How does JMeter handle session ID?

Table of Contents

The session id is known before I start the test job. How do I specify a specific JSessionId for my JMeter test?…In JSON path extractor add:

Variable name – session (variable in which session id will be stored)
JSON Expression – $. sessionId (this will vary according to the JSON response)
Default Value – NOT_FOUND.

What is regular expression in JMeter?

Regular expressions are used to search and manipulate text, based on patterns. JMeter interprets forms of regular expressions or patterns being used throughout a JMeter test plan, by including the pattern matching software Apache Jakarta ORO.

What is JSR223 PostProcessor in JMeter?

JMeter. In JMeter, JSR223 PostProcessor is a scripting-based post-processor. JSR stands for Java Specification Requests.

How do you parameterize in JMeter?

2. JMeter Parameterization Using Databases

Name – the name of the connection configuration that will be shown in the thread group tree.
Variable Name – the name that will be used as a unique identifier for the db connection (multiple connections can be used and each one will be tied to a different name).

What is session in JMeter?

The cookie of any request that contains one is automatically extracted and stored by the component to be used for all future requests from that particular thread. Each JMeter thread gets its own session just like in a regular web browser to prevent users’ sessions from overlapping with each other.

How do you manage sessions and cookies in JMeter?

Create a Basic Script With the JMeter Cookie Manager

Add a Thread Group to the Test Plan. Test plan -> Add -> Thread (Users) -> Thread Group.
Add the HTTP Cookie Manager element.
Add an HTTP Request that opens the login page.
Add another HTTP Request that opens the reset password page.
You are just about done!

What is BSF sampler in JMeter?

Beanshell Sampler – A standalone sampler. Beanshell PreProcessor – A pre-processor to another sampler that is executed before the sampler and can be used for prerequisite setup (i.e. to generate some input).

What is PreProcessor and PostProcessor in JMeter?

PreProcessor and PostProcessor in JMeter Pre-processor : Pre-processor executes some action before making a Sampler Request. Post-processor: Post-processor executes some action after making a Sampler Request.

How does JMeter pass dynamic parameters?

Steps for dynamic value identification:

Click the ‘Run’ button.
The script may fail at a particular sampler where correlation is required.
Refer to the script and click on the same sampler which is failed during replay.
You will get some parameters and their values which are passing in the request.

How do you parameterize a user defined variable in JMeter?

You can follow steps to add User Defined Variable:

Select ‘Test Plan’ or ‘Thread Group’ or ‘Sampler’ node.
Right-click on the respective node.
Hover the mouse on ‘Add’
Hover the mouse on ‘Config Element’
Click on ‘User Defined Variables’

What is the use of regular expression in JMeter?

In JMeter, Regular Expression plays an important role. Regular Expression is used to identify dynamic values come in a response. In Microfocus Performance Center/LoadRunner, dynamic values are captured by Correlation . Regular Expression is a pattern which is used to specify a set of strings required for getting dynamic value.

How do I use HTTP request sampler in JMeter?

Start JMeter, add a Thread group Test Plan → Add→ Threads (Users)→ Thread Group. Protocol − We will keep this blank, which means we want HTTP as the protocol. Next, add a Regular Expression Extractor. Select the HTTP Request Sampler (Manage), right click Add → Post Processor → Regular Expression Extractor.

What is regular expression in microfocus Performance Center/LoadRunner?

How do I run a Thread Group in JMeter?