Processor in JMeter: Pre Processor & Post Processor - Shikshaglobe

Content Creator: Satish kumar

Processor in JMeter: Pre Processor & Post Processor

A processor is utilized to change the Samplers in their degree. There are 2 Types of processors:Pre-processorPost-processorPre-processor:Pre-processor executes some activity prior to making Sampler Request. Think about a basic model: suppose you needed JMeter to "insect" through the site under test, parse link(check all connections on the page) and return the HTML. You would add some activity, for example, "HTML interface parser" to your regulator prior to making a HTTP demand. Post-processor: Post-processor executes some activity in the wake of making a Sampler Request.

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Think about a straightforward model: JMeter sends a HTTP solicitation to the web server under test (and so forth and get the reaction. You maintain that JMeter should stop the test if the server reaction is a blunder. You can utilize the post-processor to do above task as follows: Post Processor Example This instructional exercise will show you bit by bit guidelines on the most proficient method to involve Post-processor in JMeter. Let start with the basic test script. JMeter sends a HTTP solicitation to the web server under test gets a reaction from the Google server. Assuming server reaction is a blunder, JMeter will stop the test. In the event that server reaction OK (no mistake), JMeter will proceed with the test. Here is the guide of this model:

At the point when you enter "abc" to the way, JMeter will make a URL solicitation to Google server: There is no such thing as this Url on Google server. It is off-base URL demand so Google server will return a mistake. Run Test Select View Result Tree, press Run button on Menu bar. You will see the blunder reaction from Google server and the test will stop with out finishing 100 strings. Check whether you are interfacing with the web through an intermediary. On the off chance that indeed, eliminate the intermediary. Open another occurrence of Jmeter Open the Processor Test Plan. jmx in Jmeter Double tap on Thread Group - > View Results Tree Run the Test


Before we dive into the importance of processors, let's first understand the two main types: pre-processors and post-processors.


Pre-processors in JMeter are responsible for modifying or preparing data before it is sent to the server. They are essential for tasks like parameterization, session handling, and data extraction. Pre-processors help ensure that the test scenarios are realistic and representative of real-world usage.


On the other hand, post-processors come into play after the server's response is received. They are used for tasks such as extracting data from responses, assertion checks, and result formatting. Post-processors enable testers to gather valuable insights from the server's responses and validate the correctness of the application under test.


Now that we've covered the types, let's explore the benefits of incorporating processors in JMeter into your professional toolkit.

Enhanced Test Realism

By using pre-processors, you can simulate real-world scenarios more effectively. This leads to more accurate test results, helping you identify and resolve performance bottlenecks and issues early in the development cycle.

Improved Data Analysis

Post-processors allow you to extract and analyze data from server responses with ease. This data can be invaluable for performance tuning, identifying patterns, and ensuring your application meets its performance goals.

Time and Cost Savings

Efficiently utilizing processors in JMeter can significantly reduce testing time and costs. The ability to automate tasks like data extraction and validation streamlines the testing process, making it more efficient.


In the dynamic field of software testing and quality assurance, staying competitive is crucial. Here's how mastering processors in JMeter can enhance your professional development.

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Skill Diversification

Adding proficiency in JMeter processors to your skillset makes you a more versatile and in-demand professional. It opens up new career opportunities and widens your scope within the industry.

Career Advancement

Professionals who excel in performance testing, aided by processors, often find themselves on a fast track to career advancement. Their ability to ensure the optimal performance of applications is highly valued by employers.

Choosing the Right Education Course for Your Goals

If you're considering a career in performance testing or seeking to improve your existing skills, choosing the right education course is essential. Here are some factors to consider:

Course Content

Look for courses that cover JMeter processors comprehensively, providing both theoretical knowledge and hands-on practice.

Instructor Expertise

Ensure the course is taught by experienced professionals who can offer valuable insights and real-world scenarios.


Opt for courses that offer certifications, as they can enhance your credibility in the job market.


When pursuing education courses related to processors in JMeter, you'll face the choice between online and traditional classroom settings. Each option has its advantages and disadvantages.

Online Courses


  • Flexibility in scheduling
  • Access to a wide range of resources
  • Cost-effective


  • Limited in-person interaction
  • Self-discipline required

Traditional Classroom Courses


  • Face-to-face interaction with instructors and peers
  • Structured learning environment


  • Fixed schedules
  • Higher costs


As technology continues to advance, processors in JMeter are expected to evolve as well. Some emerging trends and innovations in this field include:

AI-Driven Performance Testing

Artificial intelligence and machine learning are being integrated into JMeter to automate test case generation, analyze results, and predict performance issues.

Cloud-Based Testing

Leveraging the cloud for performance testing allows for greater scalability and flexibility, making it easier to simulate real-world scenarios.

DevOps Integration

Processors in JMeter are becoming more tightly integrated with DevOps practices, enabling continuous testing and performance monitoring throughout the development lifecycle.

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For students pursuing careers in software testing, gaining proficiency in processors is a significant advantage. Here's how it can impact their success:

Competitive Edge

Students who graduate with knowledge of JMeter processors are better equipped to stand out in a competitive job market.

Practical Skills

Hands-on experience with processors during education courses prepares students for real-world testing challenges.

Addressing the Challenges of PROCESSOR IN JMETER: PRE PROCESSOR & POST PROCESSOR and Finding Solutions

While processors in JMeter offer numerous benefits, they also come with their own set of challenges. Some common issues include:

Learning Curve

Mastering JMeter processors can be challenging, but with the right training and practice, it becomes more manageable.

Performance Bottlenecks

Identifying and addressing performance bottlenecks can be time-consuming, but it's essential for optimizing applications.

Understanding the Pedagogy and Methodology of PROCESSOR IN JMETER: PRE PROCESSOR & POST PROCESSOR

Effective education in JMeter processors requires a solid pedagogical approach. Instructors should focus on:

Hands-On Learning

Practical exercises and real-world examples help students grasp the concepts better.

Case Studies

Analyzing real case studies provides insights into how processors are applied in different scenarios.


Processors in JMeter are not limited to a specific region or industry. They have global applicability and are used across various sectors, including finance, healthcare, e-commerce, and more.

PROCESSOR IN JMETER: PRE PROCESSOR & POST PROCESSOR for Lifelong Learning and Personal Growth

The knowledge of JMeter processors extends beyond professional development. It can also contribute to personal growth by enhancing problem-solving skills, analytical thinking, and technical expertise.

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Financial constraints should not hinder your pursuit of education in JMeter processors. Many institutions and organizations offer scholarships and funding opportunities to support aspiring testers.

Case Studies: Success Stories from Education Course Graduates

To inspire and motivate you on your journey to mastering processors in JMeter, here are some success stories from individuals who completed relevant education courses and excelled in their careers.

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