[Geoserver-users] OutOfMemoryError for geoserver 2.2.1

GeoServer GeoServer User
1

Hi there,
I had Geoserver 2.1.1. installed and want to update on 2.2.1. (Tomcat6 on
Debian Sqeeze).
I saved Data-folder and then installed the geoserver.war file by restarting
tomcat. Data is easy to restore, so I do not really care, whether I loose it
or not.

Login as root (with pwd at masterpw.info) or admin (with geoserver)
succeeds, but then I sometimes achieve to change passwords bevor getting an
error, sometimes not.

In the Logfile I find the Error:
2012-11-30 10:47:55,551 ERROR [wicket.Session] - Exception when
detaching/serializing page
java.lang.OutOfMemoryError: PermGen space

Geoserver tells me: Sorry, your session timed out ...

RAM ist now 1GB, but I do not notice a difference in behaviour. Geoserver
2.2.1. on my machine seems to be much slower than 2.1.1.

Anything else I need to do or that I can check?
  
Thanks for your help.

Gabriele

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2

http://docs.geoserver.org/stable/en/user/production/container.html

Try to set a bigger size for permanet generation

-XX:MaxPermSize=128m
as stated in the linked doc or higher

Kind Regards,

Stefano
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http://www.linkedin.com/in/stefanoiacovella

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2012/11/30 Gabriele Seitz <ml-seitz@anonymised.com>:

Hi there,
I had Geoserver 2.1.1. installed and want to update on 2.2.1. (Tomcat6 on
Debian Sqeeze).
I saved Data-folder and then installed the geoserver.war file by restarting
tomcat. Data is easy to restore, so I do not really care, whether I loose it
or not.

Login as root (with pwd at masterpw.info) or admin (with geoserver)
succeeds, but then I sometimes achieve to change passwords bevor getting an
error, sometimes not.

In the Logfile I find the Error:
2012-11-30 10:47:55,551 ERROR [wicket.Session] - Exception when
detaching/serializing page
java.lang.OutOfMemoryError: PermGen space

Geoserver tells me: Sorry, your session timed out ...

RAM ist now 1GB, but I do not notice a difference in behaviour. Geoserver
2.2.1. on my machine seems to be much slower than 2.1.1.

Anything else I need to do or that I can check?

Thanks for your help.

Gabriele

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3

Gabriele,

the PermGenSpace contains the classes, configurations, data etc.i.e. the
program, the heap which you define with -Xmx and -Xmx contains the objects
at runtime i.e. the working program and is separate from the permanent
space. The classes or templates for the objects are taken from the
permanent space and put onto the heap filled with the relevant values at
runtime and continually created with new values and destroyed if not needed
anymore. Please see:

http://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&ved=0CFUQFjAE&url=http%3A%2F%2Fwww.oracle.com%2Ftechnetwork%2Fjava%2Fjavase%2Fmemorymanagement-whitepaper-150215.pdf&ei=x9m7UKC_O4aAiQe11YHABQ&usg=AFQjCNFSYblAnBZ2obiu7mm3BpKhIUX07w
or

http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html

for a detailed description.
You might as well start with a decent perm size.

-XX:PermSize=96m
-XX:MaxPermSize=128m

-server has implicitly a MaxPermSpace=64m, if you do not change it.

Cheers

Christian

-----
____________________________

Dr Christian Maul
Project Manager

Information Services Branch
Department of Sustainability and Environment
Level13, Marland House, 570 Bourke Street
Melbourne 3000

PO Box 500, East Melbourne Vic 3002

Telephone: +61-3-8636 2325
Telefax: +61-3-8636 2813
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