JMeter JMS订阅者如何从主题读取BytesMessage

Question

In my Jmeter scenario have to receive a BytesMessage from a JMS tpoic in ActiveMQ and alter it a bit and push back to another topic ans a BytesMessage.

I was using JMS subscriber and Publisher for this.

Using JMS Subscriber I was able to receve the message from the topic, but could not find a way to read it so that I can work on it to alter.

My sampler looks like follows.

When I run this I can receive the message from the topic.

This says that there is a ByteMessage of 212 bytes, how can I capture this message , and use it to build my next request ?

Answer 1

If you want to capture full response of the sampler into a JMeter Variable go for the next steps:

1. Add Regular Expression Extractor as a child of your request

2. Configure it as follows:

   • Reference Name: anything meaningful, ie response
   • Regular expression: (?s)(^.*)

   • Template: $1$

     Explanation:

     () = grouping

     (?s) = single line modifier

     ^ = line start

     . = wild-card character

     * = repetition

3. That's it, now you will have the whole response saved into a JMeter Variable , you will be able to refer it as ${response} or ${__V(response)} where required

More information:

• JMeter: Regular Expressions
• How to Extract Data From Files With JMeter
• Perl 5 Regex Cheat sheet