Java code to check mq queue depth

JMS is a standard that defines how you can access enterprise messaging systems from Java programs. Say you want to send data from your application to a single queue. Adjust accordingly if you are using your own objects, or go to Ready, Set, Connect to get started.

If not, you need to set up authorisation on the queue manager to accept connection from the application through a named channel and the application has to be authorised to put and get messages to and from the queue.

If you already have a JMS application but want some help with performance or debugging, try this tutorial. On Linux, depending on which package you downloaded you need to run it to install. For example, if you downloaded ibm-java-sdk Lets get the sample from GitHub, save it on your local machine and look through some of the key JMS constructs and where you can add the host, port, channel and queue details so your sample can connect to the queue manager.

Replace the host, port and app password variables to match your queue manager configuration. Create the connection factory programatically by using WMQConstants parameters. Your application can use these extensions to create connection factories and destinations dynamically, at runtime, and set MQ specific object properties.

You need to include declarations for the ibm. The following MQ Constants properties are used by the connection factory to create a connection when the application is run:. In production, you would use a JNDI store to look this information up. An additional property for the connection factory object is connection mode.

Applications can connect to the queue manager in client or bindings modes. Use the connection factory to create the context and use the context to create the destination. Use the context to create the producer. The producer sends the message using the destination to put the message to the right queue:. Use the context to create the consumer.

The consumer uses the destination to receive the message from the right queue. To compile the sample, go to your MQClient directory. Use javac to compile your application. If you want to make sure your JMS application is going to perform reliably and well, have a look at this tutorial. This tutorial is based on JMS 2. Earlier versions can still be used to support backward compatibility. Check out the JMS 2.

How can get the queue depth?

JMS takes messaging objects that are common to different messaging providers and defines them in a way that can be reused regardless of the JMS messaging provider. It also provides facilities for encapsulating concepts that are specific to each provider, in a way that can minimise how much a developer needs to know about how each messaging provider works. Figure 1. JMS Administered objects are connection factory and destination.

The objects or interfaces that JMS 2. Queue — administered object that encapsulates the identity of a message destination for point to point messaging. Topic — administered object that encapsulates the identity of a message destination for publish subscribe messaging. Destination — the common supertype of Queue and Topic objects. Connection factory — administered object used by a client to create a connection. Figure 2. In production environments, your JMS administered objects would access information about the objects on the provider MQ server side, from a JNDI store that is separate from the client and the messaging server.

Your application would not use each MQ parameter directly as this means it would be tightly coupled to the queue manager, channel and the queue. Each time something changed with any of those, you would have to make changes to your application too.Monitoring a queue on WMQ.

java code to check mq queue depth

This is a kind of very basic activity on an MQ infrastructure. And there are plenty of sample programs written in Java and other languages available free on internet to get a queue depth of a particular queue. The program here is of no much difference. Its a sample utility to monitor a queue for a particular time period on particular interval and capture the metrics in to an excel sheet for easy reference.

Read/Write to IBM MQ – Sample Java Code

These details will be written to an excel sheet for easy analysis. When setting up locally before package to JARplease help to place the following dependent JAR references for this program to run.

You are commenting using your WordPress. You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Skip to content. Home About. Introduction Monitoring a queue on WMQ. Like this: Like Loading Bookmark the permalink.

Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:. Email required Address never made public. Name required. Search for:. Social View vishnuraj. Blog at WordPress. Post was not sent - check your email addresses! Sorry, your blog cannot share posts by email.MQJE Queue manager security exit rejected connection with error code 23 What do we do when this happens?

I left "MQEnvironment. I am connecting to Solaris server where MQ server is running. The above errors would mean no messages available.

How to send messages to a RabbitMQ broker and queues with Java - Building a real-world messaging

All i am interested is to know the queue depth. Great work, works just fine. I love it. Now I'm able to build up my Shellscript around this java-class to do some jobs on current queue depth. How to set multiple Queue : request. This post is probably where I got the most useful information for my research. Thanks for posting, maybe we can see more on this.

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Sometimes errors may possibly also happen because of some small mistakes.

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Tech Exchange. Info Center. Log in to check your private messages. Message SAFraser. We are fighting with developers. Uh, yeah. Using MQ as a storage facility? Sure thing. The app team has a special run coming up where they want us to store 1. We said, "That's a bad idea. What if the queue gets corrupted? We are using circular logs.

In production, we have a good size and number of logs. However, it is a busy queue manager and the logs can overwrite in a matter of hours in typical operation. In development, log numbers and sizes are much more limited. Also, I've never seen enqueue rates this high. We saw a CPU spike in development, but no other apparent impact to system resources.

The logs overwrote themselves within the same minute, though. Two questions: 1. We've seen posts about rates much higher than this, but we've never had such rates at our site before. What should we watch for? What are the specific dangers of a 1. I think they will propose we resize our logs to compensate for their very bad design. Your thoughts will be appreciated. Poobah Joined: 15 May Posts: Unless they put all of the messages in one monster UOW, if you are using circular logs, then you can put billions of messages thru a queue and let the queue build up to millions and millions and you will be fine, as long as you have the disk space for the q file to get that big.

How do I find the Size of a Queue

Bad design? I understand her concern.

java code to check mq queue depth

It's new, it's different, people will be watching hovering and perchingshe a sysadmin and wants it all to work. Way to go, Shirley! I doubt the sum total of all the messages in a queue will approach anywhere near max-file-size for UNIX - whatever your flavor.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

Can anyone help in doing the code in java of getting the depth of the queues. I want to write a jsp to read the queue names and their depth while running the report. How do I do that? If I had to do that I'll expose it in a Mbean. For monitoring and checking the status of resources, such as queue depths, there are a couple of options. You can access these Mbeans through wsadmin or programmatically. Secondly, you can use the traditional WMQ administration utilities, such as runmqsc or MQExplorer, to look at queues and other resources.

If you do use these utilities, it is essential that you do not make any configuration changes to the Application Server queue manager and queues. These resources are under the control of Application Server. Making changes to these resources using the MQ utilities results in a non-functioning configuration. How are we doing? Please help us improve Stack Overflow. Take our short survey. Learn more. Check MQ queue depth Ask Question. Asked 8 years, 3 months ago.

Active 4 years, 7 months ago. Viewed 23k times. Active Oldest Votes. I re-implemented this as follows: import com. Synesso Synesso The specific jars to put in the path is unsupported and version-specific. Prior to V8 IBM required a full client install if you wanted support for your client. As of v8. Rob Feb 24 '15 at This helped, I just needed to change transport mode to binding.

Making changes to these resources using the MQ utilities results in a non-functioning configuration Dont know if you are on a WAS server and if this is still the same MBeans, but you should find equivalents Mbeans on your AS. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.Originally posted by vaka suresh: Hi, Is there any way by which we can find Number of messages available in the Queue at a given point of time Programatically.

Queue Depth - JMS. Hi, Is there any way by which we can find Number of messages available in the Queue at a given point of time Programatically. Steve Wink. This is a notable omission from the JMS spec. You can get the depth by browsing every message in the queue, but obviously this is pretty wasteful.

Some of the underlying queueing systems e. Trimoorthy Kotte. Apologies, I missed out the text last time I was posting the reply. You might have similar APIs available in other app servers. Babu Rengarajan. I tried way of getting queue depth, it works locally where no user name and password is given on was server.

When i applied this program for production was server where user name and password has been given.

java code to check mq queue depth

It is given authentication problem. Joe Hepp. Here is how we do the browsing method to get a count via JMS. It is wasteful but this is used in a batch retry situation so we aren't concerned with performance.

Right after reading this tiny ad:. Boost this thread! Upload Rights. How to redirect request to a new queue based on url-pattern.Monitoring a queue on WMQ. This is a kind of very basic activity on an MQ infrastructure.

And there are plenty of sample programs written in Java and other languages available free on internet to get a queue depth of a particular queue. The program here is of no much difference. Its a sample utility to monitor a queue for a particular time period on particular interval and capture the metrics in to an excel sheet for easy reference. These details will be written to an excel sheet for easy analysis.

When setting up locally before package to JARplease help to place the following dependent JAR references for this program to run. You are commenting using your WordPress.

You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Skip to content. Home About. Introduction Monitoring a queue on WMQ. Like this: Like Loading Bookmark the permalink.

java code to check mq queue depth

Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:. Email required Address never made public. Name required. Search for:. Social View vishnuraj. Create a free website or blog at WordPress. Post was not sent - check your email addresses! Sorry, your blog cannot share posts by email.


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