[ openjms-Bugs-1164825 ] Out Of Memory Error

Bugs item #1164825, was opened at 2005-03-17 08:56
Message generated for change (Comment added) made by tanderson
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=474136&aid=1164825&group_id=54559

Category: server
Group: v0.7.6.1
>Status: Closed
>Resolution: Invalid
Priority: 5
Submitted By: anickles (anickles)
>Assigned to: Tim Anderson (tanderson)
Summary: Out Of Memory Error

Initial Comment:
I am attempting to write and read fairly large messages 
to and from a OpenJms message queue. I can read and 
write an endless number of messages that are 
1,256,000 bytes long. When I double the size, I can 
write and read approximately a dozen messages before 
getting the following error message:

Error [server - 9] - Failed to process message due to out 
of memory error java.lang.OutOfMemoryError. 

if I increase the size of the message to for example 
6,000,000 bytes, I get the above error on the first 
message. 

I have tried this on two machines, one with a half 
megabyte of memory and one with 2 megabyte of 
memory. The results appear to be the same.  

This leaves me with two questions. First, how can I 
configure OpenJMS to accept larger message sizes? 
Second, if I configure OpenJMS to use a database 
repository, does this problem go away?

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>Comment By: Tim Anderson (tanderson)
Date: 2005-03-20 00:19

Message:
Logged In: YES 
user_id=557161

First, don't use the JDBM. Use an RDBMS such as MySQL 
instead. The JDBM has proved to be not very reliable and won't 
be supported in the 0.7.7 release.

Second, you can increase memory available to the server by 
adding a line to your $OPENJMS_HOME/setenv.sh (or .bat) 
script e.g:

JAVA_OPTS=-Xmx256m


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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=474136&aid=1164825&group_id=54559


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