On 18 Apr 2008, at 06:26, Aidan wrote:
Hi,
I am using ActiveMQ 5 and am having an issue with my server (running
embedded broker) hitting a deadlock with in
MemoryUsage.waitForMemory. I
have read the JIRA defects for this, however I have a question about
how I
am using Producers in ActiveMQ (the file-system Cursor seems like it
would
work nicely, but appears to only be configurable from the XML files,
whereas
I use ActiveMQ and programatically configure it).
Each time I want to send a message to the server from my client I
create a
new Producer, send the message and close the producer. One of my co-
workers
said that he thinks that this sounds like an anti-pattern. After using
JProfiler and seeing how many ProducerId objects are created (and
don't
appear to be garbage collected).
So my question is: Should I be creating one producer per queue/topic
and
re-using it, or am I able to create one-per-request?
Cheers,
Aidan
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Say thanks to your co-worker! It is an anti-pattern.
Please re-use your producers - you don't even need one per
destination - create a Producer with a null Destination - e.g.
Message producer = session.createProducer(null)
cheers,
Rob
http://open.iona.com/ -Enterprise Open Integration
http://rajdavies.blogspot.com/
