When there are messages back-logged in the broker waiting to be sent to the subscribers, we see that the memory on our server (i.e. IMQ client) increases drastically. Why should the client's memory go up when messages are blocked on the broker?We are facing a serious memory problem because of ...

I have some code about ConnectionConsumer that works fine with J2EE JMS.When I tested them with iMQ, I got following "Resource in conflict" errormessage. If I run some other examples without ConnectionConsumer, they workfine. Therefore, I like to know if iMQ support ConnectionConsumer? And ...

I still have acouple of generic questions. The message listener is added to the session which is not specific to anyparticular Queue. This could imply that the listener will receive messagesfor all queue's that are associated with the queue connection.Is there any guarantee that for all JMS ...

do we or will we provide SNMP support for iMQ?

I am using IMQ for a use case, i have three question for imq:1.I make a broker or connection factory for all of my use case, or i make more brokers or connection factories for functions in one use case? if i don't use object store,when i send a msg i will create a connection factory every ...

My main concern is what the number of concurrent client connections (in a single instance) iMQcan handle? This also depends on Hardware/Software configuration, JVM version (if it pure Java implementation), etc. But it also depends on Vendor implementation. For example FioranoMQ claims that can ...

I downloaded iPlanet Message Queue for Java 2.0. I am trying to run theexample SimpleChat.java. I have installed iplanet on two machines (bothwith typical install on Windows NT). If I open two sessions on the samemachine and run SimpleChat on both the sessions, i am able to exchangemessages b/w ...

Does the Application Server support the notion of clustered or replicated JMS queues? Would this be another product in the iPlanet family? Specifically, our problem would be a situation with 2 clustered application servers, A and B. Server A has queues 1 and 2. Server B has queues 3 and 4. An ...

The Admin console GUITool ( Swing based) looks good. But it seems to miss he feature where I can click on destinations and click on one of the primary queues and drill down to see the messages inside the queue. Is there other tool that I need to download to be able to browse the queue messages? ...

We are using iMQ to send a message that will invoke a translet. One of ourrequirements is to be able to cancel translets and specific messages once amessage has been sent to the broker. For example, lets say three messagesare sent to a broker, message 1, message 2 and message 3.While all ...

I tried to use a Sybase database for pluggable persistence, but could not createthe required tables.I created a Sybase login/password for jmq, created a database within the dataserver,changed that database to ownership by jmq's login, set the default for that loginto that database, and ...

I am using iPlanet Message Queue for Java version 2.0 for a messagingapplication. I have a publisher and a subscriber who subscribe to the sameTOPIC. I am using Publish-Subscribe messaging . The publisher publishes amessage to the topic and the subscriber picks it up. I have set themessage ...

Our business requirement mandates that we have to use tunneling in a SECURE way, i.e. we have to use HTTPS tunneling. Certainly this requires JMQ client code to open SSL socket instead of plain socket and also requires Web server to be configured and provides some management function to deal ...

I recently installed iPlanet Message Queue 2.0 on two machines. I haveseveral of questionsUsing the administrator, I have set up iMQ Object Stores on my machine. Iam assuming that the broker is on another machine. I have setup ObjectStores as well as Brokers on that machine. Should I set up and ...

I ran 111858-01 patch install, however, keep getting the followingerror:/var/sadm/patch/111858-01/log-This appears to be an attempt to install the same architecture andversion of a package which is already installed. This installationwill attempt to overwrite this ...

just installed the iPlanet MQ Demo (2.0, Build 248-b). Since I have Javaalready installed, I don't want to user 13MB for a second JRE.Unfortunately, it's not smoothly possible to set my own JRE. (jmqsrvadmininstall -jrehome ... helps a little, but also screws up JMQ_HOME)Is there a patch ...

What happens if I don't set a client id for durable subscribers?

How do I close a durable subscriber?

Is there any way to dispose of inactive subscribers?

We are evaluating a multiple broker configuration.Everything works when the broker to broker connection is connected.When we break it and reconnect it, sometimes messages are delivered, sometimes they are not.In our test program we are passing JMQReconnect = true and JMQReconnectDelay = 10to ...

I'm trying to install iMQ 2.0sp1 and stuck'd on no patch 111858-01installed.From the install guide it give me strong idea thatthe installer will do: 1. if this patch is there or not 2. if not, install it 3. continue install iMQ But from the image (retrived from .tar), it is not this structure ...

We have a customer who is interested to know how to use iMQ with JAXMI noticed on http://developer.iplanet.com/tech/imq/imq.3.beta.jspthat there are plans to do this in 3.0.Can you elaborate on this ...when and what kind of support ?

javax.jms.JMSException: [C4003]: Error occurred on connection creation.- caught javax.jms.JMSException^Matcom.sun.messaging.jmq.jmsclient.ExceptionHandler.getJMSException(ExceptionHandl er.java:183)^Matcom.sun.messaging.jmq.jmsclient.ExceptionHandler.handleException(ExceptionHandl ...

My client is using iMQ 2.0 SP1 with a standalong java client and has set up a durable subscription within the java code. The durable subscription is listed using the iMQ admin tool. However, on iAS 6.5 client has deployed a message-driven bean that is using durable subsription. This time the ...

What is the recommended way for persisting JMS messages?. As per the IMQ admin documentation , using the default built-in persistence type which is through unix flat files is much efficient and faster, compared to the database persistence . Tried setting up the jdbc stuff for database ...

In my scheduler server, a JMSException is raised if I create more than onethreads in a row, Please see the sample code and console output below. I found this in iMQ2.0 documentation and want to make sure that it is indeedrelevant to my problem. "If another instance of the client application is ...

I am looking for an example to see how to use LDAP with iMQ 2.0.I was able to set up the config settings to access a local LDAP, but iMQ authentication still rejects valid logins.Let me know if I can find more info someplace.

I'v got a question: the customer report they can't connect to JMS via HTTP tunnel, I took a test and got the same result. The following is the scenario:Servlet has been setup and seems ok from the browser access, the folllowing is the result from browser:HTTP tunneling servlet ready. ...

Here is an interesting appserver behavior I have observed on 6.5. 1. bring down appserver2. send 5 messages to the queue. 3. start appserver. MDB gets created and initialized to process messagesfrom the queue. Since my MDB needs to access other EJBs it will getNameNotFoundException. This ...

Does anybody know whether S1MQ can talk to IBM CICS? Our customer seeks for a cheaper messaging solution between iAS 6.0 and an IBM mainframe.They use JMS over MQSeries between the application server and the mainframe. On the mainframe side there is an MQSeries-CICS bridge, so that they can ...

I have a problem with IPlanetMessageQueue3.0 . Why i can't find jndi.properties for TopicConnectionFactory lookup ? Like this Context ctx = new InitialContext();TopicConnectionFactory tcf = (TopicConnectionFactory)ctx.lookup("TopicConnectionFactory"); What is value of ...

I have installed the imq 2.0 on solaris 8 on a single host. jmq brokeris installed by following the admin guide. When I tried to use jmqcmdshutdown bkr. It is shutdown without any problem.Then I usejmqcmd restart bkrto restart the jmqcmdIt comes up with thefollowing error:Error while connecting ...

Is there anyway to do autorestart/manual restart of the broker whenthere is failure of the broker (say, the broker process is down) in caseof one broker installation?If JDBC connection (plugged-inpersistence) is used, do I need to run jmqdbmgr to maintain thepersistence before I restart the ...

How do I use the commands to start and restart the jmqbroker normally?Because I have tried to use "jmqcmd shutdown bkr" and then tried to type"jmqbroker" to start up. My screen hangs up and seems that the processhangs up. The message is[28/Jun/2002:18:29:07 GMT+08:00] [B1060]: Loading ...

I am using iMQ 3.0. Point-to-point messaging.I have sent some messages to the queue. How should Ifind out the number of messages on queue ?

My existingarchitecture is like this .1.We have only one Connection .2. we are creating session per Sub/Pub and when we close sub/pub we r closing Sessions . so we have 300/400 pub/subwe have lot of threads , application crashed.How can I reduce threads. There is chicken/egg policy, I need less ...

This message is an inquiry on how to implement IBM MQ Series to iPlanet, in BINDINGS mode vs CLIENT mode. We have had few problems using client mode, but cannot seem to get BINDINGS mode to work in JMS in iAS 6.2. Defining the setting in the JMS configuration does not succeed. The issue ...

I see that Java Message Queue supports publish/subscribe way ofpropogating messages. Can this be done using ip-multi-casting?Is this part of JMS standard or an implementation issue? I wouldreally appreciate if someone could get back to me on this asap.

A friend who is consulting on app architecture for a bank askedme if iMQ can encrypt and/or sign messages with certificates.Apparently MQseries does not and it is a big work to add that on top.This is for curiosity - this is not a deal we can enter - but this friendis a middleware consultant on ...

Does S1MQ support round-robin delivery on queues?

In JMQ 1.1 we registered queue objects with iPlanet using a dedicatedwrapper script jmqjmsadm.sh.I can't find anything equivalent in iPlanet Message Queue 2.0. I've triedhacking the registry using kregedit with no success. I need a way of gettingJMQ 2.0 stuff into the IAS JNDI tree.We're ...

I have a durable topic subscriber (asynchronous) that invokes a statelesssession bean. The listener is loaded dynamically by a servlet. Everythingworks fine till the point when the bean is invoked. At that point iPlanetapp server (kjs.exe) crashes.I couldnt find anything on this in the iPlanet ...

I am working in IMQ2.0.I think the queuebrowser is notworking.Please look into it.Though i am usingqueuebrowser with a selector,i also tried withoutselector.Please send me the solution as soon aspossible.I am attaching standalone IMQ applications ofsender and receiver.Though without the ...

How do I make client program exit after receiving all the messages from the response queue?I have client and server program. Server program is like a deamon acceptsJMS requests and sends messages back to client. Client program rightnow isrun in DOS console. Let's say server daemon is ...

I have implemented P2P model using iMQ2.0. I have a client & server program sending and receiving requests. I am creating seperate session's to handle requests received and sent. Problem is when I open up two or more DOS consoles(client is program on the same machine) and fire-up up the ...

I was wondering if somebody could tell me, or point me to a location where Icould find out:1) How many individual processes are required for JMQ? Assuming the clientcode requires 1 process, how many for all server code. Please include thingssuch as LDAP/JNDI servers required to get JMQ to work. ...

Anybody knows which directory does " http://localhost:7676" map to ?I am trying to run the ..../example/jms/XmlMessageExample, but am not able toprovide a path of sample.dtd.When I go to http://localhost;7676, I get:101 jmqbroker 2.0 cluster tcp CLUSTER 42539 admin tcp ADMIN 42538 portmapper ...

I wonder how do you make the client and jmqbroker run on seperate machine ?I can't find any property files to set it.

One of the nice features of how JMS works is that you don't have to putthe JMS provider's classes in your classpath, you can dynamically extendthe classpath at runtime. However, I ran into a problem doing this withiPlanet Message Queue 2.0 and some sample programs I have.My 4 programs are ...

Can the broker-to-broker cluster connections be configured to use an HTTP proxy like a client?I have a question about broker clustering configurations.Page 59 of the Admin guide mentions using a cluster to deal withfirewall restrictions. Can the broker-to-broker cluster connectionsbe configured ...