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From Alex Muc <alex....@utoronto.ca>
Subject Out of Memory Error
Date Sun, 19 Nov 2000 21:32:23 GMT
Hi,

Sorry for posting this message to both lists, but I wasn't sure which 
list was more appropriate and I'd also like to reach the largest number 
of people with this message.

I've been bit recently by the Out of Memory error which some users have 
been reporting when using Cocoon under various setups.  I'd be very 
interested in seeing the problem solved.  I searched through the 
archives and I didn't find any solutions but if someone knows the answer 
to the problem please tell me about it.

Anyways, in an effort to try and fix this problem I would like to get as 
complete a set of details about all the various platforms that it has 
occurred on a possible.  Hopefully then we can try and track it down.  
So, if anyone who has experienced this problem could spend a couple of 
minutes to fill out the following then we can try and find a solution:

Cocoon version:
Servlet Container and version:
JDK version:
Operating System and version:
Integeration with Apache:
Running time before failure:
Number of requests before failure:
Uses JDBC:
JDBC Driver and version and level:
Other description:

Based on my experience with the problem and the tests that I've done it 
seems like it is a problem with the servlet container but I don't know 
for sure.

Anyways, the following is the description for my system:
Cocoon version: 1.8
Servlet Container and version: Jakarta-tomcat 3.1 final
JDK version:  Sun 1.2.2
Operating System and version: Win98
Integeration with Apache: via mod_jserv
Running time before failure: 12 hours
Number of requests before failure: 1.5 million
Uses JDBC: yes
JDBC Driver and version and category:  MM_mysql Driver, 1.1b, Category 4
Other description: The problem only ever appeared after I was doing some 
stress testing on my web app.  Using the JMeter test harness is when the 
problem first appeared.  Most of my XSP pages are pretty short.  They do 
draw information out a database but that info gets cached after the 
first access so actual database usage is pretty minimal.


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