy or allocate more RAM to your 
> appserver  
> if you really
> want to manipulate such large tables in memory.
> Else use more advanced collection implementations or DB that won't  
> create all objects in memory at once.


if you already have enough ram, you still have to tell the jvm
that it's allowed to use it. Therefore use the environment
variable JAVA_OPTS. On Linux in my catalina.sh script i added
a line like this:

JAVA_OPTS="${JAVA_OPTS} -Dsun.net.client.defaultConnectTimeout=200 -Xmx512m"

That gives the jvm a maximum of 512 MB RAM.

BTW: in development i experience, that after i compiled and deployed  my portal
several times on tomcat 4.1.x, which works fine without any restarts, i evetually
get Out of memory errors anyway, which i can solve by restarting tomcat.

Henning



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