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2007-12-04 21:57:00

Alfresco and the Mysterious "OutOfMemoryError: PermGen space"

When starting Alfresco after making changes to the .war file, it appears to start and it is possible to access the login page and log in, but all other actions result in a server error. The error logs then contain messages like this:

09:25:01,313 ERROR [org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/alfresco].[jsp]] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError: PermGen space

Solution: explicitly specify an amount of memory which can be used with e.g. -XX:PermSize=128m as a server option. Under Linux etc. this can be added to the JAVA_OPTS setting in the alfresco.sh script, if this is being used to control the application server.

Posted at 2007-12-04 21:57:00 |Comments (2)

Comments
I tried setting the PermSize to 128 as suggensted for Alfresco 3.1 Enterprise and it failed. 128 was too small.

I ended up using MaxPermSize and setting it to 512m
example: -XX:MaxPermSize=512m

No more out of memory errors after that.
Posted by: Phill | 2009-08-12 15:40
Thanks for the note. The original post was for Alfresco 2.1, so presumably the appropriate values have changed a bit since then.
Posted by: iBarwick | 2009-08-15 00:10