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SwiftMQ FAQ Home Page

FAQ Manager is guru Andreas Mueller PREMIUM.

SwiftMQ is a fully JMS compliant, high performance, ultra-scalable JMS enterprise messaging platform, based on federated router networks. It is available at http://www.swiftmq.com

What's New

Is there a way to configure an interval in SwiftMQ which defines the time after which a message is redelivered from a queue to a message consumer?
Java:API:JMS, Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Nov 19, 2005
You can schedule a so-called Message Job to redeliver a received message whenever you want. There's an example on that page to schedule a message 2 hours...

How to reduce management traffic between a SwiftMQ Router network and SwiftMQ Explorer?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Nov 18, 2005
There are 2 main changes in the management tree: Entity adds/removals and attribute changes (e.g. Network Swiftlet throughput attributes). All changes...

Purging a queue. How do we purge all the messages through CLI command? I would like to purge messages from Durable subscriber queues. I tried with Queue Purger but it doesn't allow Queue Preicate. So...
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Sep 24, 2005
The CLI command is "remove". Look here. Example: router1/sys$queuemanager/usage> remove testqueue * Removes all messages from testqueue. This command...

How to run SwiftMQ as a NT Service?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Dec 17, 2002
You just have to use a program which wraps a Java program into a NT service. There are several of these wrapper available in the Internet. A quit good...

Can't connect from a remote JMS client: javax.jms.JMSException: error creating socket connection to xxxxx:4001, message: xxxxx
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Dec 5, 2002
It seems that the host "xxxxx" isn't reachable from your client. The router stores the hostname of the router within the connection factory. The client...

how big may large messages be with a good scalation?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Nov 6, 2002
Check this SwiftMQ 4.x How To: Transfering very large Messages

How can I integrate SwiftMQ 4.x into JOnAS 2.6?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Nov 6, 2002
See this How To: SwiftMQ 4.x/JOnAS 2.6 IntraVM

How can I integrate SwiftMQ 4.x into JBoss 3.0.3?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Nov 6, 2002
See this How To: SwiftMQ 4.x/JBoss 3.0.3 IntraVM

How can I implement high availability with SwiftMQ?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Oct 20, 2002
SwiftMQ HA Router provides High and Continuous Availability. Look here for detailed information.

Windows XP, SwiftMQ 3.2.0 and BEA JRockit VM 7.0. We have been testing the JRockit VM and had very good results with our system, however we have a problem using SwiftMQ on JRockit with -Xthinthreads....
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Oct 1, 2002
JRockit 7.0 isn't supported under Windows XP. Only Windows 2000 SP2 and Linux are supported. It has been figured out with BEA support, that the reason...

Message expiry: I am sending (topic) messages with a TTL of 60 secs, but my durable consumer can pick these up upto approx(?) 120 secs later. Is this extended longevity the intended behaviour?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Aug 30, 2002
This is intended. SwiftMQ's approach to cleanup expired messages is to perform that in intervals you specify in the default cleanup interval attribute...

Multiple consumers per queue: Is it possible to have multiple queue consumers on a single connection? I tried this creating multiple sessions but the messages often just go to the first listener I created...
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Aug 1, 2002
How many messages a consumer receives depends on the attribute "smqp-consumer-cache-size" of the connection factory you lookup. The default is a cache...

Running SwiftMQ router as a service component inside JBoss. Does 3.0 provide better support to run the router as a component inside of an app server? We are currently using JBoss as the base container...
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Mar 20, 2002
Ok, with 'embedded' I meant an intra-VM JMS client plus the start/stop stuff. These basic start/stop is already there and documented in the Swiftlet API...

Long connection close times. I am running some point-to-point performance tests using the latest SwiftMQ and notice that when the test is over and the code calls the QueueConnection.close() method it...
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Mar 13, 2002
There is a bug report @ Javasoft for this with a workaround: Bug ID 4344135

How can I integrate SwiftMQ 3.x into JBoss 3.x?
Distributed computing:Server-side:SwiftMQ
Andreas Mueller PREMIUM, Mar 2, 2002
You need SwiftMQ 3.x plus the JMS XA/ASF Swiftlet. A detailed description of the required changes to the JBoss config files is provided in the JMS XA/ASF...

Can I restrict access between routers of a network, e.g. a router can only send to particular queues/topics of a remote router?
Distributed computing:Server-side:SwiftMQ
Nicholas Whitehead, Jan 30, 2002
SwiftMQ has a local authentication design where each router in a router network has to be a trusted router of the network. Each router serves as en...

How are durable subscriptions handled in a router network?
Distributed computing:Server-side:SwiftMQ
Nicholas Whitehead, Jan 29, 2002
All Topic Manager Swiftlets in a router network are working federated. They exchange subscription messages on a "some/none" base. That means, they...

My SwiftMQ router router1 is listening on port 4001. How do I change the port it listens on ?
Distributed computing:Server-side:SwiftMQ
Nicholas Whitehead, Jan 28, 2002
There are two ways. Launch the SwiftMQ explorer, connect to the router and navigate to JMS Swiftlet/Listeners. Select the listener you want to modify,...

Why do I get this message when I try to connect to a queue ? javax.jms.InvalidDestinationException: Queue '<queueName>' is not local! Can't create a Consumer on it!
Distributed computing:Server-side:SwiftMQ
Nicholas Whitehead, Jan 28, 2002
There are two reasons why this may happen: The queue is on another router and you try to create a receiver on your local router on that remote queue....

What is a Swiftlet?
Distributed computing:Server-side:SwiftMQ
Nicholas Whitehead, Jan 25, 2002
SwiftMQ is based on a framework of components named Swiftlet(R). It is differentiated between Kernel and Extension Swiftlets. Kernel Swiftlets provide...

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