Heap out of memory error

[Bob Riaz <br...@mum.edu>]

Hi all,

I have web apps using the following:
JDK 1.5
Tomcat 6
SQL Server 2000
Windows 2000 server

>From time to time I have come across this error in the Tomcat logs:
java.lang.OutOfMemoryError: Java heap space

I understand the default heap size is 64M, and that it is possibe to
configure Tomcat with a larger heap size. Would any one know how this is
done? The instructions I've found on the web so far have not been helpful.

Thanks.

-bob



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RE: Heap out of memory error

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: Bob Riaz [mailto:briaz@mum.edu] 
> Subject: Heap out of memory error
> 
> From time to time I have come across this error in the Tomcat logs:
> java.lang.OutOfMemoryError: Java heap space

If you're running Tomcat as a Windows service, use the tomcat6w.exe
program to set initial and maximum heap sizes.  If you're not running as
a service, set JAVA_OPTS to include the -Xms and -Xmx parameters.

And when you need something to put yourself to sleep, browse through
this:
http://java.sun.com/javase/technologies/hotspot/gc/index.jsp

 - Chuck


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